String-theory-based predictions for nonhydrodynamic collective modes in strongly interacting Fermi gases
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PhysRevA.94.033621.pdf
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Author(s)
Bantilan, H.
Ishii, T.
Lewis, W. E.
Romatschke, P.
Brewer, Jasmine Therese
Date Issued
September 2016
Journal
Physical Review A
Publisher
American Physical Society
Citation
Bantilan, H. et al. “String-Theory-Based Predictions for Nonhydrodynamic Collective Modes in Strongly Interacting Fermi Gases.” Physical Review A 94, 3 (September 2016) © 2016 American Physical Society
Version
Final published version
Abstract
Very different strongly interacting quantum systems such as Fermi gases, quark-gluon plasmas formed in high-energy ion collisions, and black holes studied theoretically in string theory are known to exhibit quantitatively similar damping of hydrodynamic modes. It is not known if such similarities extend beyond the hydrodynamic limit. Do nonhydrodynamic collective modes in Fermi gases with strong interactions also match those from string theory calculations? In order to answer this question, we use calculations based on string theory to make predictions for modes outside the hydrodynamic regime in trapped Fermi gases. These predictions are amenable to direct testing with current state-of-the-art cold atom experiments.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
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DOI of Published Version
https://doi.org/10.1103/PhysRevA.94.033621
