Averin, Dmitri V. and Bruder, Christoph.
(2018)
* Indistinguishability of quantum states and rotation counting.*
Physical Review B , 98 (8).

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Official URL: https://edoc.unibas.ch/68071/

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## 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.

Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder) |
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UniBasel Contributors: | Bruder, Christoph |

Item Type: | Article, refereed |

Article Subtype: | Research Article |

ISSN: | 2469-9950 |

e-ISSN: | 2469-9969 |

Note: | Publication type according to Uni Basel Research Database: Journal article |

Identification Number: | |

Last Modified: | 24 Jan 2019 18:44 |

Deposited On: | 24 Jan 2019 18:44 |

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