Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session S00: Poster Session III (4pm-6pm CDT)
4:00 PM,
Thursday, June 6, 2024
Room: Hall BC
Abstract: S00.00118 : Experimental exploration of the 1D anyon-Hubbard model in an optical lattice
Presenter:
Perrin C Segura
(Harvard University)
Authors:
Perrin C Segura
(Harvard University)
Yanfei Li
(Harvard University)
Joyce Kwan
(Harvard University)
Brice Bakkali-Hassani
(Harvard University)
Markus Greiner
(Harvard University)
By tuning AHM parameters in a finite 1D chain, we adiabatically ramp into the AHM ground state with a given statistical phase. We then use two probes to explore the ground state behavior. The first is the in situ density profile, where the fermionization of the particles manifests via the buildup of Friedel oscillations as the statistical phase increases from 0 to 𝜋. The second is the asymmetric expansion of particles in the lattice after quenching the confining potential, which occurs at anyonic phases due to the presence of chiral bound states. We further probe this chirality by colliding the expanding ground state with a potential barrier, showing that these bound states are only able to propagate in one direction and will disperse after a collision.
These probes demonstrate that the AHM ground state can be used as a platform to realize continuous fermionization and chiral bounds states. In larger systems, these simple properties likely underlie the development of additional many-body phases, and so our ability to realize and control these small systems opens new opportunities for exploring more complex phenomena.
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