Coarse-graining approach to first-order phase transitions |
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| Authors: | K. Gawedzki R. Kotecký A. Kupiainen |
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| Affiliation: | (1) Institut des Hautes Etudes Scientifiques, CNRS, 91440 Bures-sur-Yvette, France;(2) Department of Mathematical Physics, Charles University, 18000 Prague, Czechoslovakia;(3) Research Institute for Theoretical Physics, University, 00170 Helsinki, Finland |
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| Abstract: | On an example of a simple spin system with two ground states and no symmetry, we show how to control low-temperature systems near first-order phase transitions by a straightforward renormalization group argument. The method, as opposed to the Pirogov-Sinai approach, also works for complex Hamiltonians. |
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| Keywords: | First-order phase transitions renormalization group contour models |
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