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Instability in Magnetic Materials with a Dynamical Axion Field

Ooguri, Hirosi and Oshikawa, Masaki (2012) Instability in Magnetic Materials with a Dynamical Axion Field. Physical Review Letters, 108 (16). Art. No. 161803. ISSN 0031-9007. doi:10.1103/PhysRevLett.108.161803.

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It has been pointed out that axion electrodynamics exhibits instability in the presence of a background electric field. We show that the instability leads to a complete screening of an applied electric field above a certain critical value and the excess energy is converted into a magnetic field. We clarify the physical origin of the screening effect and discuss its possible experimental realization in magnetic materials where magnetic fluctuations play the role of the dynamical axion field.

Item Type:Article
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URLURL TypeDescription DOIArticle Paper
Ooguri, Hirosi0000-0001-6021-3778
Alternate Title:Instability in magnetic materials with dynamical axion field
Additional Information:© 2012 American Physical Society. Received 14 December 2011; published 20 April 2012. We thank Y. Ando, O. Bergman, J. Gauntlett, D. Hsieh, J. Maldacena, and X.-L. Qi for useful discussions. We thank the hospitality of the Aspen Center for Physics (NSF Grant No. 1066293) and the Kavli Institute for Theoretical Physics, UC Santa Barbara (NSF Grant No. PHY05-51164). The work of H. O. is supported in part by U.S. DOE Grant No. DE-FG03-92-ER40701, the WPI Initiative of MEXT of Japan, and JSPS Grant-in-Aid for Scientific Research No. C-23540285. The work of M. O. is supported in part by JSPS Grant-in-Aid for Scientific Research No. 21540381.
Group:Caltech Theory
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG03-92-ER40701
Ministry of Education, Culture, Sports, Science and Technology (MEXT)UNSPECIFIED
Japan Society for the Promotion of Science (JSPS)C-23540285
Japan Society for the Promotion of Science (JSPS)21540381
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Other Numbering System NameOther Numbering System ID
Issue or Number:16
Classification Code:PACS: 14.80.Va, 73.61.-r
Record Number:CaltechAUTHORS:20120103-143444619
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28628
Deposited By: Tony Diaz
Deposited On:13 Apr 2012 20:33
Last Modified:09 Nov 2021 16:59

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