Long String Dynamics in Pure Gravity on AdS${}_3$

Abstract

We study the classical dynamics of a completion of pure AdS gravity in 3D, whose only degrees of freedom are boundary gravitons and long strings. We argue that the best regime for describing pure gravity is that of "heavy" strings, for which back-reaction effects on the metric must be taken into account. We show that once back-reaction is properly accounted for, regular finite-energy states are produced by heavy strings even in the infinite-tension limit. Such a process is similar to, but different from, nucleation of space out of a "bubble of nothing."

Submitted to a special issue of JETP in honor of Valery Rubakov's 60th birthday. 12 pages

References in corpus (12)

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• The D1/D5 System And Singular CFT
• Quantum Gravity Partition Functions in Three Dimensions
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• Three-Dimensional Gravity Revisited
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Cited by in corpus (6)

• Liouville Quantum Gravity
• More on Long String Dynamics in Gravity on AdS3: Spinning Strings and Rotating BTZ
• Gravitating spinning strings in AdS${}_3$
• Strings from 3D gravity: asymptotic dynamics of AdS${}_3$ gravity with free boundary conditions
• The sky is the limit: free boundary conditions in AdS${}_3$ Chern-Simons theory
• On a Canonical Quantization of 3D Anti de Sitter Pure Gravity