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Part I Modification of General Relativity: General Scalar-Tensor Theories |
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1 Gravity and Scalar Fields |
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3 | (22) |
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3 | (2) |
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1.2 General Relativity and Beyond |
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5 | (5) |
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1.2.1 General Relativity: Basic Assumptions and Uniqueness |
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5 | (2) |
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1.2.2 Less Assumptions Means More Degrees of Freedom! |
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7 | (2) |
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1.2.3 Taming the Extra Degrees of Freedom |
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9 | (1) |
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1.3 Scalar-Tensor Gravity |
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10 | (7) |
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1.3.1 The Prototype: Brans--Dicke Theory |
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10 | (2) |
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1.3.2 Scalar-Tensor Theories |
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12 | (1) |
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1.3.3 Hiding the Scalar Field, Part I |
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13 | (3) |
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1.3.4 The Horndeski Action |
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16 | (1) |
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1.3.5 Hiding the Scalar Field, Part II |
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17 | (1) |
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1.4 Scalar-Tensor Gravity in Disguise |
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17 | (3) |
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18 | (1) |
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19 | (1) |
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1.5 Scalar Fields Around Black Holes |
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20 | (5) |
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22 | (1) |
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23 | (2) |
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2 From Lovelock to Horndeski's Generalized Scalar Tensor Theory |
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25 | (32) |
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25 | (4) |
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2.2 The Lovelock and Horndeski Uniqueness Theorems |
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29 | (6) |
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29 | (3) |
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32 | (3) |
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2.3 Seeking Exact Solutions in Lovelock Theory |
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35 | (6) |
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2.4 From Lovelock to Horndeski Theory: Kaluza-Klein Reduction |
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41 | (5) |
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2.5 Self-tuning and the Fab 4 |
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46 | (11) |
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53 | (1) |
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54 | (3) |
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3 Modified Gravity and Coupled Quintessence |
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57 | (40) |
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57 | (2) |
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59 | (2) |
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61 | (2) |
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3.4 Brans-Dicke Cosmology |
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63 | (2) |
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65 | (4) |
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69 | (4) |
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3.7 Modified Gravity with ƒ(R) |
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73 | (6) |
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3.8 ƒ(R)-Gravity with Varying Particle Masses |
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79 | (5) |
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84 | (2) |
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3.10 Higher Derivative Modified Gravity with Second Order Field Equations |
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86 | (11) |
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89 | (2) |
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91 | (6) |
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4 The Effective Field Theory of Inflation/Dark Energy and the Horndeski Theory |
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97 | (42) |
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97 | (3) |
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4.2 The General Gravitational Action in Unitary Gauge and the Background Equations of Motion |
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100 | (5) |
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4.3 Second-Order Action for Cosmological Perturbations |
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105 | (4) |
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4.4 Inflationary Power Spectra |
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109 | (4) |
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113 | (8) |
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4.5.1 The Lagrangian of Horndeski Theory |
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113 | (3) |
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4.5.2 Horndeski Lagrangian in Terms of ADM Variables |
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116 | (2) |
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4.5.3 Conditions for the Avoidance of Ghosts and Laplacian Instabilities |
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118 | (2) |
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4.5.4 Primordial Power Spectra in k-Inflation |
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120 | (1) |
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4.6 Horndeski Theory in the Language of EFT |
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121 | (3) |
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4.7 Application to Dark Energy |
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124 | (15) |
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4.7.1 Background Equations of Motion |
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125 | (1) |
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4.7.2 Matter Density Perturbations and Effective Gravitational Couplings |
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126 | (4) |
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4.7.3 Growth of Matter Perturbations |
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130 | (2) |
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132 | (1) |
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133 | (6) |
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5 Introduction to Massive Gravity |
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139 | (22) |
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5.1 Gravitational Waves and Degrees of Freedom |
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139 | (3) |
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139 | (2) |
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5.1.2 Implications of the BD Ghost |
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141 | (1) |
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5.2 Consistent Modifications of Gravity From Extra Dimensions |
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142 | (4) |
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142 | (2) |
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144 | (2) |
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5.3 Deconstruction and Massive Gravity |
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146 | (5) |
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146 | (1) |
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5.3.2 From 5d Gravity to 4d Multi-Gravity |
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147 | (1) |
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5.3.3 Generalized Mass Term |
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148 | (1) |
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5.3.4 Strong Coupling Scale |
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149 | (1) |
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150 | (1) |
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150 | (1) |
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5.4 Absence of Boulware--Deser Ghost |
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151 | (3) |
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151 | (1) |
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152 | (2) |
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154 | (4) |
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155 | (1) |
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156 | (2) |
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158 | (3) |
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158 | (3) |
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6 Hairy Black Holes in Theories with Massive Gravitons |
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161 | (20) |
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6.1 Black Holes and the No-Hair Conjecture |
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161 | (2) |
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6.2 Theories with Massive Gravitons |
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163 | (1) |
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164 | (3) |
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6.4 Proportional Backgrounds |
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167 | (1) |
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6.5 Solutions with Non-Bidiagonal Metrics |
