Geometric phase as a simple closed-form integral
Apoorva G Wagh Veer Chand Rakhecha
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For a general evolution of a quantal system, the geometric phase measured with reference to a given initial state is derived as an integral of a function of the pure state density operator by invoking the Pancharatnam connection continuously.
Apoorva G Wagh1 Veer Chand Rakhecha1
Volume 96, 2022
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