Phase Transitions in Model Magnets

Presentations

• Magnetic Field Induced Shifts of the Spin Rotation Phase Transition of GdFe$_3$(BO$_3$)$_4$

  ORAL

  March 22, 2005, 11:30 AM – March 22, 2005, 11:42 AM

  Authors

  • Fei Yen

  • Bernd Lorenz

    • Department of Physics and TCSAM, University of Houston
    • TCSUH, University of Houston

  • A.N. Vasiliev

    • Faculty of Physics, Moscow State University, Moscow, 119992 Russia

  • L.N. Bezmaternykh

    • Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036 Russia

  • C.W. Chu

    • Texas Center for Superconductivity and Advanced Materials, University of Houston, Houston, TX 77204-5002
    • Hong Kong University of Science and Technology; Texas Center for Superconductivity, University of Houston; Lawrence Berkeley National Laboratory
    • Dept. of Physics and TcSUH, University of Houston, Houston,TX 77204-5002
    • Department of Physics and TCSAM, University of Houston

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• Neutron Scattering Studies of the Random Field Domain State in CsCo$_{0.83}$Mg$_{0.17}$Br$_3$

  ORAL

  March 22, 2005, 11:42 AM – March 22, 2005, 11:54 AM

  Authors

  • John-Paul Castellan

    • McMaster University, Canada

  • B.D. Gaulin

    • McMaster University, Canada

  • W.J.L. Buyers

    • NPMR, NRC, Chalk River Laboratories, Chalk River, Canada

  • J. van Duijn

  View abstract →

• Field-Induced ordering in NiCl2-4SC(NH2)2

  ORAL

  March 22, 2005, 11:54 AM – March 22, 2005, 12:06 PM

  Authors

  • V.S. Zapf

  • D. Zocco

  • M. Jaime

  • A. Lacerda

    • National High Magnetic Field Lab, Los Alamos, NM

  • A. Paduan-Filho

    • Instituto de Fisica, Universidade de Sao Paulo, Brazil

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• Magnetic Transition in Antiferromagnetic Spin-$\frac{1}{2}$ Chains with Staggered Long-Range Interactions

  ORAL

  March 22, 2005, 12:06 PM – March 22, 2005, 12:18 PM

  Authors

  • Nicolas Laflorencie

    • Department of Physics \& Astronomy, University of British Columbia
    • University of British Columbia

  • Ian Affleck

    • Department of Physics \& Astronomy, University of British Columbia
    • University of British Columbia

  • Mona Berciu

    • University of British Columbia

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• Spin Peierls transitions within the 1/4-filled Peierls extended Hubbard model

  ORAL

  March 22, 2005, 12:18 PM – March 22, 2005, 12:30 PM

  Authors

  • R. P. Hardikar

    • Mississippi State University

  • R. T. Clay

    • Mississippi State University

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• Criticality in 2-D frustrated quantum triangular antiferromagnets

  ORAL

  March 22, 2005, 12:30 PM – March 22, 2005, 12:42 PM

  Authors

  • Jason Alicea

  • Michael Hermele

    • UCSB
    • Dept. of Physics, UCSB

  • Olexei I. Motrunich

    • KITP

  • Matthew P. A. Fisher

    • KITP, UCSB
    • Kavli Institute for Theoretical Physics, UCSB

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• Quantum Griffiths effects in itinerant Heisenberg magnets

  ORAL

  March 22, 2005, 12:42 PM – March 22, 2005, 12:54 PM

  Authors

  • Thomas Vojta

    • University of Missouri-Rolla

  • Joerg Schmalian

    • Iowa State University and Ames Laboratory

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• On Spin 1/2 Excitations and Quantum Criticality in Two Dimensional $O(3)$ Antiferromagnets

  ORAL

  March 22, 2005, 12:54 PM – March 22, 2005, 1:06 PM

  Authors

  • Zaira Nazario

    • Stanford University

  • David Santiago

    • Stanford University

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• On Fractionalized Quantum Criticality in Two Dimensional $O(3)$ Antiferromagnets

  ORAL

  March 22, 2005, 1:06 PM – March 22, 2005, 1:18 PM

  Authors

  • David Santiago

    • Stanford University

  • Zaira Nazario

    • Stanford University

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• U(1) spin liquids and valence bond solids in a large-N three-dimensional Heisenberg model

  ORAL

  March 22, 2005, 1:18 PM – March 22, 2005, 1:30 PM

  Authors

  • Jean-Sebastien Bernier

  • Ying-Jer Kao

  • Yong Baek Kim

    • University of Toronto

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• Evolution of the single-hole spectral function across a quantum phase transition in the anisotropic-triangular-lattice antiferromagnet

  ORAL

  March 22, 2005, 1:30 PM – March 22, 2005, 1:42 PM

  Authors

  • So Takei

  • Chung-Hou Chung

  • Yong Baek Kim

    • University of Toronto

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• Ferromagnetic Instability in Disordered Systems: A Hartree-Fock Approach

  ORAL

  March 22, 2005, 1:42 PM – March 22, 2005, 1:54 PM

  Authors

  • Xiao Yang

    • Physics Department, University of Virginia

  • Chetan Nayak

    • University of California, Los Angeles
    • Physics Department, University of California, Los Angeles

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• Superfluid--Solid Quantum Phase Transitions and Landau-Ginzburg-Wilson Paradigm

  ORAL

  March 22, 2005, 1:54 PM – March 22, 2005, 2:06 PM

  Authors

  • Anatoly Kuklov

    • CSI, CUNY
    • CUNY-Staten Island
    • The College of Staten Island, CUNY

  • Nikolay Prokof'ev

    • Dept. of Physics, UMASS, Amherst; "Kurchatov Institute", Moscow
    • University of Massachusetts
    • Department of Physics, University of Massachusetts, MA 01003; Russian Research Center ``Kurchatov Institute", 123182 Moscow, Russia

  • Boris Svistunov

    • UMASS, Amherst, and Kurchatov Institute, Moscow
    • University of Massachusetts, Amherst
    • Univ. of Massachusetts, Amherst
    • University of Massachusetts
    • Department of Physics, University of Massachusetts, MA 01003; Russian Research Center ``Kurchatov Institute", 123182 Moscow, Russia

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• Broken Symmetries and Gapless Excitations of SU(N) Antiferromagnets Investigated With Variational Wavefunctions

  ORAL

  March 22, 2005, 2:06 PM – March 22, 2005, 2:18 PM

  Authors

  • Arun Paramekanti

    • UC Berkeley

  • J.B. Marston

    • Brown University

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• Current Carrying Ground State in a Bi-layer Model

  ORAL

  March 22, 2005, 2:18 PM – March 22, 2005, 2:30 PM

  Authors

  • Sylvain Capponi

    • Laboratoire de Physique Theorique, Toulouse
    • Laboratoire de Physique Th\'eorique UMR 5152, Universit\'e Paul Sabatier,118 route de Narbonne, 31062 Toulouse, France
    • LPT Toulouse UMR 5152

  • Congjun Wu

    • Department of Physics, Stanford University

  • Shou-Cheng Zhang

    • Stanford University
    • Department of Physics, Stanford University

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• Form of the exact partition function for the generalized Ising model

  ORAL

  Authors

  • T.R.S. Prasanna

    • Dept. of Met. Engg. and Matls. Sci, IIT Bombay
    • Dept. of Met. Engg and Matls. Sci, IIT Bombay

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• Valence bond orders in spin-1/2 antiferromagnets in three dimensions

  ORAL

  Authors

  • Olexei I. Motrunich

    • KITP

  • T. Senthil

    • MIT

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