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Path topology dependence of adiabatic time evolution

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arxiv 1512.06983 v3 pith:EIAWZPYE submitted 2015-12-22 quant-ph math-phmath.MP

Path topology dependence of adiabatic time evolution

classification quant-ph math-phmath.MP
keywords adiabaticdrivenslowlysystemsanalysisclosedeigenspacesevolution
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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An adiabatic time evolution of a closed quantum system connects eigenspaces of initial and final Hermitian Hamiltonians for slowly driven systems, or, unitary Floquet operators for slowly modulated driven systems. We show that the connection of eigenspaces depends on a topological property of the adiabatic paths for given initial and final points. An example in slowly modulated periodically driven systems is shown. These analysis are based on the topological analysis of the exotic quantum holonomy in adiabatic closed paths.

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