期刊
PHYSICAL REVIEW E
卷 85, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.85.022101
关键词
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资金
- Korea Research Foundation [2011-0007322]
- Kyunpook National University
- National Research Foundation of Korea [2011-0007322] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The critical exponents were measured for absorbing phase transitions in the conserved lattice gas (CLG) model on a simple cubic lattice. The correlation-length exponent calculated from the dynamic exponent obtained by finite-size scaling and from the mean spreading distance was consistently found to be v(perpendicular to) = 0.631 +/- 0.02, which yields a positive specific heat exponent alpha = 2 - dv(perpendicular to) on a pure system. The pure fixed point should, thus, be unstable if the Harris criterion established in equilibrium systems is applicable to the nonequilibrium absorbing phase transitions of the CLG model. However, this prediction is in contradiction with recent simulation results.
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