Coherence-Incoherence Transition Between Fermi and Luttinger liquids

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We consider conditions for existence of fermionic quasiparticles in a strongly anisotropic quasi-one-dimensional metal. The adopted model is a model of chains of spin-1/2 Luttinger liquid coupled by small interchain hopping. It is shown that the Luttinger liquid becomes more stable with decrease of the lattice coordination number. It is also shown that with a significant spin-charge separation some Luttinger liquid features may persist in the Fermi liquid phase.
The calculations for spinless Luttinger liquid (LL) are replaced by the ones for spin-1/2 LL

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/147563

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9607209
 http://arxiv.org/abs/cond-mat/9607209

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arXiv