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cond-mat.stat-mech2002★ 17 cited
Competing tunneling trajectories in a 2D potential with variable topology as a model for quantum bifurcations
V. A. Benderskii, E. V. Vetoshkin, E. I. Kats +2
We present a path - integral approach to treat a 2D model of a quantum bifurcation. The model potential has two equivalent minima separated by one or two saddle points, depending o…
cond-mat.stat-mech2002★ 7 cited
Semiclassical approach to states near potential barrier top
V. A. Benderskii, E. V. Vetoshkin, ; E. I. Kats
Within the framework of the instanton approach we present analytical results for the following model problems: (i) particle penetration through a parabolic potential barrier, where…