Coherence-Incoherence Transition Between Fermi and Luttinger liquids

Details Coherence-Incoherence Transition Between Fermi and Luttinger liquids Coherence-Incoherence Transition Between Fermi and Luttinger liquids

1996-07-29

arxiv.org/abs/cond-mat/9607209v3

Physics

Condensed Matter

The calculations for spinless Luttinger liquid (LL) are replaced by the ones for spin-1/2 LL

Scientific paper

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.

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