Document Type
Article
Date of Original Version
1999
Abstract
It is shown that a recently discovered representation of the Green’s function is equivalent to a certain “dynamical ansatz” for the corresponding path integral, which brings about a convenient method of nonperturbative approximations. Based on this observation, a set of nonperturbative approximations to the trace of the Green’s function is established.
Citation/Publisher Attribution
Dabaghian, Y. A. (1999). Dynamical ansatz for path integrals and nonperturbative trace formulas. Phys. Rev. E, 60(!), 324-334. doi: 10.1103/PhysRevE.60.324
Available at: https://doi.org/10.1103/PhysRevE.60.324
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