On the best quadratic approximation in Feynman's path integral treatment of the polaron

DOI10.1016/S0375-9601(01)00287-0zbMath0983.81531arXivcond-mat/0011332OpenAlexW2056890786MaRDI QIDQ5936803

No author found.

Publication date: 8 July 2001

Published in: Physics Letters. A (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/cond-mat/0011332

zbMATH Keywords

ground state energynonlinear variational equationsretarded polaron action

Mathematics Subject Classification ID

Feynman integrals and graphs; applications of algebraic topology and algebraic geometry (81Q30) Many-body theory; quantum Hall effect (81V70)

Cites Work

• Unnamed Item
• Constant external fields in gauge theory and the \(\text{spin}-0, \frac{1}{2}, 1\) path integrals
• Worldline path integral for the massive Dirac propagator: A four-dimensional approach
• Slow Electrons in a Polar Crystal

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