Surmounting oscillating barriers

Authors
Lehmann, J Reimann, P Hanggi, P
Citation
J. Lehmann et al., Surmounting oscillating barriers, PHYS REV L, 84(8), 2000, pp. 1639-1642
Citations number
16
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
84
Issue
8
Year of publication
2000
Pages
1639 - 1642
Database
ISI
SICI code
0031-9007(20000221)84:8<1639:SOB>2.0.ZU;2-6
Abstract
Thermally activated escape over a potential barrier in the presence of peri odic driving is considered. By means of novel time-dependent path-integral methods we derive asymptotically exact weak-noise expressions for both the instantaneous and the time-averaged escape rate. The agreement with accurat e numerical results is excellent over a wide range of driving strengths and driving frequencies.