Cold atoms in U(3) gauge potentials
Ipsita Mandal, Atri Bhattacharya
TL;DR
This paper investigates how artificial U(3) gauge potentials influence ultracold atoms, analyzing energy spectra, metal-insulator transitions, and superfluid-insulator transitions under various gauge field configurations.
Contribution
It introduces the effects of U(3) gauge potentials on ultracold atoms, including energy spectra and phase transitions, expanding understanding beyond simpler gauge groups.
Findings
Energy spectra depend on gauge field configurations
Metal-insulator transition occurs for irrational fluxes
Gauge potentials affect superfluid-insulator transition
Abstract
We explore the effects of artificial gauge potentials on ultracold atoms. We study background gauge fields with both non-constant and constant Wilson loops around plaquettes, obtaining the energy spectra in each case. The scenario of metal-insulator transition for irrational fluxes is also examined. Finally, we discuss the effect of such a gauge potential on the superfluid-insulator transition for bosonic ultracold atoms.
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