Lopatin, A. V.Vinokur, V. M.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1849510.17877/DE290R-16140enThe American Physical SocietyPhysical Review Letters530Instanton Approach to the Langevin Motion of a Particle in a Random Potential10.1103/PhysRevLett.86.1817article (journal)