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Calculations are presented for electronic Raman scattering and infrared conductivity in a $d_{x^{2}-y^{2}}$ superconductor including the effects of elastic scattering via anisotropic impurities and inelastic spin-fluctuation scattering. A…

Superconductivity · Physics 2009-10-31 T. P. Devereaux , A. P. Kampf

Suprathermal electrons and inertial drifting electrons, so called electron beam, are crucial to the nonlinear dynamics of electrostatic solitary waves observed in several astrophysical plasmas. In this paper, the propagation of…

Plasma Physics · Physics 2018-04-27 Ashkbiz Danehkar

Superconductivity induced structures in the electronic Raman spectra of high-Tc superconductors are computed using the results of ab initio LDA-LMTO three-dimensional band structure calculations via numerical integrations of the mass…

Condensed Matter · Physics 2009-10-28 Thomas Strohm , Manuel Cardona

We report a c-axis-polarized electronic Raman scattering study of Bi_2Sr_2CaCu_2O_{8+\delta} single crystals. In the normal state, a resonant electronic continuum extends to 1.5 eV and gains significant intensity as the incoming photon…

Superconductivity · Physics 2009-10-31 H. L. Liu , G. Blumberg , M. V. Klein , P. Guptasarma , D. G. Hinks

We discuss theoretically quantum interface between light and a spin polarized ensemble of atoms with the spin >= 1 based on an off-resonant Raman scattering. We present the spectral theory of the light-atoms interaction and show how…

Quantum Physics · Physics 2010-06-29 O. S. Mishina , D. V. Kupriyanov , J. H. Muller , E. S. Polzik

We have studied experimentally and theoretically the influence of electron-electron collisions on the propagation of electron beams in a two-dimensional electron gas for excess injection energies ranging from zero up to the Fermi energy. We…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 H. Predel , H. Buhmann , L. W. Molenkamp , R. N. Gurzhi , A. N. Kalinenko , A. I. Kopeliovich , A. V. Yanovsky

Impacts of spin-polarization of an ultrarelativistic electron beam head-on colliding with a strong laser pulse on emitted photon spectra and electron dynamics have been investigated in the quantum radiation regime. We simulate photon…

Plasma Physics · Physics 2019-07-31 Yan-Fei Li , Ren-Tong Guo , Rashid Shaisultanov , Karen Z. Hatsagortsyan , Jian-Xing Li

In this paper we examine the effects of electron-hole asymmetry as a consequence of strong correlations on the electronic Raman scattering in the normal state of copper oxide high temperature superconductors. Using determinant quantum Monte…

Strongly Correlated Electrons · Physics 2012-05-11 B. Moritz , S. Johnston , T. P. Devereaux , B. Muschler , W. Prestel , R. Hackl , M. Lambacher , A. Erb , Seiki Komiya , Yoichi Ando

Several powerful techniques exist to detect topologically protected surface states of weakly-interacting electronic systems. In contrast, surface modes of strongly interacting systems which do not carry electric charge are much harder to…

Strongly Correlated Electrons · Physics 2016-08-24 Brent Perreault , Johannes Knolle , Natalia B. Perkins , F. J. Burnell

We present a polarization-resolved and temperature-dependent Raman scattering study of AFe2As2 (A = Ca, Eu). In the spin-density-wave (SDW) phase, spectral weight redistribution is observed in the fully symmetric and non-symmetric…

Strongly Correlated Electrons · Physics 2016-05-09 W. -L. Zhang , Z. P. Yin , A. Ignatov , Z. Bukowski , Janusz Karpinski , Athena S. Sefat , H. Ding , P. Richard , G. Blumberg

We study first-order (single-magnon) inelastic light scatterings in spin-$\frac{1}{2}$ two-dimensional quasiperiodic antiferromagnets in comparison with those emergent on periodic lattices. Unlike second-order (two-magnon) Raman scatterings…

Strongly Correlated Electrons · Physics 2026-04-29 Takashi Inoue , Shoji Yamamoto

We have developed a theory of Raman scattering with single and double spin flips of localized resident electrons and holes as well as nonequilibrium localized excitons in semiconductor perovskite crystals under optical excitation in the…

Materials Science · Physics 2022-12-14 A. V. Rodina , E. L. Ivchenko

We investigate systems of spinless one-dimensional chiral fermions realized, e.g., in the arms of electronic Mach-Zehnder interferometers, at high energies. Taking into account the curvature of the fermionic spectrum and a finite…

Strongly Correlated Electrons · Physics 2010-09-13 Markus Heyl , Stefan Kehrein , Florian Marquardt , Clemens Neuenhahn

We develop the theory of antisymmetric Raman response, defined as the difference between the Raman signals of two scattering geometries related by an exchange of mutually perpendicular incoming and the outgoing photon polarizations. Such…

Strongly Correlated Electrons · Physics 2026-05-04 Mattia Udina , Indranil Paul

The resonant Raman scattering of a quantum wire in a strong magnetic field is studied, focused on the effect of long range Coulomb interaction and the spin-charge separation. The energy-momentum dispersions of charge and spin excitation…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 H. C. Lee

Electronic Raman scattering and optical phonon self-energies are studied on single crystals of $LuB_{12}$ with different isotopic composition in the temperature region 10-650K and at pressures up to 10 GPa. The shape and energy position of…

Materials Science · Physics 2016-08-09 Yu. S. Ponosov , A. A. Makhnev , S. V. Streltsov , V. B. Filipov , N. Yu. Shitsevalova

We explain quantitatively why resonant Raman scattering spectroscopy, an extensively used experimental tool in studying elementary electronic excitations in doped low dimensional semiconductor nanostructures, always produces an observable…

Strongly Correlated Electrons · Physics 2009-10-31 S. Das Sarma , Daw-Wei Wang

Generalizing recent work, the Raman scattering intensity from a semi-infinite superconducting superlattice is calculated taking into account the surface contribution to the density response functions. Our work makes use of the formalism of…

Condensed Matter · Physics 2009-10-28 W. C. Wu , A. Griffin

Nonlinear single Compton scattering has been thoroughly investigated in the literature under the assumption that initially the electron has a definite momentum. Here, we study a more general initial state, and consider the electron as a…

High Energy Physics - Phenomenology · Physics 2016-05-04 A. Angioi , F. Mackenroth , A. Di Piazza

A set of theoretical results on infrared absorption and inelastic (Raman) scattering of light in semiconductor quantum dots is reviewed. When it is possible, qualitative comparisons with recent experimental results are presented.

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Augusto Gonzalez , Alain Delgado