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Strongly correlated electron liquids which occur in quantizing magnetic fields reveal a cornucopia of fascinating quantum phenomena such as fractionally charged quasiparticles, anyonic statistics, topological order, and many others. Probing…

Mesoscale and Nanoscale Physics · Physics 2010-03-09 D. A. Abanin , I. Skachko , X. Du , E. Y. Andrei , L. S. Levitov

We report the results of a computer simulation study of the thermodynamic properties and the thermal conductivity of supercooled water as a function of pressure and temperature using the TIP4P-2005 water model. The thermodynamic properties…

Statistical Mechanics · Physics 2015-06-19 F. Bresme , J. W. Biddle , J. V. Sengers , M. A. Anisimov

The quantum Hall (QH) effect in two-dimensional electron systems (2DESs) is conventionally observed at liquid-helium temperatures, where lattice vibrations are strongly suppressed and bulk carrier scattering is dominated by disorder.…

The quantum of heat conductance of ballistic one-dimensional (1D) channels, being gQ=k0T with k0=pi^2*2kB^2/3h (T - temperature, kB - Boltzmann's constant, h - Planck's constant), is an important fundamental constant. While the quantization…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 Mitali Banerjee , Moty Heiblum , Amir Rosenblatt , Yuval Oreg , Dima E. Feldman , Ady Stern , Vladimir Umansky

We argue that spin-sensitive quasiparticle scattering may generate electron-hole imbalance in superconducting structures, such as, e.g., superconducting-normal hybrids with spin-active interfaces. We elucidate a transparent physical…

Superconductivity · Physics 2014-10-03 Mikhail S. Kalenkov , Andrei D. Zaikin

We report the first observation of superconductivity in heterostructure consisting of an insulating ferroelectric film (Ba$_{0.8}$Sr$_{0.2}$TiO$_3$) grown on an insulating parent compound of La$_2$CuO$_4$ with [001] orientation. The…

We theoretically study thermal transport in an electronic interferometer comprising a parallel circuit of two quantum dots, each of which has a tunable single electronic state which are connected to two leads at different temperature.As a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Sam Young Cho , Ross H. McKenzie

We review experimental results, from transport to magnetization measurements, on different graphite samples, from bulk oriented graphite, thin graphite films to transmission electron microscope lamellae, that indicate the existence of…

Superconductivity · Physics 2013-12-17 Pablo Esquinazi

The usually negligibly small thermoelectric effects in superconducting heterostructures can be boosted dramatically due to the simultaneous effect of spin splitting and spin filtering. Building on an idea of our earlier work [Phys. Rev.…

Mesoscale and Nanoscale Physics · Physics 2015-02-20 P. Machon , M. Eschrig , W. Belzig

Quantum phase transitions typically result in a broadened critical or crossover region at nonzero temperature. Josephson arrays are a model of this phenomenon, exhibiting a superconductor-insulator transition at a critical wave impedance,…

Mesoscale and Nanoscale Physics · Physics 2023-12-05 S. Mukhopadhyay , J. Senior , J. Saez-Mollejo , D. Puglia , M. Zemlicka , J. Fink , A. P. Higginbotham

A superconducting tunnel junction is used to directly extract quasiparticles from one of the leads of a single-Cooper-pair-transistor. The consequent reduction in quasiparticle density causes a lower rate of quasiparticle tunneling onto the…

Superconductivity · Physics 2012-09-18 A. J. Ferguson

We report on a study of thermal Hall conductivity k_xy in the superconducting state of CeCoIn_5. The scaling relation and the density of states of the delocalized quasiparticles, both obtained from k_xy, are consistent with d-wave…

Superconductivity · Physics 2009-11-11 Y. Kasahara , Y. Nakajima , K. Izawa , Y. Matsuda , K. Behnia , H. Shishido , R. Settai , Y. Onuki

In this work, making use of time-resolved in situ Joule heating of a two-dimensional electron gas (2DEG) in the Corbino geometry, we report bulk thermal conductance measurements for the {\nu} = 5/2 and {\nu} = 7/3 fractional quantum Hall…

Mesoscale and Nanoscale Physics · Physics 2025-09-12 F. Boivin , M. Petrescu , Z. Berkson-Korenberg , K. W. West L. N. Pfeiffer , G. Gervais

In a hybrid Superconductor - Insulator - Normal metal tunnel junction biased just below the gap, the extraction of hot electrons out of the normal metal results in electronic cooling effect. The quasiparticles injected in the superconductor…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Bernard Pannetier , Herve' Courtois , Sukumar Rajauria

Thermal voltage noise measurements are performed in order to determine the electron temperature in nanopatterned channels of a GaAs/AlGaAs heterostructure at bath temperatures of 4.2 and 1.4 K. Two narrow two-dimensional (2D) heating…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 Sven S. Buchholz , Elmar Sternemann , Olivio Chiatti , Dirk Reuter , Andreas D. Wieck , Saskia F. Fischer

In a normal-metal/insulator/superconductor (NIS) tunnel junction refrigerator, the normal-metal electrons are cooled and the dissipated power heats the superconducting electrode. This paper presents a review of the mechanisms by which heat…

Superconductivity · Physics 2013-05-30 Galen C. O'Neil , Peter J. Lowell , Jason M. Underwood , Joel N. Ullom

Recent experimental investigations have demonstrated that doping a semiconductor is a route to increase the thermal boundary conductance at metal/semiconductor interfaces. In this work, the influence of the electrical properties on heat…

The realization of high-transition-temperature superconductivity (HTSC) confined to nanometre-sized interfaces has been a long-standing goal because of potential applications and the opportunity to study quantum phenomena in reduced…

Superconductivity · Physics 2008-11-12 J. C. Phillips

We investigate the impact of quantum and thermal phase fluctuations on the suppression of superconducting order in two-dimensional systems. Within the two-dimensional quantum XY model in the phase representation, where on-site interaction…

We studied the thermal conduction through a quantum point contact (QPC), defined in GaAs-AlGaAs heterostructure, in the presence of a transverse magnetic field. A shift in the position of thermo-voltage peak is observed with increasing…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Chengyu Yan , Michael Pepper , Patrick See , Ian Farrer , David Ritchie , Jonathan Griffiths