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cond-mat.stat-mech2009★ 43 cited
Minimum action method for the Kardar-Parisi-Zhang equation
Hans C. Fogedby, Weiqing Ren
We apply a numerical minimum action method derived from the Wentzell-Freidlin theory of large deviations to the Kardar-Parisi-Zhang equation for a growing interface. In one dimensi…
cond-mat.stat-mech2005
Numerical study of metastability due to tunneling: The quantum string method
Tiezheng Qian, Weiqing Ren, Jing Shi +2
We generalize the string method, originally designed for the study of thermally activated rare events, to the calculation of quantum tunneling rates. This generalization is based o…