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Tunable spin model generation with spin-orbital coupled fermions in optical lattices | | Mikhail Mamaev
; Itamar Kimchi
; Rahul M. Nandkishore
; Ana Maria Rey
; | | Date: |
3 Nov 2020 | | Abstract: | We study the dynamical behaviour of ultracold fermionic atoms loaded into an
optical lattice under the presence of an effective magnetic flux, induced by
spin-orbit coupled laser driving. At half filling, the resulting system can
emulate a variety of iconic spin-1/2 models such as an Ising model, an XY
model, a generic XXZ model with arbitrary anisotropy, or a collective one-axis
twisting model. The validity of these different spin models is examined across
the parameter space of flux and driving strength. In addition, there is a
parameter regime where the system exhibits chiral, persistent features in the
long-time dynamics. We explore these properties and discuss the role played by
the system’s symmetries. We also discuss experimentally-viable implementations. | | Source: | arXiv, 2011.01842 | | Services: | Forum | Review | PDF | Favorites | |
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