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Related papers: Thermopower with broken time-reversal symmetry

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Anomalously large thermopower of mesoscopic normal-metal/superconductor interferometers has been investigated by Chandrasekhar et al. It was shown that, depending on the geometry of the interferometer, the thermopower is either symmetric or…

Mesoscale and Nanoscale Physics · Physics 2009-02-26 M. Titov

We investigate Aharonov-Bohm-type oscillations of the thermopower of a quantum dot embedded in a ring for the case when the interaction between electrons can be neglected. The thermopower is shown to be strongly flux dependent, and…

Condensed Matter · Physics 2009-10-28 Ya. M. Blanter , C. Bruder , Rosario Fazio , Herbert Schoeller

We investigate thermoelectric efficiency of systems with broken time reversal symmetry under a three-terminal transport. Using a model of Aharonov-Bohm interferometer formed with three noninteracting quantum dots, we show that Carnot…

Mesoscale and Nanoscale Physics · Physics 2013-04-11 Vinitha Balachandran , Giuliano Benenti , Giulio Casati

We study the thermopower of diffusive Andreev interferometers, which are hybrid loops with one normal-metal arm and one superconducting arm. The thermopower oscillates as a function of the magnetic flux through the loop with a fundamental…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Zhigang Jiang , Venkat Chandrasekhar

Unlike charge, heat flows are difficult to control. We show that, in mesoscopic conductors, electronic thermal currents can be manipulated with a magnetic field by using the Aharonov-Bohm effect: the magnetic control of the interference…

Mesoscale and Nanoscale Physics · Physics 2024-09-09 José Balduque , Adrián Mecha , Rafael Sánchez

The general equation for the flux of an electrolyte in solution in the presence of an external magnetic field was derived mathematically in accordance with the Onsager formalism of irreversible thermodynamics. The time reversal symmetry was…

Chemical Physics · Physics 2007-05-23 A. Eftekhari

We here present the complete analysis of experiments on driven Brownian motion and electric noise in a $RC$ circuit, showing that thermodynamic entropy production can be related to the breaking of time-reversal symmetry in the statistical…

Statistical Mechanics · Physics 2009-11-13 David Andrieux , Sergio Ciliberto , Nicolas Garnier , Pierre Gaspard , Sylvain Joubaud , Artyom Petrosyan

We show that superconductors with broken time-reversal symmetry have very specific magnetic and electric responses to inhomogeneous heating. A local heating of such superconductors induces a magnetic field with a profile that is sensitive…

Superconductivity · Physics 2016-03-18 Julien Garaud , Mihail Silaev , Egor Babaev

We report on the thermopower of an Aharonov-Bohm interferometer (AB) with a quantum dot in the Kondo limit. The thermopower is anomalously enhanced due to the Kondo effect as in heavy fermion systems. In contrast to the bulk systems, the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Tae-Suk Kim , S. Hershfield

We theoretically investigate coherent oscillations of the thermopower $\mathcal{S}$ as a function of the magnetic flux $\Phi$ in six-terminal Andreev interferometers. We demonstrate that the thermopower behavior is determined by a number of…

Mesoscale and Nanoscale Physics · Physics 2018-08-16 Pavel E. Dolgirev , Mikhail S. Kalenkov , Andrei D. Zaikin

Asymmetric magnetization reversal is an unusual phenomenon in antiferromagnet / ferromagnet (AF/FM) exchange biased bilayers. We investigated this phenomenon in a simple model system experimentally and by simulation assuming inhomogeneously…

Materials Science · Physics 2009-11-11 Zhi-Pan Li , Oleg Petracic , Rafael Morales , Justin Olamit , Xavier Batlle , Kai Liu , Ivan K. Schuller

In this paper, we study the behavior of the transmission zeros in the closed Aharonov-Bohm(AB) interferometer with an embedded scattering center in one arm and the corresponding change in the transmission phase when the time-reversal…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Tae-Suk Kim , Sam Young Cho , Chul Koo Kim , Chang-Mo Ryu

Andreev interferometers, normal metal wires coupled to superconducting loops, display phase coherent changes as the magnetic flux through the superconducting loops is altered. Properties such as the electronic and thermal conductance of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 P. Cadden-Zimansky , Z. Jiang , V. Chandrasekhar

We examine the efficiency of an effective two-terminal thermoelectric device under broken time-reversal symmetry. The setup is derived from a three-terminal thermoelectric device comprising a thermal terminal and two electronic contacts,…

Mesoscale and Nanoscale Physics · Physics 2016-09-14 Kaoru Yamamoto , Ora Entin-Wohlman , Amnon Aharony , Naomichi Hatano

We demonstrate that in the thermostatted three-dimensional Lorentz gas the symmetry of the Lyapunov spectrum can be broken by adding to the system an external magnetic field not perpendicular to the electric field. For perpendicular field…

Chaotic Dynamics · Physics 2009-10-31 M. Dolowschiak , Z. Kovacs

The magnetization of a system of many mesoscopic rings under non-equilibrium conditions is considered. The corresponding disorder-averaged current in a ring is shown to be a sum of the `thermodynamic' and `kinetic' contributions both…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 O. L. Chalaev , V. E. Kravtsov

Studying the influence of breaking time-reversal symmetry on topological insulator surface states is an important problem of current interest in condensed matter physics and could provide a route toward proof-of-concept spintronic devices…

Mesoscale and Nanoscale Physics · Physics 2019-03-15 Joon Sue Lee , Anthony Richardella , Robert D. Fraleigh , Chao-xing Liu , Weiwei Zhao , Nitin Samarth

We report on observation of the time reversal symmetry breaking in unpolarized neutrons scattering experiment. Neutron transmittivity through the system consisting of two magnetic mirrors placed in an external magnetic field is measured.…

Mesoscale and Nanoscale Physics · Physics 2015-03-26 D. A. Tatarskiy , A. V. Petrenko , S. N. Vdovichev , O. G. Udalov , Yu. V. Nikitenko , A. A. Fraerman

The microreversibility principle implies that the conductance of a two-terminal Aharonov-Bohm interferometer is an even function of the applied magnetic flux. Away from linear response, however, this symmetry is not fulfilled and the…

Mesoscale and Nanoscale Physics · Physics 2010-04-29 Jong Soo Lim , David Sanchez , Rosa Lopez

We investigate the thermoelectric performance of minimally nonlinear irreversible heat engines with broken time-reversal symmetry (TRS), realized through voltage and voltage-temperature probe configurations. Our framework extends the…

Mesoscale and Nanoscale Physics · Physics 2025-07-04 Jayasmita Behera , Salil Bedkihal , Bijay Kumar Agarwalla , Malay Bandyopadhyay
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