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168 | (3) |
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6.5.1 Imposing the Consistency Condition |
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170 | (1) |
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6.6 Hairy Black Holes, Lumps, and Stars |
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171 | (4) |
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6.7 Black Hole Stability and New Hairy Black Holes |
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175 | (6) |
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177 | (1) |
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177 | (4) |
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7 Chern--Simons-Like Gravity Theories |
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181 | (22) |
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7.1 Introduction: CS-Like Gravity Theories |
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181 | (3) |
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184 | (5) |
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7.2.1 Poisson Brackets and the Primary Constraints |
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184 | (3) |
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7.2.2 Secondary Constraints |
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187 | (2) |
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189 | (14) |
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7.3.1 Einstein-Cartan Gravity |
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189 | (1) |
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7.3.2 General Massive Gravity |
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190 | (2) |
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7.3.3 Zwei-Dreibein Gravity |
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192 | (6) |
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7.3.4 General Zwei-Dreibein Gravity |
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198 | (2) |
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200 | (1) |
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201 | (2) |
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8 Cosmological Applications of Massive Gravity |
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203 | (24) |
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8.1 Introduction and Motivations |
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203 | (5) |
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8.1.1 DGP: The Quintessential IR Modification |
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204 | (2) |
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8.1.2 IR Modifications of Gravity |
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206 | (2) |
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8.2 Ghost-Free Massive Gravity |
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208 | (4) |
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208 | (2) |
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8.2.2 Decoupling Limit Cosmology |
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210 | (2) |
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8.3 Cosmology of Massive Gravity |
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212 | (9) |
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8.3.1 A No-Go and Ways Out |
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212 | (4) |
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216 | (5) |
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221 | (6) |
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221 | (6) |
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Part III Further Modifications at Large Distances |
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9 Higher-Spin Theory and Space-Time Metamorphoses |
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227 | (38) |
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227 | (1) |
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9.2 Lower-Spin Global Symmetries |
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228 | (1) |
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229 | (2) |
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230 | (1) |
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9.3.2 Einstein--Cartan Gravity and Supergravity |
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230 | (1) |
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9.3.3 Spontaneous Symmetry Breaking |
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231 | (1) |
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9.4 General Properties of HS Theory |
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231 | (3) |
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232 | (1) |
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9.4.2 No-Go and the Role of (A)dS |
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232 | (1) |
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9.4.3 HS Symmetries Versus Riemannian Geometry |
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233 | (1) |
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9.4.4 HS Gauge Theory, Quantum Gravity and String Theory |
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234 | (1) |
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9.4.5 HS AdS/CFT Correspondence |
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234 | (1) |
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9.5 Global HS Symmetry: Idea of Construction |
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234 | (3) |
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235 | (1) |
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9.5.2 Massless Scalar Field Unfolded |
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236 | (1) |
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237 | (1) |
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9.6 Conformal HS Algebra in D = 3 |
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237 | (3) |
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237 | (1) |
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9.6.2 Spinorial Form of 3d Massless Equations |
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238 | (1) |
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9.6.4 Weyl Algebra and Star Product |
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239 | (1) |
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240 | (3) |
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9.7.1 Spinor Language in Four Dimension |
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240 | (1) |
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241 | (2) |
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9.8 Free HS Fields in Four Dimension |
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243 | (2) |
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243 | (2) |
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9.9 Nonlinear Higher-Spin Theory |
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245 | (6) |
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9.9.1 Idea of Construction |
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245 | (2) |
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247 | (1) |
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9.9.3 The Full Nonlinear System |
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248 | (2) |
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9.9.4 Properties of HS Interactions |
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250 | (1) |
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251 | (2) |
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251 | (2) |
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253 | (1) |
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9.11 Space-Time Metamorphoses |
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253 | (6) |
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9.11.1 AdS4/CFT3 HS Holography |
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254 | (2) |
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9.11.2 sp(8) Invariant Setup |
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256 | (3) |
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9.12 HS Theory and Quantum Mechanics |
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259 | (1) |
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9.13 To String Theory via Multiparticle Symmetry |
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260 | (5) |
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260 | (2) |
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262 | (3) |
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10 Higher Spin Black Holes |
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265 | (24) |
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265 | (2) |
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10.2 Basic Aspects and Hamiltonian Formulation of Chern--Simons Theories in Three Dimensions |
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267 | (2) |
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10.3 General Relativity with Negative Cosmological Constant in Three Dimensions |
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269 | (4) |
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10.3.1 Brown--Henneaux Boundary Conditions |
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270 | (1) |
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10.3.2 BTZ Black Hole and Its Thermodynamics |
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271 | (2) |
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10.4 Higher Spin Gravity in 3D |
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273 | (8) |
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10.4.1 Asymptotic Conditions with W3 Symmetries |
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275 | (2) |
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10.4.2 Higher Spin Black Hole Proposal and Its Thermodynamics |
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277 | (4) |
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10.5 Solving the Puzzles: Asymptotic Conditions Revisited and Different Classes of Black Holes |
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281 | (8) |
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284 | (5) |
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11 Chern--Simons Forms and Gravitation Theory |
