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Related papers: Phase-coherent solitonic Josephson heat oscillator

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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

We investigate the coherent energy and thermal transport in a temperature-biased long Josephson tunnel junction, when a Josephson vortex, i.e., a soliton, steadily drifts driven by an electric bias current. We demonstrate that thermal…

Mesoscale and Nanoscale Physics · Physics 2018-09-06 Claudio Guarcello , Paolo Solinas , Alessandro Braggio , Francesco Giazotto

We theoretically propose a phase-coherent thermal circulator based on ballistic multiterminal Josephson junctions. The breaking of time-reversal symmetry by either a magnetic flux or a superconducting phase bias allows heat to flow…

Mesoscale and Nanoscale Physics · Physics 2018-10-30 Sun-Yong Hwang , Francesco Giazotto , Björn Sothmann

We explore the coherent thermal transport sustained by solitons through a long Josephson junction, as a thermal gradient across the system is established. We observe that a soliton causes the heat current through the system to increase.…

Mesoscale and Nanoscale Physics · Physics 2018-03-22 Claudio Guarcello , Paolo Solinas , Alessandro Braggio , 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

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

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 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 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

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

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

Quantum fluids of light are an emerging platform for energy efficient signal processing, ultra-sensitive interferometry and quantum simulators at elevated temperatures. Here we demonstrate the optical control of the topological excitations…

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

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 describe here the first experimental realization of a heat interferometer, thermal counterpart of the well-known superconducting quantum interference device (SQUID). These findings demonstrate, on the first place, the existence of…

Superconductivity · Physics 2014-05-09 M. J. Martínez-Pérez , P. Solinas , F. Giazotto

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

The design of a mesoscopic self-oscillating heat engine that works thanks to purely quantum effects is presented. The proposed scheme is amenable to experimental implementation with current state-of-the-art nanotechnology and materials. One…

Mesoscale and Nanoscale Physics · Physics 2016-11-30 G. Marchegiani , P. Virtanen , F. Giazotto , M. Campisi

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 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 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
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