Ballistic Magnetothermal Transport In A Heisenberg Spin Chain At Low Temperatures

Lifa Zhang; Jian; Sheng Wang; Baowen Li

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Ballistic Magnetothermal Transport In A Heisenberg Spin Chain At Low Temperatures

机译：海森堡自旋链在低温下的弹道磁热输运

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We study ballistic thermal transport in Heisenberg spin chain with nearest-neighbor ferromagnetic interactions at low temperatures. Explicit expressions for transmission coefficients are derived for thermal transport in a periodic spin chain of arbitrary junction length by a spin-wave model. Our analytical results agree very well with the ones from nonequilibrium Green's function method. Our study shows that the transmission coefficient oscillates with the frequency of thermal wave. Moreover, the thermal transmission shows strong dependence on the intrachain coupling, the length of the spin chain, and the external magnetic field. The results demonstrate the possibility of manipulating spin-wave propagation and magnetothermal conductance in the spin-chain junction by adjusting the intrachain coupling and/or the external magnetic field.

机译：我们在低温下研究海森堡自旋链中具有近邻铁磁相互作用的弹道热传输。通过自旋波模型，导出了在任意结长的周期性自旋链中进行热传输的热传递系数的明确表达式。我们的分析结果与非平衡格林函数方法的分析结果非常吻合。我们的研究表明，传输系数随热波的频率而振荡。此外，热传递强烈依赖于链内偶联，自旋链的长度和外部磁场。结果表明通过调节链内耦合和/或外部磁场来控制自旋链结中的自旋波传播和磁热传导的可能性。

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来源
《Physical review》 |2008年第14期|403-408|共6页
作者
Lifa Zhang; Jian; Sheng Wang; Baowen Li;
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正文语种 eng
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spin chain models; ferrimagnetics;

机译：自旋链模型;铁磁学;

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1. Low temperature ballistic spin transport in the S = 1/2 antiferromagnetic Heisenberg chain compound SrCuO_2 [J] . Maeter H., Zvyagin A.A., Luetkens H., Journal of Physics. Condensed Matter . 2013,第36期

机译：S = 1/2反铁磁海森堡链化合物SrCuO_2中的低温弹道自旋输运
2. Bond disorder and breakdown of ballistic heat transport in the spin-1/2 antiferromagnetic Heisenberg chain as seen in Ca-doped SrCuO_2 [J] . N. Hlubek, P. Ribeiro, R. Saint-Martin, Physical review . 2011,第21期

机译：钙掺杂SrCuO_2中自旋1/2反铁磁海森堡链的键合紊乱和弹道热传递的破坏
3. Anomalous magnetothermal effect in the spin-1/2 Heisenberg XXZ chain [J] . Sakai K Physica, E. Low-dimensional systems & nanostructures . 2005,第3a4期

机译：自旋1/2 Heisenberg XXZ链中的异常磁热效应
4. Spin transport in a Lindblad-driven isotropic quantum Heisenberg spin-chain [C] . Leon Droenner, Nicolas Naumann, Markus Heyl, Physics and simulation of optoelectronic devices XXV . 2017

机译：Lindblad驱动的各向同性量子海森堡自旋链中的自旋输运
5. LOCAL MAGNETIZATION IN THE IMPURE SPIN 1/2 ANISOTROPIC ISING-HEISENBERG CHAINS (XY, HARTREE-FOCK, LDS). [D] . GILDENBLAT, GENNADY. 1984

机译：不纯的自旋1/2各向异性伊辛-海森堡链（XY，HARTREE-FOCK，LDS）中的局部磁化。
6. Ballistic transport and boundary resistances in inhomogeneous quantum spin chains [O] . Alberto Biella, Mario Collura, Davide Rossini, -1

机译：非均质量子自旋链的弹道输运和边界阻力
7. Ballistic magneto-thermal transport in a Heisenberg spin chain at low temperatures [O] . Zhang, Lifa, Wang, Jian-Sheng, Li, Baowen 2008

机译：Heisenberg自旋链中的弹道磁热传输温度
8. Low Temperature Spin Wave Dynamics in Classical Heisenberg Chains [R] . Heller, P., Blume, M. 1977

机译：经典海森堡链中的低温自旋波动力学

Ballistic Magnetothermal Transport In A Heisenberg Spin Chain At Low Temperatures

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