Spin Conductance in one-dimensional Spin-Phonon systems

Details Spin Conductance in one-dimensional Spin-Phonon systems Spin Conductance in one-dimensional Spin-Phonon systems

2005-05-10

arxiv.org/abs/cond-mat/0505253v2

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, 9 figures

Scientific paper

10.1103/PhysRevB.72.214415

We present results for the spin conductance of the one dimensional spin-1/2 Heisenberg and XY model coupled to phonons. We apply an approach based on the Stochastic Series Expansion (Quantum Monte Carlo) method to evaluate the conductance for a variety of phonon dispersions and values of spin-phonon coupling. From our numerical simulations and analytical arguments, we derive several scaling laws for the conductance.

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