Symmetry Breaking in a Quantum Double-Well Chain
We present numerical evidence that quantum fluctuations can produce a symmetric ground-state in the double-well chain, restoring the symmetry that is broken classically. In particular, we present the phase diagram for this model that shows the symmetry restoration occurs more easily than predicted by a perturbation theory calculation of the continuum limit of the model.
KeywordsContinuum Limit Alamos National Laboratory Quantum Fluctuation Hydrogen Halide Quantum Monte Carlo Simulation
Unable to display preview. Download preview PDF.
- J. E. Hirsch and E. Fradkin, Phys. Rev. B 27, 4032 (1983).Google Scholar
- 9.K. Binder, in Applications of the Monte Carlo Method to Statistical Physics,edited by K. Binder (Springer-Verlag, Berlin, 1984), Chap. 1.Google Scholar
- 11.Xidi Wang, D. K. Campbell, J. E. Gubernatis, “Symmmetry breaking in a quantum double-well chain,” unpublished.Google Scholar
- 13.Xidi Wang, D. K. Campbell, G. A. Baker, Jr., and J. E. Gubernatis, “Conformal charge of the two-dimensional ø4field theory,” unpublished.Google Scholar