Momentum fractionation on superstrata
Journal Article
·
· Journal of High Energy Physics (Online)
- Univ. Paris Saclay, CEA, CNRS, Gif sur Yvette (France); Enrico Fermi Institute and Department of Physics, University of Chicago, 5640 S. Ellis Ave., Chicago, IL
- Univ. of Chicago, Chicago, IL (United States)
- Univ. Paris Saclay, CEA, CNRS, Gif sur Yvette (France)
- Univ. of Southern California, Los Angeles, CA (United States)
Superstrata are bound states in string theory that carry D1, D5, and momentum charges, and whose supergravity descriptions are parameterized by arbitrary functions of (at least) two variables. In the D1-D5 CFT, typical three-charge states reside in highdegree twisted sectors, and their momentum charge is carried by modes that individually have fractional momentum. Understanding this momentum fractionation holographically is crucial for understanding typical black-hole microstates in this system. We use solution-generating techniques to add momentum to a multi-wound supertube and thereby construct the first examples of asymptotically-flat superstrata. The resulting supergravity solutions are horizonless and smooth up to well-understood orbifold singularities. Upon taking the AdS3 decoupling limit, our solutions are dual to CFT states with momentum fractionation. We give a precise proposal for these dual CFT states. Lastly, our construction establishes the very nontrivial fact that large classes of CFT states with momentum fractionation can be realized in the bulk as smooth horizonless supergravity solutions.
- Research Organization:
- Univ. of Chicago, Chicago, IL (United States); Univ. of Southern California, Los Angeles, CA (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- SC0009924; SC0011687
- OSTI ID:
- 1326975
- Alternate ID(s):
- OSTI ID: 22609890
- Journal Information:
- Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 5 Vol. 2016; ISSN 1029-8479
- Publisher:
- Springer BerlinCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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