Cooperative Phenomena: Phase Transition in Magnetic Systems

Presentations

• Spin-wave spectrum and magnetic phase diagram of hexagonal HoMnO$_{3}$

  ORAL

  March 22, 2005, 5:00 AM – March 22, 2005, 5:12 AM

  Authors

  • O.P. Vajk

    • NIST Center for Neutron Research
    • National Institute of Standards and Technology

  • M. Kenzelmann

  • J.W. Lynn

  • S.B. Kim

  • S.-W. Cheong

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• Magnetic phase diagram of RFe$_4$Al$_8$ (R$=$Dy,Gd,Lu) single crystals

  ORAL

  March 22, 2005, 5:12 AM – March 22, 2005, 5:24 AM

  Authors

  • M. Angst

  • A. Kreyssig

  • A.I. Goldman

  • P.C. Canfield

    • Ames Laboratory USDOE and Department of Physics and Astronomy, Iowa State University, Ames, IA

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• The magnetic phase diagram of single-crystal antiferromagnetic Ce$_2$Fe$_{17}$

  ORAL

  March 22, 2005, 5:24 AM – March 22, 2005, 5:36 AM

  Authors

  • Y. Janssen$^1$

  • Y. A. Mozharivskyj$^{1,2}$

  • S. Jia$^{1,3}$

  • P. C. Canfield$^{1,3}$

    • Ames Laboratory$^1$, Dept. of Chemistry$^2$, Dept. of Physics and Astronomy$^3$, Iowa State University

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• Critical Behavior of a Compressible Ising Antiferromagnet at Constant Pressure

  ORAL

  March 22, 2005, 5:36 AM – March 22, 2005, 5:48 AM

  Authors

  • Xiaoliang Zhu

  • F. Tavazza

  • D.P. Landau

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• Transverse Magnetic Susceptibility in an Ising Spin Liquid

  ORAL

  March 22, 2005, 5:48 AM – March 22, 2005, 6:00 AM

  Authors

  • D. M. Silevitch

  • C. Ancona-Torres

  • T. F. Rosenbaum

    • University of Chicago
    • James Franck Institute/University of Chicago

  • G. Aeppli

    • University College, London

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• Half-Magnetization Plateau in the Pyrochlore Spin-Peierls Model

  ORAL

  March 22, 2005, 6:00 AM – March 22, 2005, 6:12 AM

  Authors

  • Yukitoshi Motome

    • RIKEN (The Institute of Physical and Chemical Research), Japan

  • Nic Shannon

    • Max-Planck-Institut f\"ur Physik komplexer Systeme, Germany

  • Karlo Penc

    • Research Institute for Solid State Physics and Optics, Hungary

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• Bose Glass Phase in Heisenberg Dimer Systems

  ORAL

  March 22, 2005, 6:12 AM – March 22, 2005, 6:24 AM

  Authors

  • Omid Nohadani

    • University of Southern California

  • Stefan Wessel

    • University of Stuttgart
    • ITP Universitat Stuttgard
    • University of Stuttgart, Germany

  • Stephan Haas

    • University of Southern California
    • Department of Physics \& Astronomy, University of Southern California, Los Angeles, CA 90089-0484
    • Univ. of Southern California
    • Department of Physics and Astronomy, University of Southern California, Los Angeles

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• NMR Investigation of 2D Frustrated Heisenberg Antiferromagnet -

  ORAL

  March 22, 2005, 6:24 AM – March 22, 2005, 6:36 AM

  Authors

  • V.F. Mitrovi{\'c}

  • M-A. Vachon

    • Department of Physics, Brown University

  • A.P. Reyes

    • National High Magnetic Field Laboratory

  • R. Coldea

    • Clarendon Laboratory, Oxford University

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• $\mu$SR study of $\mathrm{LiHo_xY_{1-x}F}$

  ORAL

  March 22, 2005, 6:36 AM – March 22, 2005, 6:48 AM

  Authors

  • J. Rodriguez

  • S. Dunsiger

  • G.J. MacDougall

  • G.M. Luke

    • McMaster University

  • Y.J. Uemura

    • Columbia University

  • P. Russo

  • A.T. Savici

    • Columbia University

  • J. Quilliam

    • University of Waterloo

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• Exact Solution of the Heinsenberg-Kondo Quantum Spin Glass, Showing that an Infinite Order Quantum Phase Transition Occurs Between the Quantum Spin Glass and Kondo Spin Quenched Phases at a Temperature of Order Ten Times Lower than that Given by Mean Fi

  ORAL

  March 22, 2005, 6:48 AM – March 22, 2005, 7:00 AM

  Authors

  • Robert Schrieffer

    • Department of Physics and National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310
    • Physics Department and National High Magnetic Field Lab, Florida State University, Tallahassee, FL 32310.
    • National High Magnetic Field Laboratory and Department of Physics, Florida State University, Tallahassee, FL 32310

  • Bernard Coqblin

    • Laboratoire de Physique des Solides,Université Paris-Sud, 91405, Orsay Cedex, France
    • de Physiques des Solides, CNRS, University Paris-Sud, Orsay, France

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• SU(2)-invariant spin 1/2 Hamiltonians with RVB and other valence bond phases

  ORAL

  March 22, 2005, 7:00 AM – March 22, 2005, 7:12 AM

  Authors

  • Kumar S. Raman

  • Shivaji Sondhi

    • Princeton University

  • Roderich Moessner

    • Ecole Normale Superieure

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• A new method for analyzing second-order phase transitions applied to the ferromagnetic transition of a polaronic system

  ORAL

  March 22, 2005, 7:12 AM – March 22, 2005, 7:24 AM

  Authors

  • John J. Neumeier

    • Montana State University

  • Y-K. Yu

    • National Center for Biotechnology Information, NIH

  • J. A. Souza

    • Universidade de S\~ao Paulo

  • H. Terashita

    • Montana State University

  • R. F. Jardim

    • Universidade de S\~ao Paulo

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• Fermi liquid description of the helical magnetism, phase transitions, and collective modes in MnSi.

  ORAL

  March 22, 2005, 7:24 AM – March 22, 2005, 7:36 AM

  Authors

  • Jason Jackiewicz

  • Kevin Bedell

    • Boston College

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• Effect of anisotropies on magnetic quantum phase transitions

  ORAL

  March 22, 2005, 7:36 AM – March 22, 2005, 7:48 AM

  Authors

  • B. Normand

    • Departement de Physique, Universite de Fribourg,
    • Uni. Fribourg, Switzerland

  • M. E. Zhitomirsky

    • CEA Grenoble, France

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• Phase transitions and symmetries of quantum dots in applied magnetic fields

  ORAL

  March 22, 2005, 7:48 AM – March 22, 2005, 8:00 AM

  Authors

  • Wolfgang Geist

  • M.Y. Chou

    • School of Physics, Georgia Institute of Technology
    • Georgia Tech
    • Georgia Institute of Technology

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