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Confinement and lattice QED electric flux-tubes simulated with ultracold atoms

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arxiv 1108.1562 v2 pith:N6M5WACB submitted 2011-08-07 quant-ph cond-mat.quant-gashep-th

Erez Zohar , Benni Reznik This is my paper · ORCID
classification quant-phcond-mat.quant-gashep-th
keywords electriclocalatomsconfinementfieldfluctuationsflux-tubeslattice
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We propose a method for simulating 2+1-d compact lattice quantum-electrodynamics (QED), using ultracold atoms in optical lattices. In our model local Bose-Einstein condensates' phases correspond to the electromagnetic vector-potential, and the fluctuations of the local number operators represent the conjugate electric field. The gauge invariant Kogut-Susskind Hamiltonian is obtained as an effective low energy theory. The field is then coupled to external static charges. We show that in the strong coupling limit this gives rise to 'electric flux-tubes' and to confinement. The effect can be observed by measuring the local density fluctuations of the BECs.

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Cited by 3 Pith papers

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  3. Towards analog quantum simulations of lattice gauge theories with trapped ions

    quant-ph 2019-08 conditional novelty 6.0 of 10

    A detailed trapped-ion protocol for analog quantum simulation of the Schwinger model and two other lattice gauge theories, with an optimization scheme to engineer the required spin-spin Hamiltonian.

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