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相关论文: A "hybrid plane" with spin-orbit interaction

200 篇论文

We put forward a new approach based on Green's function formalism to evaluate precisely persistent charge and spin currents in an Aharonov-Bohm ring subjected to Rashba and Dresselhaus spin-orbit interactions. Unlike conventional methods…

介观与纳米尺度物理 · 物理学 2014-08-19 Santanu K. Maiti , Moumita Dey , S. N. Karmakar

We propose the mesoscopic device based on the Rashba spin orbit interaction (SOI) that contains a gated ballistic Aharonov-Bohm (AB) ring with incoming lead and two asymmetrically situated outgoing leads. The variations of the Rashba…

介观与纳米尺度物理 · 物理学 2009-11-11 I. A. Shelykh , N. G. Galkin , N. T. Bagraev

We study quantum phase transitions induced by the on-site spin-orbit interaction lambda(L.S) in a toy model of vanadium chains. In the lambda->0 limit, the decoupled spin and orbital sectors are described by a Haldane and an Ising chain,…

强关联电子 · 物理学 2011-02-15 Gia-Wei Chern , N. B. Perkins , G. I. Japaridze

New exact and asymptotical results for the one particle Green's function of 2D electrons with combined Rashba - Dresselhaus spin - orbit interaction in the presence of in-plane uniform magnetic field are presented. A special case that…

介观与纳米尺度物理 · 物理学 2019-02-01 I. V. Kozlov , Yu. A. Kolesnichenko

We consider a spin-orbit coupled configuration of spin-1/2 interacting bosons with equal Rashba and Dresselhaus couplings. The phase diagram of the system is discussed with special emphasis to the role of the interaction treated in the…

量子气体 · 物理学 2012-10-02 Yun Li , Lev P. Pitaevskii , Sandro Stringari

We investigate whether a two-qubit quantum gate can be implemented in a scattering process involving a flying and a static qubit. To this end, we focus on a paradigmatic setup made out of a mobile particle and a quantum impurity, whose…

量子物理 · 物理学 2013-05-29 G. Cordourier-Maruri , F. Ciccarello , Y. Omar , M. Zarcone , R. de Coss , S. Bose

We analytically study momentum-space entanglement in quantum spin-half ladders consisting of two coupled critical XXZ spin-half chains using field theoretical methods. When the system is gapped, the momentum-space entanglement Hamiltonian…

强关联电子 · 物理学 2016-03-09 Rex Lundgren

We introduce s.n where n is the unit vector in the direction of the radius vector and s is the spin, which along with the velocity forms a spin-orbit interaction of the order of v/c whereas the usual spin-orbit interaction is of the order…

介观与纳米尺度物理 · 物理学 2007-05-23 Keshav N. Shrivastava

We consider an effective Hubbard model with spin- and direction-dependent complex hoppings $t$, applied to twisted homobilayer WSe$_2$ using a variational Monte Carlo approach. The electronic correlations are taken into account by applying…

强关联电子 · 物理学 2024-01-10 Andrzej Biborski , Paweł Wójcik , Michał Zegrodnik

We construct a class of interacting spin Calogero-Moser type systems. They can be regarded as a many particle system with spin degrees of freedom and as an integrable spin chain of Gaudin type. We prove that these Hamiltonian systems are…

数学物理 · 物理学 2023-03-01 Nicolai Reshetikhin

Most textbooks introduce the concept of spin by presenting the Stern-Gerlach experiment with the aid of Newtonian atomic trajectories. However, to understand how both spatial and spin degrees of freedom evolve over time and how the latter…

量子物理 · 物理学 2024-02-26 K. M. Fonseca-Romero

We consider the motion of a point particle with spin in a stationary spacetime. We define, following Witzany (2019) and later Ramond (2022), a twelve dimensional Hamiltonian dynamical system whose orbits coincide with the solutions of the…

广义相对论与量子宇宙学 · 物理学 2023-06-21 Francisco M. Blanco , Éanna É. Flanagan

We introduce a new model of interacting spin 1/2. It describes interaction of three nearest neighbors. The Hamiltonian can be expressed in terms of Fredkin gates. The Fredkin gate (also known as the CSWAP gate) is a computational circuit…

量子物理 · 物理学 2016-05-13 Olof Salberger , Vladimir Korepin

The coupling of the spin of electrons to their motional state lies at the heart of recently discovered topological phases of matter. Here we create and detect spin-orbit coupling in an atomic Fermi gas, a highly controllable form of quantum…

We study non-equilibrium current and occupation probabilities of a two-orbital quantum dot. The couplings to the leads are allowed to be asymmetric and orbital dependent as it is generically the case in transport experiments on molecules…

介观与纳米尺度物理 · 物理学 2010-10-20 S. Y. Mueller , V. Koerting , D. Schuricht , S. Andergassen

The spin dynamics of a trimer with Dzyaloshinsky-Moriya (DM) interaction are investigated within a unified Hamiltonian framework that connects quantum-mechanical and semiclassical descriptions. The interpolation between the two regimes is…

介观与纳米尺度物理 · 物理学 2026-03-16 Robert Wieser , Raúl Sánchez Galán

We explore spin dependent transport through a magnetic quantum wire which is attached to two non-magnetic metallic electrodes. We adopt a simple tight-binding Hamiltonian to describe the model where the quantum wire is attached to two…

介观与纳米尺度物理 · 物理学 2015-03-13 Moumita Dey , Santanu K. Maiti , S. N. Karmakar

In this paper I discuss a formulation of relativistic few-particle scattering theory where the dynamical input is a collection of reflection-positive Euclidean covariant Green functions. This formulation of relativistic quantum mechanics…

数学物理 · 物理学 2015-06-18 W. N. Polyzou

We exploit the high-symmetry spin state obtained for equal Rashba and linear Dresselhaus interactions to derive a closed-form expression for the weak localization magnetoconductivity -- the paradigmatic signature of spin-orbit coupling in…

We derive analitycally a partial diagonalization of the Hamiltonian representing a quantum dot including spin-orbit interaction and Zeeman energy on an equal footing. It is shown that the interplay between these two terms results in a…

介观与纳米尺度物理 · 物理学 2009-11-10 Manuel Valin-Rodriguez