Quantum Measurement Back-Reaction and Induced Toplogical Phases
Y. Aharonov, T. Kaufherr, S. Popescu, B. Reznik
Abstract
It is shown that a topological vector-potential (Berry phase) is induced by the act of measuring angular momentum in a direction defined by a reference particle. This vector potential appears as a consequence of the back-reaction due to the quantum measurement.
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