30 citations · 69 across the 12 of their papers we have counts for
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math-ph2003★ 6 cited
The integrated density of states for an interacting multielectron homogeneous model
Frederic Klopp, Heribert Zenk
For a system of n interacting electrons moving in the background of a "homogeneous" potential, we show that, if the single electron Hamiltonian admits a density of states, so does…
math-ph2003★ 14 cited
Geometric tools of the adiabatic complex WKB method
Alexander Fedotov, Frederic Klopp
The paper is devoted to the description of the main geometric and analytic tools of a complex WKB method for adiabatic problem. We illustrate their use by numerous examples.