作者: A. Barone , F. Esposito , C. J. Magee , A. C. Scott
DOI: 10.1007/BF02820622
关键词: Partial differential equation 、 Differential equation 、 Summation equation 、 Hill differential equation 、 Helmholtz equation 、 Physics 、 Kadomtsev–Petviashvili equation 、 Burgers' equation 、 Laplace's equation 、 Mathematical physics
摘要: In 1939 I~ RENKEL and KONTOROVA studied the propagation of a (, slip~> in an infinite chain of elastically bound atoms lying over a fixed lower chain of similar atoms [1]. To describe this effect they obtained a difference differential equation which can be approximated as the partial differential equation