Current Carrying Ground State in a Bi-layer Model

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Strongly interacting systems have been conjectured to spontaneously develop current carrying ground states under certain conditions. We conclusively demonstrate the existence of a commensurate staggered interlayer current phase in a bi-layer model by using the recently discovered quantum Monte-Carlo algorithm without the sign problem. A pseudospin SU(2) algebra and the corresponding anisotropic spin-1 Heisenberg model are constructed to show the competition among the staggered interlayer current, rung singlet and charge density wave phases.
5 pages, 5 figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/23584

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0403585
 http://arxiv.org/abs/cond-mat/0403585
 Phys. Rev. B 70, 220505(R) (2004)
 doi:10.1103/PhysRevB.70.220505

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arXiv