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Title: Chiral Casimir forces: Repulsive, enhanced, tunable

Abstract

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.” In this report, we determine 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.

Authors:
 [1];  [2]
  1. Stockholm Univ. (Sweden)
  2. Stockholm Univ. (Sweden); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Shanghai Jiao Tong Univ. (China); Arizona State Univ., Tempe, AZ (United States)
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); Swedish Research Council (SRC); European Research Council (ERC)
OSTI Identifier:
1633424
Alternate Identifier(s):
OSTI ID: 1546332
Grant/Contract Number:  
SC0012567
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 99; Journal Issue: 12; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE

Citation Formats

Jiang, Qing-Dong, and Wilczek, Frank. Chiral Casimir forces: Repulsive, enhanced, tunable. United States: N. p., 2019. Web. doi:10.1103/PhysRevB.99.125403.
Jiang, Qing-Dong, & Wilczek, Frank. Chiral Casimir forces: Repulsive, enhanced, tunable. United States. https://doi.org/10.1103/PhysRevB.99.125403
Jiang, Qing-Dong, and Wilczek, Frank. Mon . "Chiral Casimir forces: Repulsive, enhanced, tunable". United States. https://doi.org/10.1103/PhysRevB.99.125403. https://www.osti.gov/servlets/purl/1633424.
@article{osti_1633424,
title = {Chiral Casimir forces: Repulsive, enhanced, tunable},
author = {Jiang, Qing-Dong and Wilczek, Frank},
abstractNote = {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.” In this report, we determine 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.},
doi = {10.1103/PhysRevB.99.125403},
journal = {Physical Review B},
number = 12,
volume = 99,
place = {United States},
year = {Mon Mar 04 00:00:00 EST 2019},
month = {Mon Mar 04 00:00:00 EST 2019}
}

Journal Article:

Citation Metrics:
Cited by: 46 works
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Figures / Tables:

FIG. 1 FIG. 1: Schematic illustration of chiral Casimir effect. Two parallel, uncharged plates (A & B) are placed at a distance l separated by chiral material C. The red dots and green dots represent right-circular polarized photons and left-circular polarized photons. The arrows indicate the propagating directions of chiral photons. k$^{±}_{more » R(L)}$ represent velocity of chiral photons, where superscript ± correspond to their propagating directions, and the subscript R/L correspond to their chirality.« less

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Works referencing / citing this record:

Casimir-like forces in cooperative exclusion processes
journal, November 2019


Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.