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Related papers: Magnetic moment formation at a dilute Ce(140) impu…

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We report precision measurements of the nuclear magnetic moment of \textsuperscript{43}Ca\textsuperscript{+}, made by microwave spectroscopy of the 4s $^2$S$_{1/2}$ $\left|F=4, M=0\right\rangle \rightarrow \left|F=3, M=1\right\rangle$…

Atomic Physics · Physics 2023-04-10 R. K. Hanley , D. T. C. Allcock , T. P. Harty , M. A. Sepiol , D. M. Lucas

The local atomic environments and magnetic properties were investigated for a series of Co(1+x)Fe(2-x)Si (0<x<1) Heusler compounds. While the total magnetic moment in these compounds increases with the number of valance electrons, the…

The anomalous magnetic moment of the tau lepton $a_\tau = (g_\tau -2)/2$ strikingly evades measurement, but is highly sensitive to new physics such as compositeness or supersymmetry. We propose using ultraperipheral heavy ion collisions at…

High Energy Physics - Phenomenology · Physics 2021-01-04 Lydia Beresford , Jesse Liu

The electronic structure of diluted magnetic semiconductors is studied, especially focusing on the hole character. The Haldane-Anderson model is extend to a magnetic impurity, and is analyzed in the Hartree-Fock approximation. Due to the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. Ichimura , K. Tanikawa , S. Takahashi , G. Baskaran , S. Maekawa

A Bose-Einstein condensate exhibiting a nontrivial phase induces an artificial magnetic field in immersed impurity atoms trapped in a stationary, ring-shaped optical lattice. We present an effective Hamiltonian for the impurities for two…

Quantum Gases · Physics 2010-01-21 Matthias Rosenkranz , Alexander Klein , Dieter Jaksch

The ability for most hadrons to decay via strong interactions prevents the direct measurement of their electromagnetic properties. However, a detailed understanding of how these resonant states feature in scattering processes can allow one…

High Energy Physics - Lattice · Physics 2015-04-16 Benjamin Owen , Waseem Kamleh , Derek Leinweber , Benjamin Menadue , Selim Mahbub

$2p$-based magnetic moments and magnetic coupling are studied with density functional based methods for substitutional N in the alkaline earth monoxide series MgO, CaO, SrO, BaO. The hole is rather strongly localized near the N$^{2-}$ ion,…

Strongly Correlated Electrons · Physics 2008-10-30 V. Pardo , W. E. Pickett

The effect of local environment on the formation of magnetic moments on Fe atoms in iron silicides are studied by combination of ab initio and model calculations. The suggested model includes all Fe d- and Si p-orbitals, intra-atomic…

Materials Science · Physics 2016-07-13 N. G. Zamkova , V. S. Zhandun , S. G. Ovchinnikov , I. S. Sandalov

The magnetic properties of Ho-doped langasites (La:Ho)$_3$Ga$_5$SiO$_{14}$ are dominated by the Ising-like magnetic moments of the Ho$^{3+}$ ions. In their saturated regime, the induced magnetic state breaks both time and space inversion…

This work presents electronic and magnetic properties of selected members in the cubic Laves phase series Nd1-xPrxCoNi and Ce0.25Pr0.75CoNi, together with the corresponding binary compositions (NdCo2, NdNi2, PrCo2, PrNi2, CeCo2, CeNi2),…

Identifying the nature of magnetism, itinerant or localized, remains a major challenge in condensed-matter science. Purely localized moments appear only in magnetic insulators, whereas itinerant moments more or less co-exist with localized…

We have succeeded in synthesizing of single crystals of a new intermetallic compound, Ce$_{3}$Rh$_{4}$Pb$_{13}$. Magnetic susceptibility measurements indicate that the Ce moments are highly localized, despite the metallic character of the…

Strongly Correlated Electrons · Physics 2009-11-11 D. A. Sokolov , M. C. Aronson , C. Henderson , J. W. Kampf

The magnetic moment of a single impurity atom in a finite free electron gas is studied in a combined x-ray magnetic circular dichroism spectroscopy and density functional theory study of size-selected free chromium-doped gold clusters. The…

Atomic and Molecular Clusters · Physics 2015-03-06 K. Hirsch , V. Zamudio-Bayer , A. Langenberg , M. Niemeyer , B. Langbehn , T. Möller , A. Terasaki , B. v. Issendorff , J. T. Lau

We derive an explicit analytical expression for the magnetic dipole moment of the rho meson, mu_rho, in a relativistic constituent-quark model. We adopt our relativistic approach to composite systems, modified instant-form (mIF)…

High Energy Physics - Phenomenology · Physics 2018-03-14 A. F. Krutov , R. G. Polezhaev , V. E. Troitsky

The magnetic behavior of the quaternary compounds, RCr2Si2C (R = La, Ce), has been investigated by magnetization (M) and heat-capacity (C) measurements (1.8-300 K) in the bulk polycrystals and nano forms (<1 {\mu}m) obtained by high-energy…

Strongly Correlated Electrons · Physics 2011-11-29 K. Mukherjee , Kartik K. Iyer , E. V. Sampathkumaran

We study formation and screening of local magnetic moments in the two-band Hubbard model in the presence of Hund exchange interaction using dynamic mean field theory approach. The characteristic temperatures of the formation, beginning and…

Strongly Correlated Electrons · Physics 2024-09-13 T. B. Mazitov , A. A. Katanin

Magnetic structures of the noncentrosymmetric magnet Sr$_2$MnSi$_2$O$_7$ were examined through neutron diffraction for powder and single-crystalline samples, as well as magnetometry measurements. All allowed magnetic structures under the…

Strongly Correlated Electrons · Physics 2024-10-08 Y. Nambu , M. Kawamata , X. Pang , H. Murakawa , M. Avdeev , H. Kimura , H. Masuda , N. Hanasaki , Y. Onose

The local quasiparticle density of states around a unitary impurity with a Kondo-like magnetic moment induced at its nearest neighbors in a d-wave superconductor is studied within the slave-boson mean-field approach. The Hamiltonian is…

Superconductivity · Physics 2009-10-31 Jian-Xin Zhu , C. S. Ting

The configuration-fixed deformation constrained relativistic mean field approach with time-odd component has been applied to investigate the ground-state properties of $^{33}$Mg with effective interaction PK1. The ground state of $^{33}$Mg…

Nuclear Theory · Physics 2009-10-22 Jian Li , Ying Zhang , Jiang-ming Yao , Jie Meng

Recent Nuclear Magnetic Resonance and elastic neutron scattering experiments have revealed conclusively the presence of static incommensurate magnetism in the field-induced B phase of CeCoIn5. We analyze the NMR data assuming the hyperfine…

Strongly Correlated Electrons · Physics 2011-04-08 N. J. Curro , B. -L. Young , R. R. Urbano , M. J. Graf