Premium
Functional Integrals in the Strong Coupling Regime and the Polaron Self‐Energy
Author(s) -
Efimov G. V.,
Ganbold G.
Publication year - 1991
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221680116
Subject(s) - polaron , coupling (piping) , coupling constant , representation (politics) , ground state , physics , constant (computer programming) , energy (signal processing) , state (computer science) , energy functional , quantum electrodynamics , quantum mechanics , statistical physics , computer science , materials science , electron , algorithm , politics , political science , law , metallurgy , programming language
A general method of representation of functional integrals in the strong coupling regime is developed. This method is applied to the computing of polaron ground state energy at large coupling constant.