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Simulating Compact Quantum Electrodynamics with ultracold atoms: Probing confinement and nonperturbative effects

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arxiv 1204.6574 v2 pith:43LQOM74 submitted 2012-04-30 quant-ph cond-mat.quant-gashep-th

Erez Zohar , J. Ignacio Cirac , Benni Reznik This is my paper · ORCID
classification quant-phcond-mat.quant-gashep-th
keywords simulatingconfinementcqedeffectsquantumatomsbeencompact
verification ladder T0 review T1 audit T2 compute T3 formal

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Recently, there has been much interest in simulating quantum field theory effects of matter and gauge fields. In a recent work [Phys. Rev. Lett. 107, 275301 (2011)] a method for simulating compact Quantum Electrodynamics (cQED) using Bose-Einstein condensates has been suggested. We suggest an alternative approach, which relies on single atoms in an optical lattice, carrying 2l+1 internal levels, which converges rapidly to cQED as l increases. That enables the simulation of cQED in 2+1 dimensions in both the weak and the strong coupling regimes, hence allowing to probe confinement as well as other nonperturbative effects of the theory. We provide an explicit construction for the case l=1 which is sufficient for simulating the effect of confinement between two external static charges.

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Cited by 6 Pith papers

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