Exact Ground State Energy of the Strong -

@inproceedings{Lieb1997ExactGS,
  title={Exact Ground State Energy of the Strong -},
  author={CouplingPolaronElliott H. Lieb and Lawrence E. Thomas},
  year={1997}
}
The polaron has been of interest in condensed matter theory and eld theory for about half a century, especially its strong coupling limit. It was not until 1983, however, that a proof of the asymptotic formula for the ground state energy was nally given by using diicult arguments involving the large deviation theory of path integrals. Here we derive the same asymptotic result, E 0 ?C 2 , and with explicit error bounds, by simple, rigorous methods applied directly to the Hamiltonian. Our method… CONTINUE READING

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