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Title: Casimir force phase transitions in the graphene family

Abstract

The Casimir force is a universal interaction induced by electromagnetic quantum fluctuations between any types of objects. We found that the expansion of the graphene family by adding silicene, germanene and stanene (2D allotropes of Si, Ge, and Sn), lends itself as a platform to probe Dirac-like physics in honeycomb staggered systems in such a ubiquitous interaction. Here, we discover Casimir force phase transitions between these staggered 2D materials induced by the complex interplay between Dirac physics, spin-orbit coupling and externally applied fields. Particularly, we find that the interaction energy experiences different power law distance decays, magnitudes and dependences on characteristic physical constants. Furthermore, due to the topological properties of these materials, repulsive and quantized Casimir interactions become possible.

Authors:
 [1]; ORCiD logo [2]; ORCiD logo [3];  [1]
  1. Univ. of South Florida, Tampa, FL (United States). Dept. of Physics
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Center for Nonlinear Studies and Theoretical Division
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1357120
Report Number(s):
LA-UR-16-27001
Journal ID: ISSN 2041-1723
Grant/Contract Number:  
AC52-06NA25396; FG02-06ER46297
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 8; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Casimir Interactions, Graphene, Silicene, Hall Effects

Citation Formats

Rodriguez-Lopez, Pablo, Kort-Kamp, Wilton J. M., Dalvit, Diego A. R., and Woods, Lilia M. Casimir force phase transitions in the graphene family. United States: N. p., 2017. Web. doi:10.1038/ncomms14699.
Rodriguez-Lopez, Pablo, Kort-Kamp, Wilton J. M., Dalvit, Diego A. R., & Woods, Lilia M. Casimir force phase transitions in the graphene family. United States. doi:10.1038/ncomms14699.
Rodriguez-Lopez, Pablo, Kort-Kamp, Wilton J. M., Dalvit, Diego A. R., and Woods, Lilia M. Wed . "Casimir force phase transitions in the graphene family". United States. doi:10.1038/ncomms14699. https://www.osti.gov/servlets/purl/1357120.
@article{osti_1357120,
title = {Casimir force phase transitions in the graphene family},
author = {Rodriguez-Lopez, Pablo and Kort-Kamp, Wilton J. M. and Dalvit, Diego A. R. and Woods, Lilia M.},
abstractNote = {The Casimir force is a universal interaction induced by electromagnetic quantum fluctuations between any types of objects. We found that the expansion of the graphene family by adding silicene, germanene and stanene (2D allotropes of Si, Ge, and Sn), lends itself as a platform to probe Dirac-like physics in honeycomb staggered systems in such a ubiquitous interaction. Here, we discover Casimir force phase transitions between these staggered 2D materials induced by the complex interplay between Dirac physics, spin-orbit coupling and externally applied fields. Particularly, we find that the interaction energy experiences different power law distance decays, magnitudes and dependences on characteristic physical constants. Furthermore, due to the topological properties of these materials, repulsive and quantized Casimir interactions become possible.},
doi = {10.1038/ncomms14699},
journal = {Nature Communications},
issn = {2041-1723},
number = ,
volume = 8,
place = {United States},
year = {2017},
month = {3}
}

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Cited by: 6 works
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    Works referencing / citing this record:

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