Presence of energy flux in quantum spin chains: An experimental signature

Details Presence of energy flux in quantum spin chains: An experimental signature Presence of energy flux in quantum spin chains: An experimental signature

2000-05-25

arxiv.org/abs/cond-mat/0005454v1

J. Stat. Phys. 101, 273 (2000)

Physics

Condensed Matter

Statistical Mechanics

Talk presented at NATO Advanced Workshop on Nonlinear Science and Stochasticity, (Brussels, July 1999); to appear in J.Stat.Ph

Scientific paper

Using the XXZ model for the description of one-dimensional magnetic materials
we show that an energy flux, j_E, produces a shift, dk (j_E)^0.5, in the
characteristic wavenumber of the spin-spin correlations. We estimate dk for a
realistic experimental setup and find that it is measurable in inelastic
neutron scattering experiments.

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