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Related papers: Thermopower induced by a supercurrent in supercond…

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We analyse the possibility of the appearance of spontaneous currents in proximated superconducting/normal metal (S/N) heterostructure when Cooper pairs penetrate into the normal metal from the superconductor. In particular, we calculate the…

Superconductivity · Physics 2021-03-02 Anatoly F. Volkov , Ilya M. Eremin

We study thermal conductance and thermopower of a metallic single-electron transistor beyond the limit of weak tunnel coupling. Employing both a systematic second-order perturbation expansion and a non-perturbative approximation scheme, we…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Björn Kubala , Jürgen König

We consider a model NISIN system with two junctions in series, where N is a normal metal, S is a superconductor and I is an insulator. We assume that the resistance of the first junction is high, while the resistance of the second one is…

Superconductivity · Physics 2012-04-13 D. S. Golubev , A. S. Vasenko

Thermodynamic and transport properties of mesoscopic conductors are strongly influenced by the proximity of a superconductor: An interplay between the large scale quantum coherent wave functions in the normal mesoscopic and the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Alexander Altland , B. D. Simons , D. Taras-Semchuk

Motivated by the unique dispersions close to the two dimensional band crossing in a topologically charged nodal surface semimetal (NSSM) spectrum, we perform theoretical analysis of quantum tunnelling through a junction consisting of such…

Mesoscale and Nanoscale Physics · Physics 2026-01-27 Bhaskar Pandit , Debabrata Sinha , Satyaki Kar

Superconductivity of a micron-sized hydride sample measured between metal probes under extreme pressure could be considered as a macroscopic quantum tunnelling phenomenon through metal-hydride-metal. The energy barrier height of hydride is…

Superconductivity · Physics 2026-04-21 Xiaozhi Hu

We study the thermopower of a quantum dot weakly coupled to two reservoirs by tunnel junctions. At low temperatures the transport through the dot is suppressed by charging effects (Coulomb blockade). As a result the thermopower shows an…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 M. Turek , K. A. Matveev

We analyze the heat current traversing a quantum dot sandwiched between a ferromagnetic and a superconducting electrode. The heat flow generated in response to a voltage bias presents rectification as a function of the gate potential…

Mesoscale and Nanoscale Physics · Physics 2018-04-24 Sun-Yong Hwang , David Sanchez

It was recently demonstrated the possibility to tune, through the application of a control gate voltage, the superconducting properties of mesoscopic devices based on Bardeen-Cooper-Schrieffer metals. In spite of the several experimental…

Mesoscale and Nanoscale Physics · Physics 2021-03-09 Claudio Puglia , Giorgio De Simoni , Francesco Giazotto

We calculate the thermopower of a quantum dot described by two doublets hybridized with two degenerate bands of two conducting leads, conserving orbital (band) and spin quantum numbers, as a function of the temperature $T$ and a splitting…

Strongly Correlated Electrons · Physics 2012-10-23 P. Roura-Bas , L. Tosi , A. A. Aligia , P. S. Cornaglia

Although the electrical transport properties of mesoscopic metallic samples have been investigated extensively over the past two decades, the thermal properties have received far less attention. This may be due in part to the difficulty of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 D. A. Dikin , S. Jung , V. Chandrasekhar

Strong coupling between electronic and mechanical degrees of freedom is a basic requirement for the operation of any nanoelectromechanical device. In this Review we consider such devices and in particular investigate the properties of small…

Mesoscale and Nanoscale Physics · Physics 2010-04-07 Robert I. Shekhter , Fabio Santandrea , Gustav Sonne , Leonid Y. Gorelik , Mats Jonson

The smaller the system, typically - the higher is the impact of fluctuations. In narrow superconducting wires sufficiently close to the critical temperature Tc thermal fluctuations are responsible for the experimentally observable finite…

Superconductivity · Physics 2012-05-25 K. Yu. Arutyunov , T. T. Hongisto , J. S. Lehtinen , L. I. Leino , A. L. Vasiliev

In order to specify a nonequilibrium steady state of a quantum wire (QWR), one must connect reservoirs to it. Since reservoirs should be large 2d or 3d systems, the total system is a large and inhomogeneous 2d or 3d system, in which e-e…

Mesoscale and Nanoscale Physics · Physics 2016-06-21 Akira Shimizu , Hiroaki Kato

For a superconductor to be able to receive an external magnetic field, there must be a vacant energy state in the superconductor to receive the energy associated with the field. For a small range of energies near that of the critical…

Superconductivity · Physics 2012-12-04 Ralph C. Dougherty , J. Daniel Kimel

In a previous work, we predicted that a thermally biased tunnel junction between two different superconductors can display a thermoelectric effect of nonlinear nature in the temperature gradient, under proper conditions. In this work we…

Mesoscale and Nanoscale Physics · Physics 2020-06-11 G. Marchegiani , A. Braggio , F. Giazotto

Using tunneling spectroscopy, we have measured the local electron energy distribution function in the normal part of a superconductor-normal metal-superconductor (SNS) Josephson junction containing an extra lead to a normal reservoir. In…

Superconductivity · Physics 2009-11-11 M. S. Crosser , Pauli Virtanen , Tero T. Heikkilä , Norman O. Birge

We show that a huge thermoelectric effect can be observed by contacting a superconductor whose density of states is spin-split by a Zeeman field with a ferromagnet with a non-zero polarization. The resulting thermopower exceeds $k_B/e$ by a…

Superconductivity · Physics 2014-02-10 A. Ozaeta , P. Virtanen , F. S. Bergeret , T. T. Heikkilä

The thermopower in a two-dimensional semimetal existing in HgTe quantum wells 18-21 nm thick has been studied experimentally and theoretically for the first time. It has been found theoretically and experimentally that the thermopower has…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 E. B. Olshanetsky , Z. D. Kvon , M. V. Entin , L. I. Magarill , A. Levin , G. M. Gusev , N. N. Mikhailov

The interfaces of quantum Hall insulators with superconductors have emerged as a promising platform to realise interesting physics that may be relevant for topologically protected quantum computing. However, these interfaces can host other…

Mesoscale and Nanoscale Physics · Physics 2025-10-14 Jordan T. McCourt , John Chiles , Chun-Chia Chen , Kenji Watanabe , Takashi Tanaguchi , Francois Amet , Gleb Finkelstein