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Indistinguishability of quantum states and rotation counting
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 4493567
Author(s) Averin, Dmitri V.; Bruder, Christoph
Author(s) at UniBasel Bruder, Christoph
Year 2018
Title Indistinguishability of quantum states and rotation counting
Journal Physical Review B
Volume 98
Number 8
Abstract We consider a system that is effectively a quantum particle on a one-dimensional ring for which the points Phi and Phi + 2 pi are indistinguishable. We show that interactions with another particle on a neighboring ring can modify the configuration space and make the points Phi and Phi + 2 pi distinguishable. As a consequence, the orbital motion acquires a periodicity of 2 pi n with n > 1 which leads to changes in the energy spectrum and in all observable properties. In particular, the fundamental magnetic flux period Phi(0) = h/q of the Aharonov-Bohm effect is reduced to 443, Phi(0)/n.
Publisher AMER PHYSICAL SOC
ISSN/ISBN 2469-9950 ; 2469-9969
edoc-URL https://edoc.unibas.ch/68071/
Full Text on edoc No
Digital Object Identifier DOI 10.1103/PhysRevB.98.085304
ISI-Number 000441857700004
Document type (ISI) Article
 
   

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28/03/2024