Quantum measurement back-reaction and induced topological phases

Y. Aharonov*, T. Kaufherr, Sandu Popescu, Benni Reznik

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


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.

Original languageEnglish
Title of host publicationHP Laboratories Technical Report
PublisherHwelett Packard Lab Technical Publ Dept
StatePublished - Oct 1997


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