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Using spin and angle-resolved photoemission spectroscopy we investigate a momentum region in Pb quantum well states on Si(111) where hybridization between Rashba-split bands alters the band structure significantly. Starting from the Rashba…

Materials Science · Physics 2014-03-24 Bartosz Slomski , Gabriel Landolt , Stefan Muff , Fabian Meier , Jürg Osterwalder , J. Hugo Dil

We investigate theoretically BEC-BCS crossover physics in the presence of a Rashba spin-orbit coupling in a system of two-component Fermi gas with and without a Zeeman field that breaks the population balance between the two components. A…

Quantum Gases · Physics 2012-11-26 Lei Jiang , Xia-Ji Liu , Hui Hu , Han Pu

The beating pattern of Shubnikov-de Haas oscillations in 2D electron system in the presence of a Rashba zero-field spin splitting is reproduced. It is shown, taking into account the Zeeman splitting, that the explicit formulae for the node…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. V. Cheremisin , A. S. Furman

We study the frequency dependent spin- and charge- conductivity tensors of a two-dimensional electron gas (2DEG) with Rashba and Dresselhaus spin-orbit interaction. We show that the angular anisotropy of the spin-splitting energy induced by…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Jesús A. Maytorena , Catalina López-Bastidas , Francisco Mireles

We develop a theoretical framework to evaluate the energy spectrum, stationary states, and dielectric susceptibility of two Jaynes-Cummings systems coupled together by the overlap of their respective longitudinal field modes, and we solve…

Quantum Physics · Physics 2012-02-24 Peng Xue , Zbigniew Ficek , Barry C. Sanders

We study the spin Hall effect of a two-dimensional electron gas in the presence of a magnetic field and both the Rashba and Dresselhaus spin-orbit interactions. We show that the value of the spin Hall conductivity, which is finite only if…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 P. Lucignano , R. Raimondi , A. Tagliacozzo

We study the evolution of a photonic state in a coupled pair of anharmonic cavities and compare it with the corresponding system of two coupled harmonic cavities. The photons in the anharmonic cavities interact with a two-level atom and are…

Quantum Physics · Physics 2015-06-15 K. Ziegler

The strong coupling regime is observed in a system of two-dimensional electrons whose cyclotron motion is coupled to an electro-magnetic mode in a Fabry-Perot cavity resonator. The Rabi splitting of eigenfrequencies of coupled motion is…

Mesoscale and Nanoscale Physics · Physics 2016-07-28 L. V. Abdurakhimov , R. Yamashiro , A. O. Badrutdinov , D. Konstantinov

We evaluate the transport coefficients of a two-dimensional electron gas (2DEG) in the presence of a perpendicular magnetic field and of the spin-orbit interaction (SOI) described only by the Rashba term. The SOI mixes the spin-up and…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 X. F. Wang , P. Vasilopoulos

We derive an exact result for the averaged Feynman propagator and the corresponding density of states of an electron in two dimensions in a perpendicular homogeneous magnetic field and a Gaussian random potential with long-range spatial…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 Lothar Spies , Walter Apel , Bernhard Kramer

We study interacting Rashba-Dresselhaus fermions in two spatial dimensions. First, we present a new exact solution to the two-particle pairing problem of spin-orbit-coupled fermions for arbitrary Rashba and Dresselhaus spin-orbit…

Quantum Gases · Physics 2013-10-16 So Takei , Chien-Hung Lin , Brandon M. Anderson , Victor Galitski

A combination of spin-orbit coupling and electron-electron interaction gives rise to a new type of collective spin modes, which correspond to oscillations of magnetization even in the absence of the external magnetic field. We review recent…

Strongly Correlated Electrons · Physics 2022-12-14 Dmitrii L. Maslov , Abhishek Kumar , Saurabh Maiti

We calculate the transport relaxation time $\tau _{\rm tr}$ and spin transport relaxation time $\tau _{s,{\rm tr}}$ for a two-dimensional electron gas with spatially fluctuating Rashba spin-orbit interaction. These relaxation times…

Mesoscale and Nanoscale Physics · Physics 2018-06-27 S. Kudla , A. Dyrdal , V. K. Dugaev , E. Ya. Sherman , J. Barnas

Spin-orbit coupling induced anisotropies of plasmon dynamics are investigated in two-dimensional semiconductor structures. The interplay of the linear Bychkov-Rashba and Dresselhaus spin-orbit interactions drastically affects the plasmon…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 S. M. Badalyan , A. Matos-Abiague , G. Vignale , J. Fabian

We investigate the conditions of entanglement for a system of two atoms and two photon modes in vacuum, using the Jaynes-Cummings model in the rotating-wave approximation. It is found, by generalizing the existing results, that the strength…

Quantum Physics · Physics 2016-06-27 Samina S. Masood , Allen Miller

We report on the experimental observation of a strongly interacting gas of ultracold two-electron fermions with orbital degree of freedom and magnetically tunable interactions. This realization has been enabled by the demonstration of a…

Quantum Gases · Physics 2015-12-30 G. Pagano , M. Mancini , G. Cappellini , L. Livi , C. Sias , J. Catani , M. Inguscio , L. Fallani

The Wigner-crystal phase of two-dimensional electrons interacting via the Coulomb repulsion and subject to a strong Rashba spin-orbit coupling is investigated. For low enough electronic densities the spin-orbit band splitting can be larger…

Mesoscale and Nanoscale Physics · Physics 2014-08-12 P. G. Silvestrov , O. Entin-Wohlman

We study high-harmonic generation in two-dimensional electron systems with Rashba and Dresselhaus spin-orbit coupling and derive harmonic generation selection rules with the help of group theory. Based on the bandstructures of these minimal…

Mesoscale and Nanoscale Physics · Physics 2020-09-02 Markus Lysne , Yuta Murakami , Michael Schüler , Philipp Werner

Spin transport was studied in a two-dimensional electron gas hosted in a wide GaAs quantum well occupying two subbands. Using space and time Kerr rotation microscopy to image drifting spin packets under an in-plane accelerating electric…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 N. M . Kawahala , F. C. D. Moraes , G. M. Gusev , A. K. Bakarov , F. G. G. Hernandez

The influence of the electrons interaction with longitudinal acoustic phonons on magnetoeletric and spin-related transport effects are investigated. The physical system under consideration has been assumed to be a two dimensional electron…

Other Condensed Matter · Physics 2013-12-02 K. Hasanirokh , A. Phirouznia