Exact diagonalization results for an anharmonically trapped Bose-Einstein condensate
S. Bargi, G. M. Kavoulakis, S. M. Reimann (LTH, Lund)
TL;DR
This paper uses numerical diagonalization to analyze the phase behavior of a rotating Bose-Einstein condensate in an anharmonic trap, exploring how rotation and interactions influence its quantum phases.
Contribution
It provides the first exact diagonalization study of an anharmonically trapped Bose-Einstein condensate, mapping out phase transitions under varying rotation and interaction strengths.
Findings
Identification of distinct quantum phases as a function of rotation and interactions
Mapping of phase diagram for anharmonic trap Bose-Einstein condensate
Demonstration of phase transitions via numerical diagonalization
Abstract
We consider bosonic atoms that rotate in an anharmonic trapping potential. Using numerical diagonalization of the Hamiltonian, we identify the various phases of the gas as the rotational frequency of the trap and the coupling between the atoms are varied.
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