Simon, Barry Department of Mathematics, Princeton University, Princeton, New Jersey.
Last reviewed:June 2020
- Feynman-Kac formula
- Euclidean quantum field theories
- Statistical mechanics analogy
- Related Primary Literature
- Additional Reading
A technique, also called the sum over histories, which is basic to understanding and analyzing the dynamics of quantum systems. It is named after fundamental work of R. Feynman. The crucial formula gives the quantum probability density for transition from a point q0 to a point q1 in time t as expression (1),
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