Quantum phases for bosons in a magnetic lattice with a harmonic trap

Quantum phases for bosons in a magnetic lattice with a harmonic trap

The phase diagram of ultracold bosons in a 2D optical lattice subjected to a uniform magnetic flux is studied by the inhomogeneous Gutzwiller variational method. With a harmonic external potential, the density profile exhibits wedding-cake shape and the Mott phase forms a series of circular platform...

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Bibliographic Details
Main Authors: Ya-Fei Song, Shi-Jie Yang
Format: Article
Language:English
Published: IOP Publishing 2020-01-01
Series:New Journal of Physics
Subjects:
phase transitions
Bose gases
synthetic gauge fields
chiral symmetry
vortex lattices
Online Access:https://doi.org/10.1088/1367-2630/ab95e0

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