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Chiral Casimir forces: Repulsive, enhanced, tunable
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics. Massachusetts Institute of Technology, USA; Shanghai Jiao Tong University, China; Arizona State University, USA.
Number of Authors: 22019 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 99, no 12, article id 125403Article in journal (Refereed) Published
Abstract [en]

Both theoretical interest and practical significance attach to the sign and strength of Casimir forces. A famous, discouraging no-go theorem states that the Casimir force between two bodies with reflection symmetry is always attractive. Here, we identify a promising way to avoid the assumptions of the no-go theorem, and propose a universal way to realize repulsive Casimir forces. We show that the sign and strength of Casimir forces can be adjusted by inserting optically active or gyrotropic media between bodies, and modulated by external fields.

Place, publisher, year, edition, pages
2019. Vol. 99, no 12, article id 125403
National Category
Materials Engineering Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-167501DOI: 10.1103/PhysRevB.99.125403ISI: 000460722900007OAI: oai:DiVA.org:su-167501DiVA, id: diva2:1300936
Available from: 2019-04-01 Created: 2019-04-01 Last updated: 2019-06-24Bibliographically approved

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