English
Related papers

Related papers: Current-induced forces and hot-spots in biased nan…

200 papers

An increasing current through a superconductor can result in a discontinuous increase in the differential resistance at the critical current. This critical current is typically associated either with breaking of Cooper-pairs (de-pairing) or…

Superconductivity · Physics 2020-07-01 Adam Doron , Tal Levinson , Franzisca Gorniaczyk , Idan Tamir , Dan Shahar

We consider exciton- and light-induced current in molecular nanojunctions. Using a model comprising a two two-level sites bridge connecting free electron reservoirs we show that the exciton coupling between the sites of the molecular bridge…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 B. D. Fainberg , P. Hanggi , S. Kohler , A. Nitzan

We show the existence of Fano resonances in the context of near-field radiative heat transfer, which enable the strong suppression and enhancement of the spectral heat flux at specific wavelengths. This is demonstrated by making use of the…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 Jaime E Perez Rodriguez , Giuseppe Pirruccio , Raul Esquivel-Sirvent

We report on the switching current distributions in nano-hybrid Josephson junctions made of InAs semiconductor nanowires. Temperature dependence of the switching current distribution can be understood by motion of Josephson phase particle…

Superconductivity · Physics 2017-01-17 Bum-Kyu Kim , Yong-Joo Doh

The Josephson diode effect, where the critical current magnitude depends on its direction, arises when both time-reversal and inversion symmetries are broken - often achieved by a combination of spin-orbit interaction and applied magnetic…

Mesoscale and Nanoscale Physics · Physics 2025-02-13 Gerrit Behner , Abdur Rehman Jalil , Detlev Grützmacher , Thomas Schäpers

Intrinsic Josephson junctions in high-temperature superconductor Bi2Sr2CaCu2O8 are known for their capability to emit high-power terahertz photons with widely tunable frequencies. Hotspots, as inhomogeneous temperature distributions across…

Superconductivity · Physics 2020-07-15 Xianjing Zhou , Xu Han , Dieter Koelle , Reinhold Kleiner , Xufeng Zhang , Dafei Jin

We investigate transport properties through nano-ribbons of thin topological insulators irradiated by high frequency light with circular polarization. By using high frequency regime, a coherent and quantized transport through the…

Mesoscale and Nanoscale Physics · Physics 2023-04-19 Zahra Askarpour , Hosein Cheraghchi

The comprehensive depiction of the many-body effects governing nanoconfined electrolytes is an essential step for the conception of nanofluidic devices with optimized performance. By incorporating self-consistently multivalent charges into…

Soft Condensed Matter · Physics 2020-12-14 Sahin Buyukdagli

We show that Joule heating causes current-controlled negative differential resistance (CC-NDR) in TiO2 by constructing an analytical model of the voltage-current V(I) characteristic based on polaronic transport for Ohm's Law and Newton's…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 A. S. Alexandrov , A. M. Bratkovsky , B. Bridle , S. E. Savel'ev , D. B. Strukov , R. Stanley Williams

We analyze Cooper pairing instabilities in strongly driven electron-phonon systems. The light-induced non-equilibrium state of phonons results in a simultaneous increase of the superconducting coupling constant and the electron scattering.…

Superconductivity · Physics 2016-12-16 Michael Knap , Mehrtash Babadi , Gil Refael , Ivar Martin , Eugene Demler

The use of magnetic fields to improve the performance of hohlraum-driven implosions on the National Ignition Facility (NIF) is discussed. The focus is on magnetically insulated inertial confinement fusion (ICF), where the primary field…

The level of current non-uniformity in NbTi CICCs sections near the joints in combination with the magnet field profile needs attention in view of proper joint design. The strand Joule power and current distribution at quench under DC…

Accelerator Physics · Physics 2015-05-30 G. Rolando , E. P. A. van Lanen , A. Nijhuis

We present the transport properties of a strongly correlated quantum dot attached to two leads with a side coupled non-interacting quantum dot. Transport properties are analyzed using the slave boson mean field theory which is reliable in…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 B. H. Wu , J. C. Cao , Kang-Hun Ahn

The recent discovery of inverse current in coupled transport (ICC) in classical systems~\textcolor{blue}{[\textbf{Phys. Rev. Lett.} \textbf{124}, 110607 (2020)]} -- where an induced current flows opposite to two mutually parallel…

Quantum Physics · Physics 2026-03-27 Shuvadip Ghosh , Nikhil Gupt , Arnab Ghosh

Superconducting diodes, characterized by nonreciprocal supercurrent transport, offer transformative opportunities for ultra-low-power circuits. However, achieving reliable operation at temperatures above liquid nitrogen remains a major…

The Josephson effect represents perhaps the prototype of macroscopic phase coherence and is at the basis of the most widespread interferometer, i.e., the superconducting quantum interference device (SQUID). Yet, in analogy to electric…

Mesoscale and Nanoscale Physics · Physics 2013-03-21 F. Giazotto , M. J. Martinez-Perez

We present the results of theoretical study of Current-Phase Relations (CPR) in Josephson junctions of SIsFS type, where 'S' is a bulk superconductor and 'IsF' is a complex weak link consisting of a superconducting film 's', a metallic…

Superconductivity · Physics 2015-06-17 S. V. Bakurskiy , N. V. Klenov , I. I. Soloviev , M. Yu. Kupriyanov , A. A. Golubov

Microfabricated Paul ion traps show tremendous promise for large-scale quantum information processing. However, motional heating of ions can have a detrimental effect on the fidelity of quantum logic operations in miniaturized, scalable…

Quantum Physics · Physics 2021-12-08 J. A. Sedlacek , J. Stuart , W. Loh , R. McConnell , C. D. Bruzewicz , J. M. Sage , J. Chiaverini

We present measurements of current noise in quantum point contacts as a function of source-drain bias, gate voltage, and in-plane magnetic field. At zero bias, Johnson noise provides a measure of the electron temperature. At finite bias,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 L. DiCarlo , Yiming Zhang , D. T. McClure , D. J. Reilly , C. M. Marcus , L. N. Pfeiffer , K. W. West , M. P. Hanson , A. C. Gossard

Thermoelectric manipulation of the magnetization of a magnetic layered stack in which a low-Curie temperature magnet is sandwiched between two strong magnets (exchange spring device) is considered. Controllable Joule heating produced by a…

Mesoscale and Nanoscale Physics · Physics 2015-07-22 A. M. Kadigrobov , R. I. Shekhter , M. Jonson