1999

Kirova, N., Brazovskii, S., Bishop, A.R. Synthetic Metals 100 (1999) 29-53

Stephen C. Creagh 1, 2, Niall D. Whelan 2, 3 Annals of Physics 272 (1999) 196-242 It is shown that tunnelling splittings in ergodic double wells and resonant widths in ergodic metastable wells can be approximated as easily-calculated matrix elements involving the wavefunction in the neighbourhood of a certain real orbit. This orbit is a continuation of the complex orbit which