Critical exponents and equation of state of three-dimensional spin models
نویسندگان
چکیده
Three-dimensional spin models of the Ising and XY universality classes are studied by a combination of hightemperature expansions and Monte Carlo simulations. Critical exponents are determined to very high precision. Scaling amplitude ratios are computed via the critical equation of state. Our results are compared with other theoretical computations and with experiments, with special emphasis on the λ transition of He.
منابع مشابه
High-precision estimates of critical quantities by means of improved Hamiltonians
Three-dimensional spin models of the Ising and XY universality classes are studied by a combination of high-temperature expansions and Monte Carlo simulations applied to improved Hamiltonians. The critical exponents and the critical equation of state are determined to very high precision.
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تاریخ انتشار 2000