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Homogenization of Highly Oscillatory Hamiltonian Systems

Please always quote using this URN: urn:nbn:de:0297-zib-2050
  • The paper studies Hamiltonian systems with a strong potential forcing the solutions to oscillate on a very small time scale. In particular, we are interested in the limit situation where the size $\epsilon$ of this small time scale tends to zero but the velocity components remain oscillating with an amplitude variation of order ${\rm O}(1)$. The process of establishing an effective initial value problem for the limit positions will be called {\em homogenization} of the Hamiltonian system. This problem occurs in mechanics as the problem of realization of holonomic constraints, in plasma physics as the problem of guiding center motion, in the simulation of biomolecules as the so called smoothing problem. We suggest the systematic use of the notion of {\em weak convergence} in order to approach this problem. This methodology helps to establish unified and short proofs of the known results which throw light on the inherent structure of the problem. Moreover, we give a careful and critical review of the literature.

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Author:Folkmar A. Bornemann, Christof Schütte
Document Type:ZIB-Report
Date of first Publication:1995/12/08
Series (Serial Number):ZIB-Report (SC-95-39)
Published in:Appeared under the title: Homogenization of Hamiltonian Systems with a Strong Constraining Potential in: Physica D 102 (1997) 57-77
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