Sixfold Way of Traversable Wormholes in the Sachdev-Ye-Kitaev Model

Abstract

In the infrared limit, a nearly anti-de Sitter spacetime in two dimensions (AdS${}_2$) perturbed by a weak double trace deformation and a two-site $(q>2)$-body Sachdev-Ye-Kitaev (SYK) model with $N$ Majoranas and a weak $2r$-body intersite coupling share the same near-conformal dynamics described by a traversable wormhole. We exploit this relation to propose a symmetry classification of traversable wormholes depending on $N$, $q$, and $r$, with $q>2r$, and confirm it by a level statistics analysis using exact diagonalization techniques. Intriguingly, a time-reversed state never results in a new state, so only six universality classes occur: A, AI, BDI, CI, C, and D.

arXiv comment7 pages, 3 figures + Supplemental Material. v2: as published

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Cited by in corpus (2)

• Toward a classification of PT-symmetric quantum systems: From dissipative dynamics to topology and wormholes
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