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Chemical Potential in the Gravity Dual of a 2+1 Dimensional System

Chemical Potential in the Gravity Dual of a 2+1 Dimensional System
Chemical Potential in the Gravity Dual of a 2+1 Dimensional System
We study probe D5 branes in D3 brane AdS5 and AdS5-Schwarzschild backgrounds as a prototype dual description of strongly coupled 2+1 dimensional quasiparticles. We introduce a chemical potential through the U(1)R symmetry group, U(1) baryon number, and a U(1) of isospin in the multiflavor case. We find the appropriate D5 embeddings in each case—the embeddings do not exhibit the spontaneous symmetry breaking that would be needed for a superconductor. The isospin chemical potential does induce the condensation of charged meson states.
2470-0029
Evans, Nick
33dfbb52-64dd-4c1f-9cd1-074faf2be4b3
Threlfall, Ed
0a0ac961-d313-4a6e-9096-922f9a995f45
Evans, Nick
33dfbb52-64dd-4c1f-9cd1-074faf2be4b3
Threlfall, Ed
0a0ac961-d313-4a6e-9096-922f9a995f45

Evans, Nick and Threlfall, Ed (2009) Chemical Potential in the Gravity Dual of a 2+1 Dimensional System. Physical Review D, 79 (6). (doi:10.1103/PhysRevD.79.066008).

Record type: Article

Abstract

We study probe D5 branes in D3 brane AdS5 and AdS5-Schwarzschild backgrounds as a prototype dual description of strongly coupled 2+1 dimensional quasiparticles. We introduce a chemical potential through the U(1)R symmetry group, U(1) baryon number, and a U(1) of isospin in the multiflavor case. We find the appropriate D5 embeddings in each case—the embeddings do not exhibit the spontaneous symmetry breaking that would be needed for a superconductor. The isospin chemical potential does induce the condensation of charged meson states.

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Published date: 18 March 2009
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Local EPrints ID: 141504
URI: http://eprints.soton.ac.uk/id/eprint/141504
DOI: doi:10.1103/PhysRevD.79.066008
ISSN: 2470-0029
PURE UUID: c58a5bcf-a00d-41f5-9aa7-f17c411f3440

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Date deposited: 29 Mar 2010 15:41
Last modified: 14 Mar 2024 00:37

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Author: Nick Evans
Author: Ed Threlfall

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