Casimir force phase transitions in the graphene family

The Casimir force is a universal interaction induced by electromagnetic quantum fluctuations between any types of objects. 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 honey...

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Veröffentlicht in:Nature communications Jg. 8; H. 1; S. 14699
Hauptverfasser: Rodriguez-Lopez, Pablo, Kort-Kamp, Wilton J. M., Dalvit, Diego A. R., Woods, Lilia M.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London Nature Publishing Group UK 15.03.2017
Nature Publishing Group
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Casimir Interactions, Graphene, Silicene, Hall Effects
Electrons
Graphene
Humanities and Social Sciences
MATERIALS SCIENCE
multidisciplinary
Phase transitions
Physics
Science
Science (multidisciplinary)
Temperature effects
New Mexico
United States > US
ISSN:2041-1723, 2041-1723
Online-Zugang:Volltext
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Zusammenfassung:The Casimir force is a universal interaction induced by electromagnetic quantum fluctuations between any types of objects. 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. 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. In particular, 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. The Casimir force is a ubiquitous interaction arising from electromagnetic quantum fluctuations. Here, the authors uncover the underlying physics governing Casimir force phase transitions in staggered 2D materials in the graphene family.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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USDOE
AC52-06NA25396; FG02-06ER46297
LA-UR-16-27001
ISSN:2041-1723
2041-1723
DOI:10.1038/ncomms14699