期刊
PHYSICAL REVIEW B
卷 62, 期 21, 页码 14237-14245出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.62.14237
关键词
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We have simulated, using parallel tempering, the three-dimensional Ising spin glass model with binary couplings in a helicoidal geometry. The largest lattice (L=20) has been studied using a dedicated computer (the SUE machine). We have obtained, measuring die correlation length in the critical region, strong evidence for a second-order finite-temperature phase transition, ruling out other possible scenarios like a Kosterlitz-Thouless phase transition. Precise values for the nu and eta critical exponents are also presented.
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