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Название: Spectrum of Certain Non-Self-Adjoint Operators and Solutions of Langevin Equations with Complex Drift
Авторы: Kiauder J., Petersen W.
As part of a program to evaluate expectations in complex distributions by long-term averages of solutions to Langevin equations with complex dirft, a simple one-dimensional example is examined in some detail. The validity and rate of convergence of this scheme depends on the spectrum of an associated non-selfadjoint Hamiltonian which is found numerically. In the regime where the stochastic evaluation should be accurate numerical solution of the Langevin equation shows this to be the case.