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On this article there are presented the main results of the theory of electron phenomena in an unordered condensed matter that can be described as an inhomogeneously deformed crystalline lattice with dislocations. The one-electron effective…

Condensed Matter · Physics 2007-05-23 Ilya M. Dubrovskii

The structural and magnetic properties of spinel compounds $CoB_2O_4$ (B=Cr,Mn and Fe) are studied using the DFT+U method and generalized gradient approximation (GGA). We concentrate on understanding the trends in the properties of these…

Strongly Correlated Electrons · Physics 2016-09-21 Debashish Das , Rajkumar Biswas , Subhradip Ghosh

For 4$d^1$ and 5$d^1$ spin-orbit-coupled electron configurations, the notion of nonmagnetic j=3/2 quartet ground state discussed in classical textbooks is at odds with the observed variety of magnetic properties. Here we throw fresh light…

Strongly Correlated Electrons · Physics 2016-12-16 Lei Xu , Nikolay A. Bogdanov , Andrew Princep , Peter Fulde , Jeroen van den Brink , Liviu Hozoi

The relation between crystal symmetries, electron correlations, and electronic structure steers the formation of a large array of unconventional phases of matter, including magneto-electric loop currents and chiral magnetism. Detection of…

In recent years, the negatively charged group-IV--vacancy defects in diamond, labeled as G4V(-) or G4V centers, have attracted significant attention in quantum information processing. In this study, we investigate the magneto-optical…

Quantum Physics · Physics 2026-02-12 Meysam Mohseni , Lukas Razinkovas , Vytautas Žalandauskas , Gergő Thiering , Adam Gali

Strong Stark splitting, which is nearly independent of the R-ions replacement, has been observed through the photoluminescence investigation of electronic ferroelectric Er1-xYbxFe2O4 (x=0, 0.8, 0.9 and 0.95). Initially multiple radiative…

Strongly Correlated Electrons · Physics 2012-07-05 R. Wang , H. X. Yang , Y. B. Qin , B. Dong , J. Q. Li , Jimin Zhao

Based on a localized crystal electric field model for the U^{4+} in the (5f)^2-configuration, we analyze the resonant x-ray scattering spectra around U M_{IV} and M_{V} edges in URu_{2}Si_{2}, taking full Coulomb and spin-orbit interactions…

Strongly Correlated Electrons · Physics 2009-11-10 Tatsuya Nagao , Jun-ichi Igarashi

A scanning superconducting quantum interference device (SQUID) microscope (SSM) is used to study the magnetic imaging of dynamic motion of quantized interlayer vortices induced by the Lorentz force in anisotropic high-Tc…

Superconductivity · Physics 2009-11-13 I. Iguchi , S. Arisawa , T. Uchiyama , K-S. Yun , T. Hatano , I. Tanaka

Important phenomena such as magnetostriction, magnetocaloric, and magnetoelectric effects arise from, or could be enhanced by, the coupling of magnetic and structural degrees of freedom. The coupling of spin and lattice also influence…

Materials Science · Physics 2021-03-25 Luis Casillas-Trujillo , Rickard Armiento , Björn Alling

Different configurations of magnetic orders and cation distributions for NiFe2O4 are studied by the density functional based methods with the possible inclusion of the on-site Coulomb interaction U. The lowest energy state is an inverse…

Materials Science · Physics 2011-05-10 Ching Cheng

Dynamical properties of the lattice structure was studied by optical spectroscopy in ACr2O4 chromium spinel oxide magnetic semiconductors over a broad temperature region of T=10-335K. The systematic change of the A-site ions (A=Mn, Fe, Co,…

Strongly Correlated Electrons · Physics 2013-07-24 V. Kocsis , S. Bordács , D. Varjas , K. Penc , A. Abouelsayed , C. A. Kuntscher , K. Ohgushi , Y. Tokura , I. Kézsmárki

Bandedge states in the indirect-gap group-IV metal monochalcogenide monolayers ('four-six-enes' such as SnS, GeTe, etc.) inherit the properties of nearby reciprocal space points of high symmetry at the Brillouin zone edge. We employ group…

Materials Science · Physics 2016-10-19 Ian Appelbaum , Pengke Li

The structural and magnetic properties of Fe octaethylporphyrin (OEP) molecules on Cu(001) have been investigated by means of density functional theory (DFT) methods and X-ray absorption spectroscopy. The molecules have been adsorbed on the…

The interaction of swift, free-space electrons with confined optical near fields has recently sparked much interest. It enables a new type of photon-induced near-field electron microscopy, mapping local optical near fields around…

Quantum Physics · Physics 2021-10-27 Germann Hergert , Andreas Woeste , Petra Gross , Christoph Lienau

A comprehensive understanding of spin-polarized photoemission is crucial for accessing the electronic structure of spin-orbit coupled materials. Yet, the impact of the final state in the photoemission process on the photoelectron spin has…

Ce compounds feature a remarkable diversity of electronic properties, which motivated extensive investigations over the last decades. Inelastic neutron scattering represents an important tool for understanding their underlying electronic…

Strongly Correlated Electrons · Physics 2022-06-22 Pritam Bhattacharyya , Ulrich K. Rößler , Liviu Hozoi

We apply the first-principles density functional theory + dynamical mean field theory framework to evaluate the crystal field splitting on rare earth sites in hard magnetic intermetallics. An atomic (Hubbard-I) approximation is employed for…

Strongly Correlated Electrons · Physics 2017-11-15 Pascal Delange , Silke Biermann , Takashi Miyake , Leonid Pourovskii

We explore the electrodynamic coupling between a plane wave and an infinite two-dimensional periodic lattice of magneto-electric point scatterers, deriving a semi-analytical theory with consistent treatment of radiation damping,…

Optics · Physics 2013-12-16 Per Lunnemann , Ivana Sersic , A. Femius Koenderink

Lanthanide atoms have an unusual electron configuration, with a partially filled shell of $f$ orbitals. This leads to a set of characteristic properties that enable enhanced control over ultracold atoms and their interactions: large numbers…

Quantum Gases · Physics 2021-08-11 Matthew A. Norcia , Francesca Ferlaino

The electronic structure of Samarium (Sm) was calculated using the density functional theory combined with the single-site dynamical mean-field theory. In this work, we investigated the electronic properties of {\alpha}, \b{eta} and…

Strongly Correlated Electrons · Physics 2026-05-15 Shengsong Xu , Zhenfeng Ouyang , Li Huang , Zhong-Yi Lu
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