Non-polynomial phonon action for a dimer with one electron

Standard

Non-polynomial phonon action for a dimer with one electron. / Pucci, R.; Yarunin, V.; Zhuravlev, M.

In: Journal of Physics A: Mathematical and General, Vol. 31, No. 14, 10.04.1998, p. 3185-3192.

Research output: Contribution to journal › Article › peer-review

Author

Pucci, R. ; Yarunin, V. ; Zhuravlev, M. / Non-polynomial phonon action for a dimer with one electron. In: Journal of Physics A: Mathematical and General. 1998 ; Vol. 31, No. 14. pp. 3185-3192.

BibTeX

@article{d5753e152baa43d1a4edf596f61f6a8f,

title = "Non-polynomial phonon action for a dimer with one electron",

abstract = "The partition function of a dimer with one electron, interacting with two local Einstein phonons, is reduced to the pure phonon partition function. It is investigated analytically in the coherent-state path-integral representation in order to recognize the competition between electron hopping and electron-phonon interaction. The non-polynomial term in the phonon action, promoted by electron hopping, is deduced. The low-temperature resonance decoupling between electron and phonon systems destroys the low-temperature tendency of electron localization in the case of small hopping and large electron-phonon coupling. The comparison with polaronic theory is completed.",

author = "R. Pucci and V. Yarunin and M. Zhuravlev",

year = "1998",

month = apr,

day = "10",

doi = "10.1088/0305-4470/31/14/007",

language = "English",

volume = "31",

pages = "3185--3192",

journal = "Journal of Physics A: Mathematical and Theoretical",

issn = "1751-8113",

publisher = "IOP Publishing Ltd.",

number = "14",

}

RIS

TY - JOUR

T1 - Non-polynomial phonon action for a dimer with one electron

AU - Pucci, R.

AU - Yarunin, V.

AU - Zhuravlev, M.

PY - 1998/4/10

Y1 - 1998/4/10

N2 - The partition function of a dimer with one electron, interacting with two local Einstein phonons, is reduced to the pure phonon partition function. It is investigated analytically in the coherent-state path-integral representation in order to recognize the competition between electron hopping and electron-phonon interaction. The non-polynomial term in the phonon action, promoted by electron hopping, is deduced. The low-temperature resonance decoupling between electron and phonon systems destroys the low-temperature tendency of electron localization in the case of small hopping and large electron-phonon coupling. The comparison with polaronic theory is completed.

AB - The partition function of a dimer with one electron, interacting with two local Einstein phonons, is reduced to the pure phonon partition function. It is investigated analytically in the coherent-state path-integral representation in order to recognize the competition between electron hopping and electron-phonon interaction. The non-polynomial term in the phonon action, promoted by electron hopping, is deduced. The low-temperature resonance decoupling between electron and phonon systems destroys the low-temperature tendency of electron localization in the case of small hopping and large electron-phonon coupling. The comparison with polaronic theory is completed.

UR - http://www.scopus.com/inward/record.url?scp=0032502525&partnerID=8YFLogxK

U2 - 10.1088/0305-4470/31/14/007

DO - 10.1088/0305-4470/31/14/007

M3 - Article

AN - SCOPUS:0032502525

VL - 31

SP - 3185

EP - 3192

JO - Journal of Physics A: Mathematical and Theoretical

JF - Journal of Physics A: Mathematical and Theoretical

SN - 1751-8113

IS - 14

ER -

ID: 51232349