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Spin orbit coupling plays a non-perturbation effect in many recently developed novel fields including topological insulators and spin-orbit assistant Mott insulators. In this paper, strongly temperature-dependent spin orbit coupling,…

Materials Science · Physics 2014-06-17 Lunyong Zhang , Y. B. Chen , Jian Zhou , Shan-Tao Zhang , Zheng-bin Gu , Shu-Hua Yao , Yan-Feng Chen

Proximity-induced fine features and spin-textures of the electronic bands in graphene-based van der Waals heterostructures can be explored from the point of tailoring a twist angle. Here we study spin-orbit coupling and exchange coupling…

Mesoscale and Nanoscale Physics · Physics 2023-02-28 Karol Szałowski , Marko Milivojević , Denis Kochan , Martin Gmitra

The quasi-two-dimensional electron gas found at the LaAlO3/SrTiO3 interface offers exciting new functionalities, such as tunable superconductivity, and has been proposed as a new nanoelectronics fabrication platform. Here we lay out a new…

Strongly Correlated Electrons · Physics 2015-05-14 A. D. Caviglia , M. Gabay , S. Gariglio , N. Reyren , C. Cancellieri , J. -M. Triscone

Both the highest- and the linear temperature dependence of the resistivity in wide temperature range appear at the optimally doped regions of Cu-based superconductors1,2,3,4,5, and the highest- of Fe-based superconductors6,7 are also…

General Physics · Physics 2009-05-06 Tian De Cao

Spin-orbit coupling is an important ingredient in many recently discovered phenomena such as the spin-Hall effect and topological insulators. Of particular interest is topological superconductivity, with its potential application in…

Quantum Gases · Physics 2011-04-28 Jay D. Sau , Rajdeep Sensarma , Stephen Powell , I. B. Spielman , S. Das Sarma

Ballistic Josephson junctions are studied in the presence of a spin-splitting field and spin-orbit coupling. A generic expression for the quasi-classical Green's function is obtained and with its help we analyze several aspects of the…

Superconductivity · Physics 2016-07-27 François Konschelle , Ilya V. Tokatly , F. Sebastián Bergeret

We investigate phase-coherent thermal transport in Josephson junctions made from unconventional superconductors or superfluids. The thermal conductance is evaluated for one- and two-dimensional junctions within the Bogoliubov-de Gennes…

Mesoscale and Nanoscale Physics · Physics 2019-07-09 Alexander G. Bauer , Björn Sothmann

The effects of the charging energy in the superconducting transition of granular materials or Josephson junction arrays is investigated using a pseudospin one model. Within a mean-field renormalization-group approach, we obtain the phase…

Condensed Matter · Physics 2009-10-22 E. Granato , M. A. Continentino

A superconductor with interacting paramagnetic impurities is considered. The impurities are coupled via the Ruderman-Kittel-Kasuya-Yoshida interaction. At a temperature Tg, the system of magnetic impurities forms a spin-glass state. We…

Superconductivity · Physics 2009-11-07 Victor Galitski , A. I. Larkin

The electron transport though ferromagnetic metal-superconducting hybrid devices is considered in the non-equilibrium Green's function formalism in the quasiclassical approximation. Attention if focused on the limit in which the exchange…

Superconductivity · Physics 2009-10-31 W. Belzig , Arne Brataas , Yu. V. Nazarov , Gerrit E. W. Bauer

A spin field effect transistor (FET) is proposed by utilizing a graphene nanoribbon as the channel. Similar to the conventional spin FETs, the device involves ferromagnetic metals as a source and drain; they, in turn, are connected to the…

Materials Science · Physics 2007-07-23 Y. G. Semenov , K. W. Kim , J. M. Zavada

We investigate the thermoelectric properties of electrons at the interface of oxide heterostructure and in the presence of a multiferroic oxide with spiral spin order. We find there is no (spin) Hall current generated by the temperature…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Chenglong Jia , Jamal Berakdar

Superconductor--semiconductor hybrid devices are currently attracting much attention, fueled by the fact that strong spin--orbit interaction in combination with induced superconductivity can lead to exotic physics with potential…

Mesoscale and Nanoscale Physics · Physics 2023-02-22 Jonas Lidal , Jeroen Danon

In the systems ferromagnet/superconductor ([Fe, Ni]/In), the temperature dependent transport has been investigated within the temperature range including superconducting transition temperature for Indium. It has been found that when Indium…

Superconductivity · Physics 2007-05-23 Yu. N. Chiang , O. G. Shevchenko , R. N. Kolenov

Compensated ferrimagnets enable ferromagnet-like spin transport without net magnetization. We study the spin Seebeck effect in a compensated ferrimagnet/normal-metal junction using a four-sublattice model in which sublattice inequivalence…

Mesoscale and Nanoscale Physics · Physics 2026-05-12 Xin Theng Lee , Takahiro Misawa , Mamoru Matsuo , Takeo Kato

Spin Hall effect due to random Rashba spin-orbit coupling in the two-dimensional honeycomb lattice of carbon atoms (graphene) is considered theoretically. Using the Green function method and diagrammatic technique we show that fluctuations…

Mesoscale and Nanoscale Physics · Physics 2012-11-26 A. Dyrdal , J. Barnas

A caloritronic device setup is proposed that harnesses the intrinsic spin-valley locking of two-dimensional honeycomb lattices with graphene-like valleys, for instance, silicene and stanene. Combining first-principles and analytic…

Materials Science · Physics 2020-03-18 Parijat Sengupta , Shaloo Rakheja

The theory of the I-V characteristics in diffusive superconductor/weak ferromagnet/superconductor (SFS) junction is developed. We show that the exchange field $h$ of the ferromagnet manifests itself as an additional conductance peak at $eV…

Superconductivity · Physics 2009-11-11 I. V. Bobkova , A. M. Bobkov

We study nonlocal thermoelectricity in a superconducting wire subject to spin-orbit coupling and a magnetic field with a relative orientation $\theta$ between them. We calculate the current flowing in a normal probe attached to the bulk of…

Mesoscale and Nanoscale Physics · Physics 2024-08-19 Juan Herrera Mateos , Leandro Tosi , Alessandro Braggio , Fabio Taddei , Liliana Arrachea

Graphene consists in a single-layer carbon crystal where 2$p_z$ electrons display a linear dispersion relation in the vicinity of the Fermi level, conveniently described by a massless Dirac equation in $2+1$ spacetime. Spin-orbit effects…

Mesoscale and Nanoscale Physics · Physics 2017-04-04 B. Berche , F. Mireles , E. Medina
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