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VOLUME 53 | ISSUE 9 | PAGE 479
Quantum polaron
A polaron of a new type is proposed. In it, the localization of the electron is not accompanied by a deformation of the lattice, as in an ordinary polaron. The "clothing" on the polaron in this case arises from a local suppression of quantum fluctuations of the lattice. Such a polaron arises if the quadratic electron-phonon interaction is strong.




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