English
Related papers

Related papers: Phase-coherent heat circulator based on multi-term…

200 papers

We propose theoretically a thermal switch operating by the magnetic-flux controlled diffraction of phase-coherent heat currents in a thermally biased Josephson junction based on a two-dimensional topological insulator. For short junctions,…

Mesoscale and Nanoscale Physics · Physics 2017-03-02 Björn Sothmann , Francesco Giazotto , Ewelina M. Hankiewicz

We theoretically put forward the concept of a phase-controlled superconducting heat-flux quantum modulator. Its operation relies on phase-dependent heat current predicted to occur in temperature-biased Josephson tunnel junctions. The device…

Mesoscale and Nanoscale Physics · Physics 2012-10-02 F. Giazotto , M. J. Martinez-Perez

We theoretically investigate the phase-dependent heat transport of a temperature-biased granular Josephson junction in the presence of a perpendicular magnetic field. We illustrate the influence of geometry of the junction on the thermal…

Superconductivity · Physics 2019-06-13 Elaheh Afsaneha , Heshmatolah Yavari

Since its recent foundation, phase-coherent caloritronics has sparkled continuous interest giving rise to numerous concrete applications. This research field deals with the coherent manipulation of heat currents in mesoscopic…

Mesoscale and Nanoscale Physics · Physics 2018-08-20 Claudio Guarcello , Paolo Solinas , Alessandro Braggio , Francesco Giazotto

Josephson tunnel junctions are proposed as efficient phase-tunable thermal rectifiers. The latter exploit the strong temperature dependence of the superconducting density of states and phase-dependence of heat currents flowing through…

Mesoscale and Nanoscale Physics · Physics 2013-05-20 M. J. Martinez-Perez , F. Giazotto

We investigate heat circulators where a phase coherent region is contacted by three leads that are either normal- or superconducting. A magnetic field, and potentially the superconducting phases, allow to control the preferential direction…

Mesoscale and Nanoscale Physics · Physics 2021-02-05 Matteo Acciai , Fatemeh Hajiloo , Fabian Hassler , Janine Splettstoesser

We theoretically investigate heat transport in temperature-biased Josephson tunnel junctions in the presence of an in-plane magnetic field. In full analogy with the Josephson critical current, the phase-dependent component of the heat flux…

Mesoscale and Nanoscale Physics · Physics 2013-09-12 F. Giazotto , M. J. Martinez-Perez , P. Solinas

We propose a heat valve based on the interplay between thermal transport and proximity-induced exchange splitting in Josephson tunnel junctions. We demonstrate that the junction heat conductance strongly depends on the relative alignment of…

Mesoscale and Nanoscale Physics · Physics 2013-04-09 F. Giazotto , F. S. Bergeret

Since the the first studies of thermodynamics, heat transport has been a crucial element for the understanding of any thermal system. Quantum mechanics has introduced new appealing ingredients for the manipulation of heat currents, such as…

Superconductivity · Physics 2018-03-19 Giuliano Timossi , Antonio Fornieri , Federico Paolucci , Claudio Puglia , Francesco Giazotto

The emerging field of phase-coherent caloritronics (from the Latin word "calor", i.e., heat) is based on the possibility to control heat currents using the phase difference of the superconducting order parameter. The goal is to design and…

Mesoscale and Nanoscale Physics · Physics 2017-10-09 Antonio Fornieri , Francesco Giazotto

Two superconductors coupled by a weak link support an equilibrium Josephson electrical current which depends on the phase difference $\varphi$ between the superconducting condensates [1]. Yet, when a temperature gradient is imposed across…

Mesoscale and Nanoscale Physics · Physics 2017-05-25 Antonio Fornieri , Giuliano Timossi , Pauli Virtanen , Paolo Solinas , Francesco Giazotto

We provide a brief and comprehensive overview over recent developments in the field of phase-coherent caloritronics in ordinary and topological Josephson junctions. We start from the simple case of a short, one-dimensional…

Mesoscale and Nanoscale Physics · Physics 2020-02-13 Sun-Yong Hwang , Björn Sothmann

Mesoscopic multi-terminal Josephson junctions are novel devices that provide weak coupling between several bulk superconductors through a common normal layer. Because of the nonlocal coupling of the superconducting banks, a current flow…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 M. H. S. Amin , A. N. Omelyanchouk , A. Blais , A. Maassen van den Brink , G. Rose , T. Duty , A. M. Zagoskin

We discuss heat transport through a Josephson tunnel junction under various bias conditions. We first derive the formula for the cooling power of the junction valid for arbitrary time dependence of the Josephson phase. Combining it with the…

Mesoscale and Nanoscale Physics · Physics 2013-04-04 Dmitry Golubev , Timothé Faivre , Jukka P. Pekola

A tunable and balanced heat interferometer is proposed and analyzed. The device consists of two superconductors linked together to form a double-loop interrupted by three Josephson junctions coupled in parallel. Both superconductors are…

Superconductivity · Physics 2015-06-11 M. J. Martinez-Perez , F. Giazotto

We discuss how phase coherence manifests in the heat transport through superconducting single and multichannel Josephson junctions in time dependent situations. We consider the heat current driven through the junction by a temperature…

Superconductivity · Physics 2015-03-02 P. Virtanen , F. Giazotto

Macroscopic quantum phase coherence has one of its pivotal expressions in the Josephson effect [1], which manifests itself both in charge [2] and energy transport [3-5]. The ability to master the amount of heat transferred through two…

Mesoscale and Nanoscale Physics · Physics 2016-03-10 Antonio Fornieri , Christophe Blanc , Riccardo Bosisio , Sophie D'Ambrosio , Francesco Giazotto

A superconductor/normal metal/superconductor Josephson junction is a coherent electron system where the thermodynamic entropy depends on temperature and phase difference across the weak-link. Here, exploiting the phase-temperature…

Mesoscale and Nanoscale Physics · Physics 2019-03-04 Francesco Vischi , Matteo Carrega , Pauli Virtanen , Elia Strambini , Alessandro Braggio , Francesco Giazotto

We discuss heat transport in thermally-biased long Josephson tunnel junctions in the presence of an in-plane magnetic field. In full analogy with the Josephson critical current, the phase-dependent component of the heat current through the…

Superconductivity · Physics 2016-09-06 Claudio Guarcello , Francesco Giazotto , Paolo Solinas

A 1D Josephson junction loop, doped with a spin-flipper and attached to two thermal reservoirs, operates as a heat engine or a refrigerator, a Joule pump, or even a cold pump. When operating as a quantum heat engine, the efficiency of this…

Statistical Mechanics · Physics 2022-06-13 Subhajit Pal , Colin Benjamin
‹ Prev 1 2 3 10 Next ›