Finite temperature spectral-functions of strongly correlated one-dimensional electron systems

Details Finite temperature spectral-functions of strongly correlated one-dimensional electron systems Finite temperature spectral-functions of strongly correlated one-dimensional electron systems

1997-04-28

arxiv.org/abs/cond-mat/9704233v1

Phys. Rev. B 56, 6555 (1997)

Physics

Condensed Matter

Strongly Correlated Electrons

revtex, 4 pages, 3 eps figures

Scientific paper

10.1103/PhysRevB.56.6555

The spectral functions of tJ and tJ_{XY} models in the limit of J/t-> 0 and at finite temperatures T>>t are calculated using the spin-charge factorized wave function. We find that the Luttinger-liquid like scaling behavior for a finite system with L sites is restricted below temperatures of the order T = J/L. We also observe weight redistribution in the photoemission spectral function in the energy range t, which is much larger than the temperature.

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