Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2007-11-13
Pis'ma Zh.Eksp.Teor.Fiz., v.86, p.41 (2007) [JETP Letters, v.86, p.39 (2007)]
Physics
Condensed Matter
Statistical Mechanics
PDF, 7 pages
Scientific paper
10.1134/S0021364007130097
The use of a new method for summing divergent series makes it possible to significantly increase the accuracy of determining the critical exponents from the field theoretical renormalization group. The exponent value \nu=0.6700\pm 0.0006 for the \lambda-transition in liquid helium is in good agreement with the experiment, but contradicts the last theoretical results based on using high-temperature series, the Monte Carlo method, and their synthesis.
Pogorelov A. A.
Suslov Igor M.
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