256 citations · 2.6k across the 81 of their papers we have counts for
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Quantum Effects in Barrier Dynamics
Joachim Ankerhold, Hermann Grabert
The dynamics near the top of a potential barrier is studied in the temperature region where quantum effects become important. The time evolution of the density matrix of a system t…
Semiclassical Density Matrix Near the Top of a Barrier
F. J. Weiper, J. Ankerhold, H. Grabert
Employing the path integral approach, we calculate the semiclassical equilibrium density matrix of a particle moving in a nonlinear potential field for coordinates near the top of…
Coulomb Charging at Large Conduction
Xiaohui Wang, Hermann Grabert
We discuss the suppression of Coulomb charging effects on a small metallic island coupled to an electrode by a tunnel junction. At high temperatures the quantum corrections to the…
Dissipative Quantum Systems with Potential Barrier. General Theory and Parabolic Barrier
Joachim Ankerhold, Hermann Grabert, Gert-Ludwig Ingold
We study the real time dynamics of a quantum system with potential barrier coupled to a heat-bath environment. Employing the path integral approach an evolution equation for the ti…