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Rydberg dressed spin-1/2 Fermi gases in one dimension

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arxiv 2209.03368 v1 pith:FW5N5RUN submitted 2022-09-07 cond-mat.quant-gas cond-mat.str-elquant-ph

Rydberg dressed spin-1/2 Fermi gases in one dimension

classification cond-mat.quant-gas cond-mat.str-elquant-ph
keywords rydberggasesatomscouplingdressedfermiluttingerphase
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The emergent phases of strongly correlated spin-1/2 Fermi gases of Rydberg dressed atoms in a one dimensional optical lattice are theoretically investigated. At weak coupling a bosonization description is used to demonstrate the ability to drive alternating quantum phase transitions between distinct Luttinger liquids. At strong coupling the ground state develops non-trivial phase separation exhibiting Luttinger liquid ''puddles'' separated by magnetic domain walls due to the interplay of the incommensurate filling and the Rydberg core length scale. These phases can be detected in ultracold gases of Rydberg atoms made from $^6$Li.

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  1. Order-by-disorder and emergent Kosterlitz-Thouless phase in triangular Rydberg array

    cond-mat.str-el 2023-02 unverdicted novelty 5.0

    Numerical simulations of the Rydberg triangular lattice model show order-by-disorder √3×√3 order at half filling and an emergent KT phase at finite temperature.