Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.79.014207
Title: Control of heat transport in quantum spin systems
Authors: Yan, Y. 
Wu, C.-Q. 
Li, B. 
Issue Date: 5-Jan-2009
Citation: Yan, Y., Wu, C.-Q., Li, B. (2009-01-05). Control of heat transport in quantum spin systems. Physical Review B - Condensed Matter and Materials Physics 79 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.79.014207
Abstract: We study heat transport in quantum spin systems analytically and numerically. First, we demonstrate that heat current through a two-level quantum spin system can be modulated from zero to a finite value by tuning a magnetic field. Second, we show that a spin system, consisting of two dissimilar parts-one is gapped and the other is gapless-exhibits current rectification and negative differential thermal resistance. Possible experimental realizations by using molecular junctions or magnetic materials are discussed. © 2009 The American Physical Society.
Source Title: Physical Review B - Condensed Matter and Materials Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/96077
ISSN: 10980121
DOI: 10.1103/PhysRevB.79.014207
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