Session Index

Session L38: Phase Transitions in Model Magnets

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Abstracts
Sponsoring Units: DCMP
Chair: Markus Huecker, Brookhaven National Lab
Room: LACC 513


Tuesday, March 22, 2005
2:30PM - 2:42PM

L38.00001: Magnetic Field Induced Shifts of the Spin Rotation Phase Transition of GdFe$_3$(BO$_3$)$_4$
Fei Yen , Bernd Lorenz , A.N. Vasiliev , L.N. Bezmaternykh , C.W. Chu

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Tuesday, March 22, 2005
2:42PM - 2:54PM

L38.00002: Neutron Scattering Studies of the Random Field Domain State in CsCo$_{0.83}$Mg$_{0.17}$Br$_3$
John-Paul Castellan , B.D. Gaulin , W.J.L. Buyers , J. van Duijn

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Tuesday, March 22, 2005
2:54PM - 3:06PM

L38.00003: Field-Induced ordering in NiCl2-4SC(NH2)2
V.S. Zapf , D. Zocco , M. Jaime , A. Lacerda , A. Paduan-Filho

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Tuesday, March 22, 2005
3:06PM - 3:18PM

L38.00004: Magnetic Transition in Antiferromagnetic Spin-$\frac{1}{2}$ Chains with Staggered Long-Range Interactions
Nicolas Laflorencie , Ian Affleck , Mona Berciu

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Tuesday, March 22, 2005
3:18PM - 3:30PM

L38.00005: Spin Peierls transitions within the 1/4-filled Peierls extended Hubbard model
R.P. Hardikar , R. Torsten Clay

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Tuesday, March 22, 2005
3:30PM - 3:42PM

L38.00006: Criticality in 2-D frustrated quantum triangular antiferromagnets
Jason Alicea , Michael Hermele , Olexei I. Motrunich , Matthew P. A. Fisher

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Tuesday, March 22, 2005
3:42PM - 3:54PM

L38.00007: Quantum Griffiths effects in itinerant Heisenberg magnets
Thomas Vojta , Joerg Schmalian

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Tuesday, March 22, 2005
3:54PM - 4:06PM

L38.00008: On Spin 1/2 Excitations and Quantum Criticality in Two Dimensional $O(3)$ Antiferromagnets
Zaira Nazario , David Santiago

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Tuesday, March 22, 2005
4:06PM - 4:18PM

L38.00009: On Fractionalized Quantum Criticality in Two Dimensional $O(3)$ Antiferromagnets
David Santiago , Zaira Nazario

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Tuesday, March 22, 2005
4:18PM - 4:30PM

L38.00010: U(1) spin liquids and valence bond solids in a large-N three-dimensional Heisenberg model
Jean-Sebastien Bernier , Ying-Jer Kao , Yong Baek Kim

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Tuesday, March 22, 2005
4:30PM - 4:42PM

L38.00011: Evolution of the single-hole spectral function across a quantum phase transition in the anisotropic-triangular-lattice antiferromagnet
So Takei , Chung-Hou Chung , Yong Baek Kim

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Tuesday, March 22, 2005
4:42PM - 4:54PM

L38.00012: Ferromagnetic Instability in Disordered Systems: A Hartree-Fock Approach
Xiao Yang , Chetan Nayak

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Tuesday, March 22, 2005
4:54PM - 5:06PM

L38.00013: Superfluid--Solid Quantum Phase Transitions and Landau-Ginzburg-Wilson Paradigm
A.B. Kuklov , N.V. Prokof'ev , B.V. Svistunov

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Tuesday, March 22, 2005
5:06PM - 5:18PM

L38.00014: Broken Symmetries and Gapless Excitations of SU(N) Antiferromagnets Investigated With Variational Wavefunctions
Arun Paramekanti , Brad Marston

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Tuesday, March 22, 2005
5:18PM - 5:30PM

L38.00015: Current Carrying Ground State in a Bi-layer Model
Sylvain Capponi , Congjun Wu , Shou-Cheng Zhang

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L38.00016: Form of the exact partition function for the generalized Ising model
T.R.S. Prasanna

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L38.00017: Valence bond orders in spin-1/2 antiferromagnets in three dimensions
Olexei Motrunich , T. Senthil

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