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Holographic graphene in a cavity

Holographic graphene in a cavity
Holographic graphene in a cavity
The effective strength of EM interactions can be controlled by confining the fields to a cavity and these effects might be used to push graphene into a strongly coupled regime. We study the similar D3/probe D5 system on a compact space and discuss the gravity dual for a cavity between two mirrors. We show that the introduction of a conformal symmetry breaking length scale introduces a mass gap on a single D5 sheet. Bilayer configurations display exciton condensation between the sheets. There is a first order phase transition away from the exciton condensate if a strong enough magnetic field is applied. We finally map out the phase structure of these systems in a cavity with the presence of mirror reflections of the probes - a mass gap may form through exciton condensation with the mirror image.
1-7
Evans, Nick
33dfbb52-64dd-4c1f-9cd1-074faf2be4b3
Jones, Peter
58b92f6d-0f66-43fa-bfa2-fcfbefd86535
Evans, Nick
33dfbb52-64dd-4c1f-9cd1-074faf2be4b3
Jones, Peter
58b92f6d-0f66-43fa-bfa2-fcfbefd86535

Evans, Nick and Jones, Peter (2014) Holographic graphene in a cavity. Pre-print, (arXiv:1407.3097), 1-7.

Record type: Article

Abstract

The effective strength of EM interactions can be controlled by confining the fields to a cavity and these effects might be used to push graphene into a strongly coupled regime. We study the similar D3/probe D5 system on a compact space and discuss the gravity dual for a cavity between two mirrors. We show that the introduction of a conformal symmetry breaking length scale introduces a mass gap on a single D5 sheet. Bilayer configurations display exciton condensation between the sheets. There is a first order phase transition away from the exciton condensate if a strong enough magnetic field is applied. We finally map out the phase structure of these systems in a cavity with the presence of mirror reflections of the probes - a mass gap may form through exciton condensation with the mirror image.

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e-pub ahead of print date: 11 July 2014
Organisations: Chemistry

Identifiers

Local EPrints ID: 368050
URI: https://eprints.soton.ac.uk/id/eprint/368050
PURE UUID: dc29461a-d8a0-4b9e-8edc-f2227ef79cfb

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Date deposited: 14 Aug 2014 11:22
Last modified: 18 Jul 2017 01:51

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