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https://hdl.handle.net/10356/101618
Title: | Persistent current induced by vacuum fluctuations in a quantum ring | Authors: | Kibis, O. V. Kyriienko, O. Shelykh, I. A. |
Keywords: | DRNTU::Science::Physics | Issue Date: | 2013 | Source: | Kibis, O. V., Kyriienko, O., & Shelykh, I. A. (2013). Persistent current induced by vacuum fluctuations in a quantum ring. Physical review B - condensed matter and materials physics, 87(24), 245437-. | Series/Report no.: | Physical review B - condensed matter and materials physics | Abstract: | We study theoretically interaction between electrons in a quantum ring embedded in a microcavity and vacuum fluctuations of electromagnetic field in the cavity. It is shown that the vacuum fluctuations can split electron states of the ring with opposite angular momenta. As a consequence, the ground state of the electron system in the quantum ring can be associated with nonzero electric current. Since a ground-state current flows without dissipation, such a quantum ring gets a magnetic moment and can be treated as an artificial spin. | URI: | https://hdl.handle.net/10356/101618 http://hdl.handle.net/10220/18724 |
DOI: | 10.1103/PhysRevB.87.245437 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2013 American Physical Society. This paper was published in Physical Review B - Condensed Matter and Materials Physics and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: [http://dx.doi.org/10.1103/PhysRevB.87.245437]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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