Off-diagonal geometric phase in composite systems
classification
🪐 quant-ph
keywords
geometricoff-diagonalphaseadiabaticcompositesystemanalyzecase
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The effect due to the inter-subsystem coupling on the off-diagonal geometric phase in a composite system is investigated. We analyze the case where the system undergo an adiabatic evolution. Two coupled qubits driven by time-dependent external magnetic fields are presented as an example, the off-diagonal geometric phase as well as the adiabatic condition are examined and discussed.
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