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We consider interactions of fermions with the domain wall bubbles produced during a first order phase transition. A new exact solution of the Dirac equations is obtained for a wall profile incorporating a position dependent phase factor.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Emilio Torrente-Lujan

We develop a comprehensive description of static and dynamic spin-transfer torque at interfaces between a normal metal and a magnetic material. Specific examples of the latter include ferromagnets, collinear and noncollinear…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Yaroslav Tserkovnyak , Hector Ochoa

We report measurements of spin-dependent scattering of conduction electrons by neutral donors in an accumulation-mode field-effect transistor formed in isotopically enriched silicon. Spin-dependent scattering was detected using electrically…

Materials Science · Physics 2009-11-13 C. C. Lo , J. Bokor , T. Schenkel , A. M. Tyryshkin , S. A. Lyon

We launch a first investigation into how a light scalar field coupled both conformally and disformally to matter influences the evolution of spinning point-like bodies. Working directly at the level of the equations of motion, we derive…

General Relativity and Quantum Cosmology · Physics 2021-03-09 Philippe Brax , Anne-Christine Davis , Scott Melville , Leong Khim Wong

We present an ab initio determination of spin responses of the unitary Fermi gas, based on finite temperature quantum Monte Carlo calculations and the Kubo linear-response formalism. We determine the temperature dependence of the spin…

We consider electronic current transport through a ballistic one-dimensional quantum wire connected to two ferromagnetic leads. We study the effects of the spin-dependence of interfacial phase shifts (SDIPS) acquired by electrons upon…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Cottet , T. Kontos , W. Belzig , C. Schonenberger , C. Bruder

The semimetal MoTe$_2$ is studied by spin- and angle- resolved photoemission spectroscopy to probe the detailed electronic structure underlying its broad range of response behavior. A novel spin-texture is uncovered in the bulk Fermi…

In this work, we study the dynamics of an atomic harmonically trapped large-spin Fermi gas in one dimension (1D). We investigate the interplay of different collision processes. Coherent spin oscillations, driven by spin-changing forward…

Quantum Gases · Physics 2016-12-13 Ulrich Ebling , André Eckardt

Electronic phase behavior in correlated-electron systems is a fundamental problem of condensed matter physics. We argue here that the change in the phase behavior near the surface and interface, i.e., {\em electronic reconstruction}, is the…

Strongly Correlated Electrons · Physics 2015-06-25 Satoshi Okamoto , Andrew J. Millis

We investigate theoretically spin-resolved transport, spin filtering, and nonreciprocal effects in an Altermagnet/Ising superconductor (AM/ISC) junction with a spin-active interface. Using a modified Bogoliubov-de Gennes framework within…

Superconductivity · Physics 2026-05-14 Arindam Boruah , Saumen Acharjee , Prasanta Kumar Saikia

Optics naturally provides us with some powerful mathematical operations. Here we experimentally demonstrate that during reflection or refraction at a single optical planar interface, the optical computing of spatial differentiation can be…

Due to the phase interference of electromagnetic wave, one can recover the total image of one object from a small piece of holograph, which records the interference pattern of two laser light reflected from it. Similarly, the quantum…

Quantum Physics · Physics 2014-11-18 Shi-Jian Gu , Guang-Shan Tian , Hai-Qing Lin

We computed spin wave dispersions of surface-reconstructed Co films on the W(110) surface in the adiabatic approximation. The magnetic exchange interactions are obtained via first-principles electronic structure calculations using the…

Mesoscale and Nanoscale Physics · Physics 2017-04-11 Flaviano José dos Santos , Manuel dos Santos Dias , Samir Lounis

We study theoretically the differential conductance at a junction between a time reversal symmetry broken spin orbit coupled system with a tunable band gap and a superconductor. We look for spin-dependent Andreev reflection (i.e, sub-gap…

Mesoscale and Nanoscale Physics · Physics 2018-12-14 Dibya Kanti Mukherjee , Joanna Hutchinson , Arijit Kundu

Discovering and engineering spin-polarised surface states in the electronic structures of condensed matter systems is a crucial first step in development of spintronic devices, wherein spin-polarised bands crossing the Fermi level can…

We present numerical simulations of phase imprinting experiments in ultracold trapped Fermi gases which are in good agreement with recent, independent experimental results. Our focus is on the sequence and evolution of defects using the…

Quantum Gases · Physics 2014-09-23 Peter Scherpelz , Karmela Padavić , Adam Rançon , Andreas Glatz , Igor S. Aranson , K. Levin

The behavior of spin propagation in metals in various measurement schemes is shown to be qualitatively different than a simple exponential decay - due to the backflow effect on spin diffusion in the presence of interfaces. To probe this…

Strongly Correlated Electrons · Physics 2019-01-23 M. Faiz , R. P. Panguluri , B. Nadgorny , B. Balke , S. Wurmehl , C. Felser , A. G. Petukhov

The skyrmion crystal is a periodic array of a swirling topological spin texture. Since it is regarded as an interference pattern by multiple helical spin density waves, the texture changes with the relative phases among the constituent…

Strongly Correlated Electrons · Physics 2021-12-15 Satoru Hayami , Tsuyoshi Okubo , Yukitoshi Motome

We study coherent quantum transport through a superconducting film connected to normal-metal electrodes. Simple expressions for the differential conductance and the local density of states are obtained in the clean limit and for transparent…

Superconductivity · Physics 2009-11-07 M. Bozovic , Z. Pajovic , Z. Radovic

We study the frequency dependence of the electron self energy and the optical conductivity in a recently developed field theory of the spin density wave quantum phase transition in two dimensional metals. We focus on the interplay between…

Strongly Correlated Electrons · Physics 2012-01-05 Sean A. Hartnoll , Diego M. Hofman , Max A. Metlitski , Subir Sachdev
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