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Arrachea, L.; Lozano, G.S.; Aligia, A.A. "Thermal transport in one-dimensional spin heterostructures" (2009) Physical Review B - Condensed Matter and Materials Physics. 80(1)
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Abstract:

We study heat transport in a one-dimensional inhomogeneous quantum spin-1/2 system. It consists of a finite-size XX spin chain coupled at its ends to semi-infinite XX and XY chains at different temperatures, which play the role of heat and spin reservoirs. After using the Jordan-Wigner transformation we map the original spin Hamiltonian into a fermionic Hamiltonian, which contains normal and pairing terms. We find the expressions for the heat currents and solve the problem with a nonequilibrium Green's-function formalism. We analyze the behavior of the heat currents as functions of the model parameters. When finite magnetic fields are applied at the two reservoirs, the system exhibits rectifying effects in the heat flow. © 2009 The American Physical Society.

Registro:

Documento: Artículo
Título:Thermal transport in one-dimensional spin heterostructures
Autor:Arrachea, L.; Lozano, G.S.; Aligia, A.A.
Filiación:Departamento de Física, FCEyN, Ciudad Universitaria, Pabellón 1, 1428 Buenos Aires, Argentina
Comisión Nacional de Energía Atómica, Centro Atómico Bariloche, Instituto Balseiro, 8400 S.C. de Bariloche, Argentina
Año:2009
Volumen:80
Número:1
DOI: http://dx.doi.org/10.1103/PhysRevB.80.014425
Título revista:Physical Review B - Condensed Matter and Materials Physics
Título revista abreviado:Phys. Rev. B Condens. Matter Mater. Phys.
ISSN:10980121
CODEN:PRBMD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v80_n1_p_Arrachea

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Citas:

---------- APA ----------
Arrachea, L., Lozano, G.S. & Aligia, A.A. (2009) . Thermal transport in one-dimensional spin heterostructures. Physical Review B - Condensed Matter and Materials Physics, 80(1).
http://dx.doi.org/10.1103/PhysRevB.80.014425
---------- CHICAGO ----------
Arrachea, L., Lozano, G.S., Aligia, A.A. "Thermal transport in one-dimensional spin heterostructures" . Physical Review B - Condensed Matter and Materials Physics 80, no. 1 (2009).
http://dx.doi.org/10.1103/PhysRevB.80.014425
---------- MLA ----------
Arrachea, L., Lozano, G.S., Aligia, A.A. "Thermal transport in one-dimensional spin heterostructures" . Physical Review B - Condensed Matter and Materials Physics, vol. 80, no. 1, 2009.
http://dx.doi.org/10.1103/PhysRevB.80.014425
---------- VANCOUVER ----------
Arrachea, L., Lozano, G.S., Aligia, A.A. Thermal transport in one-dimensional spin heterostructures. Phys. Rev. B Condens. Matter Mater. Phys. 2009;80(1).
http://dx.doi.org/10.1103/PhysRevB.80.014425