Two-scale analysis of the SU(N) Kondo Model

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We show how to resolve coherent low-energy features embedded in a broad high-energy background by use of a fully self-consistent calculation for composite particle operators. The method generalizes the formulation of Roth, which linearizes the dynamics of composite operators at any energy scale. Self-consistent equations are derived and analyzed in the case of the single-impurity SU(N) Kondo model.
4 RevTeX pages, 3 embedded EPS figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/30105

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9912414
 http://arxiv.org/abs/cond-mat/9912414
 Phys. Rev. Lett. 85, 804 (2000)
 doi:10.1103/PhysRevLett.85.804

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arXiv