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We numerically investigate finite-momentum superconductivity in noncentrosymmetric metallic altermagnets with $d$-wave spin-splitting and strong Rashba-type spin-orbit coupling. Focusing on a stripe phase in which Cooper pairs acquire…

Superconductivity · Physics 2026-04-21 Kohei Mukasa , Yusuke Masaki

Despite its extremely weak intrinsic spin-orbit coupling (SOC), graphene has been shown to acquire considerable SOC by proximity coupling with exfoliated transition metal dichalcogenides (TMDs). Here we demonstrate strong induced Rashba SOC…

We analyze theoretically optical generation of a spin-polarized charge current (photogalvanic effect) and spin polarization in graphene with Rashba spin-orbit coupling. An external magnetic field is applied in the graphene plane, which…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 M. Inglot , V. K. Dugaev , E. Ya. Sherman , J. Barnaś

Spin-orbit interaction (SOI) in low-dimensional systems, namely Rashba systems and the edge states of topological materials, is extensively studied in this decade as a promising source to realize various fascinating spintronic phenomena,…

We investigate the spin-resolved transport in a two-terminal zigzag graphene nanoribbon device with two independent gate induced Rashba spin-orbit coupling regions and in the presence of strain. By employing a recursive Green's function…

Mesoscale and Nanoscale Physics · Physics 2016-09-28 G. S. Diniz , E. Vernek , F. M. Souza

We propose a new type of the spin Seebeck effect (SSE) emerging from the Rashba spin-orbit coupling in asymmetric four-terminal electron systems. This system generates spin currents or spin voltages along the longitudinal direction parallel…

Mesoscale and Nanoscale Physics · Physics 2016-02-11 Jun Zhou , Biao Wang , Mengjie Li , Tsuneyoshi Nakayama , Baowen Li

We study the room-temperature electrical control of charge and spin transport in high-quality bilayer graphene, fully encapsulated with hBN and contacted via 1D spin injectors. We show that spin transport in this device architecture is…

We investigate the effect of strong spin-orbit interaction on the electronic transport through non-magnetic impurities in one-dimensional systems. When a perpendicular magnetic field is applied, the electron spin polarization becomes…

Materials Science · Physics 2007-05-23 R. G. Pereira , E. Miranda

We study the connection between the spin-heat and spin-charge response in a disordered Fermi gas with spin-orbit coupling. It is shown that the ratio between the above responses can be expressed as the thermopower $S=-(\pi…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 J. Borge , C. Gorini , R. Raimondi

We present both theory and numerical-computation results for the transmission and reflection probability currents of a charged particle across a potential step in the presence of a Rashba spin-orbit interaction. By varying kinetic energy…

Mesoscale and Nanoscale Physics · Physics 2022-03-22 Po-Hsin Shih , Godfrey Gumbs , Danhong Huang , Andrii Iurov , Yonatan Abranyos

We develop a theory of designing slit experiments in two-dimensional electron systems with the Rashba spin-orbit interaction. By simulating the spatiotemporal dynamics of electrons passing through a single slit or a double slit, we find…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 Kotaro Shimizu , Masahito Mochizuki

Graphene is a promising candidate for applications in spintronics. In this paper, Density Functional Theory method is used to calculate the band structure and magnetic properties of graphene on Ni(111). Our results show that once there is…

Materials Science · Physics 2012-11-21 Chenhao Jin , Zhen Bi , Zonghai Hu , Ji Feng , Enge Wang

We study a system composed of a quantum dot in contact with ferromagnetic leads, held at different temperatures. Spin analogues to the thermopower and thermoelectric figures of merit are defined and studied as a function of junction…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Y. Dubi , M. Di Ventra

We study spin dependent phonomena in superconducting junctions in both ballistic and diffusive regimes. For ballistic junctions we study both ferromagnet / $s$- and d-wave superconductor junctions and two dimensional electron gas / s-wave…

Superconductivity · Physics 2009-11-11 T. Yokoyama , Y. Tanaka

Intensive research has focused on harnessing the potential of graphene for electronic, optoelectronic, and spintronic devices by generating a bandgap at the Dirac point and enhancing the spin-orbit interaction in the graphene layer.…

Here we report spin- and angle-resolved photoemission studies of the inert graphene layer formed on the surface of a ferromagnetic material, Ni(111). X-ray photoemission and spin-resolved spectroscopy of secondary electrons reveal that…

Materials Science · Physics 2008-06-10 Yu. S. Dedkov , M. Fonin , U. Rüdiger , C. Laubschat

The effects of intrinsic spin-orbit and Coulomb interactions on low-energy properties of finite width graphene armchair ribbons are studied by means of a Dirac Hamiltonian. It is shown that metallic states subsist in the presence of…

Strongly Correlated Electrons · Physics 2012-02-01 Mahdi Zarea , Nancy Sandler

In the current work we have investigated the influence of the Rashba spin-orbit coupling on spin-current of a single layer gapped graphene. It was shown that the Rashba coupling has a considerable role in generation of the spin-current of…

Mesoscale and Nanoscale Physics · Physics 2015-07-20 K. Hasanirokh , J. Azizi , A. Phirouznia , H. Mohammadpour

Rhombohedral graphene multilayers host various broken-symmetry metallic phases as well as superconductors whose pairing mechanism and order parameter symmetry remain unsettled. Strikingly, experiments have revealed prominent new…

Superconductivity · Physics 2025-07-08 Zhiyu Dong , Étienne Lantagne-Hurtubise , Jason Alicea

Spin polarization induced by a temperature gradient (heat-current) in a magnetized two-dimensional electron gas (2DEG) with Rashba spin-orbit interaction is considered theoretically within the linear response theory. Using the Matsubara…

Mesoscale and Nanoscale Physics · Physics 2018-08-15 A. Dyrdal , J. Barnas , V. K. Dugaev , J. Berakdar