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In conventional superconductors, bulk physical properties typically degrade as the film thickness approaches the two-dimensional (2D) limit. Here in the (111) oriented LaAlO3/KTaO3 (LAO/KTO) heterostructure, we demonstrate experimental…

Rashba spin-orbit coupling locks the spin with momentum of charge carriers at the broken inversion interfaces, which could generate a large spin galvanic response. Here, we demonstrate spin-to-charge conversion (inverse Rashba-Edelstein…

Materials Science · Physics 2025-03-06 Athby H. Al-Tawhid , Rui Sun , Andrew H. Comstock , Divine P. Kumah , Dali Sun , Kaveh Ahadi

Spin-phonon interactions have a dual role in emerging spin-based quantum technologies. While they can be a limitation to device performance through decoherence, they also serve as a critical resource for coherent spin control, detection,…

Mesoscale and Nanoscale Physics · Physics 2026-03-30 Q. Greffe , A. Hugot , S. Zhang , J. Jarreau , L. Del-Rey , E. Bonet , F. Balestro , T. Chanelière , J. J. Viennot

We have investigated the electronic properties of elliptical quantum dots in a perpendicular external magnetic field, and in the presence of the Rashba spin-orbit interaction. Our work indicates that the Fock-Darwin spectra display strong…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Siranush Avetisyan , Pekka Pietiläinen , Tapash Chakraborty

We study optical conductivity of a two-dimensional electron gas with anisotropic $k$-cubic Rashba spin-orbit interaction formed at the LaAlO$_3$/SrTiO$_3$ interface. The anisotropic spin splitting energy gives rise to different features of…

Mesoscale and Nanoscale Physics · Physics 2016-09-01 Alestin Mawrie , Tarun Kanti Ghosh

Antiferromagnetic spintronics, a promising technology for ultra-fast electronic devices, faces several challenges, including the lack of materials simultaneously hosting robust antiferromagnetism and adequate Rashba-like interaction. We…

Materials Science · Physics 2025-08-11 Vivek Kumar , Nirmal Ganguli

Using a three-band Hubbard Hamiltonian we calculate within the random-phase-approximation the spin susceptibility, $\chi({\bf q},\omega)$, and NMR spin-lattice relaxation rate, 1/T$_1$, in the normal state of the triplet superconductor…

Superconductivity · Physics 2009-11-07 I. Eremin , D. Manske , K. H. Bennemann

We investigate the role played by the electron spin and the spin-orbit interaction on the exceptional electronphonon coupling at the Tl/Si(111) surface. Our first-principles calculations demonstrate that the particular spin pattern of this…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 Peio Garcia-Goiricelaya , Idoia G. Gurtubay , Asier Eiguren

By means of density functional theory (DFT) calculations (with and without inclusion of spin-orbit (SO) coupling) we present a detailed study of the electronic structure and corresponding microscopic Hamiltonian parameters of Na2IrO3. In…

Strongly Correlated Electrons · Physics 2014-01-31 Kateryna Foyevtsova , Harald O. Jeschke , I. I. Mazin , D. I. Khomskii , Roser Valenti

We investigate the electronic structure of the epitaxial VO$_2$ films in the rutile phase using the density functional theory combined with the slave spin method (DFT+SS). In DFT-SS, the multiorbital Hubbard interactions are added to a…

We study the interaction between electron and acoustic phonon in a Rashba spin-orbit coupled two dimensional electron gas using Boltzmann transport theory. Both deformation potential and piezoelectric scattering mechanisms are considered in…

Mesoscale and Nanoscale Physics · Physics 2012-12-10 Tutul Biswas , Tarun Kanti Ghosh

The Rashba spin-orbit coupling (SOC) is a well-known mechanism for the spin-charge interconversion via the inverse and direct spin galvanic effects. The lack of a full inversion symmetry allows the coupling of the charge current and spin…

Mesoscale and Nanoscale Physics · Physics 2025-12-08 Alessandro Veneri , Francesco Quintavalle , Thierry Valet , Roberto Raimondi

Nonlinear transport is a unique functionality of noncentrosymmetric systems, which reflects profound physics, such as spin-orbit interaction, superconductivity and band geometry. However, it remains highly challenging to enhance the…

Here we present a theoretical analysis of the effect of inelastic electron scattering on spin-dependent transport characteristics (conductance, current-voltage dependence, magnetoresistance, shot noise spectrum, Fano factor) for magnetic…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Kamil Walczak

Single-crystal synchrotron x-ray diffraction studies of CeFeAsO reveal strong anisotropy in the charge correlation lengths along or perpendicular to the in-plane antiferromagnetic (AFM) wave-vector at low temperatures, indicating an…

Superconductivity · Physics 2014-07-08 H. -F. Li , J. -Q. Yan , J. W. Kim , R. W. McCallum , T. A. Lograsso , D. Vaknin

Understanding collective phenomena in quantum materials from first principles is a promising route toward engineering materials properties on demand and designing new functionalities. This work examines the quantum paraelectric state, an…

Materials Science · Physics 2022-09-27 Luigi Ranalli , Carla Verdi , Lorenzo Monacelli , Matteo Calandra , Georg Kresse , Cesare Franchini

Recently, a series of noncentrosymmetric superconductors has been a subject of considerable interest since the discovery of superconductivity in CePt_3Si. In noncentrosymmetric materials, the degeneracy of bands is lifted in the presence of…

Strongly Correlated Electrons · Physics 2013-01-29 Takashi Yanagisawa

The electronic band structure of monolayer phosphorene is thoroughly studied by considering the presence of spin-orbit interaction. We employ a multiorbital Slater-Koster tight-binding approach to derive effective k.p-type Hamiltonians that…

Mesoscale and Nanoscale Physics · Physics 2024-08-13 Mayra Peralta , Dennis A. Freire , Rafael González-Hernández , Francisco Mireles

The coupling of translational modes to the reorientational motion is an essential property of systems with internal orientational degrees of freedom. Due to their high complexity most of those systems (molecular crystals, glasses...)…

Materials Science · Physics 2009-11-07 Oleksiy Svitelskiy , Jean Toulouse

Structural, electronic and magnetic properties of bulk ilmenite CoTiO$_3$ are analyzed in the framework of density functional theory (DFT), using the generalized gradient approximation (GGA) and Hubbard-corrected approaches. We find that…

Materials Science · Physics 2022-04-27 M. Arruabarrena , A. Leonardo , M. Rodriguez-Vega , Gregory A. Fiete , A. Ayuela