Emergence of Geometric phase shift in Planar Non-commutative Quantum Mechanics
arXiv:1911.03196 · doi:10.1103/PhysRevA.102.022231
Abstract
Appearance of adiabatic geometric phase shift in the context of noncommutative quantum mechanics is studied using an exactly solvable model of 2D simple harmonic oscilator in Moyal plane, where momentum non-commutativity are also considered along with spatial noncommutativity. After finding a suitable Bopp shift, that bridges the noncommutative phase space operators with their effective commutative counterparts, having their dependence on the non-commutative parameters, we study the adiabatic evolution in the Heisenberg picture. An explicit expression for the geometric phase shift under adiabatic approximation is then found without using any perturbative technique. Lastly, this phase is found to be related to the Hannay angle of a classically analogous system, by studying the evolution of the coherent state of this system.
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