Baryon-charge Chemical Potential in AdS/CFT

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We present a closed framework of AdS/CFT with finite U(1)B-charge chemical potential. We show how the gauge-invariant identification of the chemical potential with the bulk gauge field emerges from the standard AdS/CFT dictionary. Physical importance and necessity of the Minkowski embeddings within the present framework is also shown numerically in the D3-D7 systems. We point out that the D3-D7 model with only the black-hole embeddings does not have the low-temperature and low-chemical-potential region in the grand-canonical ensemble, hence it is incomplete. A physical interpretation that explains these numerical results is also proposed.
Revtex4, 36 pages with 23 figures

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High Energy Physics - Theory, High Energy Physics - Phenomenology, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/204382

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0708.2818
 http://arxiv.org/abs/0708.2818
 Prog.Theor.Phys.120:51-76,2008
 doi:10.1143/PTP.120.51

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arXiv