Quantum measurement backreaction and induced topological phases

Y Aharonov, T Kaufherr, S Popescu, B Reznik

Research output: Contribution to journalArticle (Academic Journal)peer-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 backreaction due to the quantum measurement.

Original languageEnglish
Pages (from-to)2023-2026
Number of pages4
JournalPhysical Review Letters
Issue number10
Publication statusPublished - 9 Mar 1998


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