Negative differential conductivity in Heisenberg XXZ chain far from equilibrium

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dc.creatorProsen, Tomaz
dc.date2007-04-17
dc.date.accessioned2026-07-07T07:57:16Z
dc.date.available2026-07-07T07:57:16Z
dc.descriptionNegative differential conductivity is reported for the far from equilibrium quantum spin transport in the insulating regime (J_x < J_z) of finite Heisenberg XXZ spin 1/2 chains. The phenomenon is reproduced analytically for small chains of N=4 spins and further analyzed numerically, for up to N=16, using an efficient pure-state simulation with stochastic spin baths.
dc.descriptionUnpublished notes, written up in February 2004, 5 pages with 3 .eps figures
dc.identifierhttps://arxiv.org/abs/0704.2252
dc.identifierhttp://arxiv.org/abs/0704.2252
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/127587
dc.subjectQuantum Physics
dc.subjectStatistical Mechanics
dc.titleNegative differential conductivity in Heisenberg XXZ chain far from equilibrium
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