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|Title:||Control of heat transport in quantum spin systems||Authors:||Yan, Y.
|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|
|Appears in Collections:||Staff Publications|
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