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Title: Early scrambling and capped BTZ geometries

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2]; ORCiD logo [3];  [3]
  1. Univ. Paris-Saclay, Gif-sur-Yvette (France)
  2. Univ. of Chicago, IL (United States)
  3. Univ. of Southern California, Los Angeles, CA (United States)

Geodesic probes in certain horizonless microstate geometries experience extreme tidal forces long before reaching the region where these geometries differ significantl from the extremal BTZ black hole. The purpose of this paper is to show that this behavior is a universal feature of all geometries that have a long BTZ throat that terminates in a cap, regardless of the details of this cap. Hence, incoming probes will scramble into the microstate structure before they encounter the region where the charges of the solution are sourced, and the reason for this premature scrambling is the amplification of tiny geometrical deviations by the relativistic speeds of the probes. To illustrate the phenomenon, we construct a new family of smooth horizonless superstratum microstate geometries, dual to D1-D5 CFT states whose momentum charge is carried by excitations on CFT strands of length k. We also show that, in the large-k limit, these new superstrata resemble a blackened supertube solution everywhere except in the near-supertube region. Thus they resolve the singularity caused by the naive back-reaction of modes with non-linear instabilities near evanescent ergosurfaces.

Research Organization:
Univ. of Chicago, IL (United States); Univ. of Southern California, Los Angeles, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); John Templeton Foundation; Agence National de la Recherche (ANR)
Grant/Contract Number:
SC0009924; SC0011687; ANR-16-CE31-0004-01; 61169
OSTI ID:
1611254
Journal Information:
Journal of High Energy Physics (Online), Vol. 2019, Issue 4; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Cited By (6)

Thermal decay without information loss in horizonless microstate geometries journal January 2019
AdS3 four-point functions from 1 8 $$ \frac{1}{8} $$ -BPS states journal June 2019
AdS$_3$ Holography at Dimension Two text January 2019
Thermal Decay without Information Loss in Horizonless Microstate Geometries text January 2019
Quasinormal modes of supersymmetric microstate geometries from the D1-D5 CFT text January 2019
Distinguishing fuzzballs from black holes through their multipolar structure text January 2020

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