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arxiv 2305.16743 v1 pith:3RWOKYBG submitted 2023-05-26 cond-mat.quant-gas

Momentum resolved Floquet-engineered pair and single particle filter in the Fermi Hubbard model

classification cond-mat.quant-gas
keywords pairparticlesinglemomentumtransmissionimpurityresolvedbehaviour
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate the transport properties of a Fermi-Hubbard chain with an impurity which is formed by a site with a periodically modulated chemical potential. We determine the momentum resolved transmission through this impurity in dependence of the modulation frequency and strength for a single particle and a pair of fermions. We find that the pair transmission has a very distinct behaviour from the single particle transmission. Different situations can occur, where only the single particle or the pair with a certain momentum are transmitted or filtered out.

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