Continuum quantum ferromagnets at finite temperature and the Quantum Hall effect
arXiv:cond-mat/9507103 · doi:10.1103/PhysRevLett.75.3509
Abstract
We study finite temperature () properties of the continuum quantum field theory of systems with a ferromagnetic ground state. A scaling theory of the system is discussed carefully, and its consequences for crossovers between different finite regimes in dimensions 1, 2, and 3 are described. The results are compared with recent NMR measurements of the magnetization of a quantum Hall system with filling factor ; we predict that the relaxation rate of this system may have a finite ``ferromagnetic coherence peak''.
11 pages, REVTEX 3.0, 3 postscript figures
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