Ordering in Heisenberg Spin Glasses

Abstract

For five different Heisenberg spin glass systems, torque experiments were performed in applied magnetic fields up to $4T$. The Dzyaloshinski-Moriya random anisotropy strengths, the in-field torque onset temperatures, and the torque relaxation were measured. Critical exponents were estimated independently using a standard protocol. The data are strong evidence for a true spin glass ordered state which survives under high applied magnetic fields; they can be interpreted consistently in terms of a chiral ordering model with replica symmetry breaking as proposed by Kawamura and coworkers.

4 pages 4 figures. Revised version accepted by PRL

References in corpus (4)

• Aging, rejuvenation and memory effects in Ising and Heisenberg spin glasses
• Zero-temperature responses of a 3D spin glass in a field
• Ordering of the three-dimensional Heisenberg spin glass in magnetic fields
• Monte Carlo Studies of the Ordering of the Three-Dimensional Isotropic Heisenberg Spin Glass in Magnetic Fields

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