Voltage profile and four-terminal resistance of an interacting quantum wire

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We investigate the behavior of the four-terminal resistance R4pt in a quantum wire described by a Luttinger liquid in two relevant situations: (i) in the presence of a single impurity within the wire and (ii) under the effect of asymmetries introduced by disordered voltage probes. In the first case,...

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Autor principal: Arrachea, Liliana del Carmen
Otros Autores: Naón, C., Salvay, M.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2008
Acceso en línea:Registro en Scopus
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100 1 |a Arrachea, Liliana del Carmen 
245 1 0 |a Voltage profile and four-terminal resistance of an interacting quantum wire 
260 |c 2008 
270 1 0 |m Arrachea, L.; Departamento de Física de la Materia Condensada, BIFI, Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain 
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506 |2 openaire  |e Política editorial 
520 3 |a We investigate the behavior of the four-terminal resistance R4pt in a quantum wire described by a Luttinger liquid in two relevant situations: (i) in the presence of a single impurity within the wire and (ii) under the effect of asymmetries introduced by disordered voltage probes. In the first case, interactions leave a signature in a power-law behavior of R4pt as a function of the voltage V and the temperature T. In the second case interactions tend to mask the effect of the asymmetries. In both scenarios the occurrence of negative values of R4pt is explained in simple terms. © 2008 The American Physical Society.  |l eng 
593 |a Departamento de Física de la Materia Condensada, BIFI, Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain 
593 |a Departamento de Física, FCEyN, Pabellón 1 Ciudad Universitaria, 1428 Buenos Aires, Argentina 
593 |a Departamento de Física, Facultad de Ciencias Exactas, IFLP-CONICET, CC 67, 1900 La Plata, Argentina 
700 1 |a Naón, C. 
700 1 |a Salvay, M. 
773 0 |d 2008  |g v. 77  |k n. 23  |p Phys. Rev. B Condens. Matter Mater. Phys.  |x 10980121  |t Physical Review B - Condensed Matter and Materials Physics 
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