Probabilistic Approximation of the Evolution Operator


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Abstract

A method for approximation of the operator e−itH, where \(H = - \frac{1}{2}\frac{{{d^2}}}{{d{x^2}}} + V(x)\), in the strong operator topology is proposed. The approximating operators have the form of expectations of functionals of a certain random point field.

About the authors

I. A. Ibragimov

St. Petersburg Department of Steklov Mathematical Institute, Russian Academy of Sciences; St. Petersburg State University

Author for correspondence.
Email: ibr32@pdmi.ras.ru
Russian Federation, St. Petersburg; St. Petersburg

N. V. Smorodina

St. Petersburg Department of Steklov Mathematical Institute, Russian Academy of Sciences; St. Petersburg State University

Email: ibr32@pdmi.ras.ru
Russian Federation, St. Petersburg; St. Petersburg

M. M. Faddeev

St. Petersburg Department of Steklov Mathematical Institute, Russian Academy of Sciences; St. Petersburg State University

Email: ibr32@pdmi.ras.ru
Russian Federation, St. Petersburg; St. Petersburg

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