Comparison between a diagrammatic theory for the BCS-BEC crossover and Quantum Monte Carlo results

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Predictions for the chemical potential and the excitation gap recently obtained by our diagrammatic theory for the BCS-BEC crossover in the superfluid phase are compared with novel Quantum Monte Carlo results at zero temperature now available in the literature. A remarkable agreement is found between the results obtained by the two approaches
3 pages, 2 figures

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Superconductivity, Other Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/25121

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0410578
 http://arxiv.org/abs/cond-mat/0410578
 Phys. Rev. B 72, 012506 (2005)
 doi:10.1103/PhysRevB.72.012506

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arXiv