Bulletin of the American Physical Society
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 67, Number 7
Monday–Friday, May 30–June 3 2022; Orlando, Florida
Session K06: Out-of-Equilibrium Trapped Gases
10:30 AM–12:30 PM,
Wednesday, June 1, 2022
Room: Salon 1/2
Chair: David Weld, UCSB
Abstract: K06.00010 : Nonequilibrium metastability of the attractive one-dimensional Bose gas
12:18 PM–12:30 PM
Presenter:
Alvise Bastianello
(Technical University of Munich)
Authors:
Alvise Bastianello
(Technical University of Munich)
Rebekka Koch
(University of Amsterdam)
Jean-Sèbastien Caux
(University of Amsterdam)
In this talk, I discuss how, by slowly changing the interactions from positive to negative, it is possible to engineer a stable nonequilibrium phase. I build on new developments in the hydrodynamic theory of integrable models and provide an exact analytical solution of the protocol directly at the many-body level, showing the controlled formation of bound states and creating a far-richer scenario than the well-known Super Tonks-Girardeau phase. Experimental signatures in realistic settings of this new nonequilibrium phase are discussed.
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