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289 | (22) |
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289 | (1) |
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11.2 Chern--Simons Forms in Physics |
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290 | (5) |
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11.2.1 Construction of CS Forms |
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291 | (2) |
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11.2.2 Gravitation and Diffeomorphism Invariance |
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293 | (2) |
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11.2.3 Lorentz Transformations |
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295 | (1) |
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295 | (4) |
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296 | (1) |
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11.3.2 The Lorentz Connection |
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297 | (1) |
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11.3.3 Lorentz Invariant Tensors |
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297 | (1) |
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298 | (1) |
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298 | (1) |
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11.3.6 Bianchi Identities |
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299 | (1) |
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299 | (9) |
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11.4.1 Lorentz-Invariant Lagrangians |
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300 | (1) |
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301 | (1) |
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302 | (1) |
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11.4.4 Chern--Simons Series |
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303 | (1) |
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11.4.5 Dynamical Content of Lovelock Theory |
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303 | (2) |
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11.4.6 Euler-CS Forms and the Extension of Lorentz Symmetry |
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305 | (3) |
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308 | (3) |
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309 | (2) |
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12 Holographic Chern--Simons Theories |
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311 | (20) |
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311 | (2) |
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12.2 Anti-de Sitter Holography |
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313 | (6) |
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12.2.1 Conformal Chern--Simons Gravity |
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314 | (4) |
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12.2.2 Higher Spin Theories |
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318 | (1) |
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12.3 Lobachevsky Holography |
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319 | (3) |
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12.4 Flat Space Holography |
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322 | (9) |
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12.4.1 Introduction to Three-Dimensional Quantum Gravity in AdS |
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322 | (2) |
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12.4.2 Flat Space Chiral Gravity |
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324 | (3) |
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327 | (4) |
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13 Gravitational Duality, Topologically Massive Gravity and Holographic Fluids |
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331 | (38) |
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331 | (2) |
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13.2 The Ancestor of Holography |
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333 | (6) |
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13.2.1 Curvature Decomposition and Self-Duality |
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333 | (3) |
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13.2.2 The Filling-In Problem |
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336 | (1) |
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13.2.3 A Concrete Example |
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337 | (2) |
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13.3 Weyl Self-Duality from the Boundary |
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339 | (6) |
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13.3.1 The Fefferman--Graham Expansion |
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340 | (2) |
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13.3.2 Self-Duality and Its Lorentzian Extension |
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342 | (3) |
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13.4 Application to Holographic Fluids |
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345 | (13) |
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13.4.1 Fluids at Equilibrium in Papapetrou--Randers Backgrounds |
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346 | (5) |
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13.4.2 Perfect-Cotton Geometries and Their Bulk Ascendants |
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351 | (7) |
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13.5 Monopolar Boundaries and Topologically Massive Gravity |
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358 | (1) |
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359 | (10) |
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Appendix 1 On Vector-Field Congruences |
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361 | (1) |
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Appendix 2 Papapetrou--Randers Backgrounds and Aligned Fluids |
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362 | (2) |
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364 | (5) |
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14 Beyond Supergravity in AdS-CFT: An Application to Jet Quenching |
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369 | (44) |
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14.1 A Brief Introduction and Overview |
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369 | (8) |
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14.2 Basic Framework and the Jets We Study |
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377 | (7) |
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378 | (1) |
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14.2.2 Review of λ=∞ Results |
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379 | (4) |
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14.2.3 Determining the Importance of Corrections |
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383 | (1) |
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14.2.4 The Choice of Source Operator |
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383 | (1) |
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384 | (6) |
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14.3.1 R4 Term in the Ten-Dimensional Supergravity Action |
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385 | (1) |
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14.3.2 The φ Equation of Motion |
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385 | (1) |
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14.3.3 The WKB Approximation and the Point-Particle Approximation |
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386 | (2) |
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14.3.4 The Relative Importance of the C4 Correction |
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388 | (2) |
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14.4 The D2n R4 Corrections |
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390 | (4) |
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14.4.1 Review: 4-Point String Amplitude |
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390 | (2) |
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392 | (1) |
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14.4.3 The Dominant Factors |
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393 | (1) |
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14.5 Higher Powers of Curvature |
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394 | (1) |
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14.6 Discussion of 1/λ Expansion and Reasons for Its Failure |
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395 | (3) |
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398 | (3) |
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14.8 Quantizing the Falling Closed String |
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401 | (8) |
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401 | (2) |
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14.8.2 Solution of the Time-Dependent Harmonic Oscillators |
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403 | (5) |
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14.8.3 The Size of the String at Late Times |
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408 | (1) |
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409 | (4) |
Appendix 1 What Happens for Z >> z*? |
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413 | (1) |
Appendix 2 Why (14.46) Cannot Precisely Determine Δlstop |
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414 | (1) |
Appendix 3 Other Higher-Derivative Terms |
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415 | (2) |
Appendix 4 Large ξ Behavior of C(ξ) |
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417 | (1) |
Appendix 5 A Back-of-the-Envelope Estimate |
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418 | (2) |
Appendix 6 Checking the Penrose Limit: Details |
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420 | (3) |
References |
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423 | (2) |
Index |
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425 | |