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001     41201
005     20230426083052.0
017 _ _ |a This version is available at the following Publisher URL: http://prb.aps.org
024 7 _ |a 10.1103/PhysRevB.70.094510
|2 DOI
024 7 _ |a WOS:000224209200087
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024 7 _ |a 2128/1380
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037 _ _ |a PreJuSER-41201
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Physics, Condensed Matter
100 1 _ |a Koch, E.
|b 0
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245 _ _ |a Renormalization of the electron-phonon coupling in the one-band Hubbard model
260 _ _ |a College Park, Md.
|b APS
|c 2004
300 _ _ |a 094510
336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
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440 _ 0 |a Physical Review B
|x 1098-0121
|0 4919
|v 70
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a We investigate the effect of electronic correlations on the coupling of electrons to Holstein phonons in the one-band Hubbard model. We calculate the static electron-phonon vertex within the linear response of Kotliar-Ruckenstein slave bosons in the paramagnetic saddle-point approximation. Within this approach the on-site Coulomb interaction U strongly suppresses the coupling to Holstein phonons at low temperatures. Moreover, the vertex function does not show particularly strong forward scattering. Going to larger temperatures kTsimilar tot we find that after an initial decrease with U, the electron-phonon coupling starts to increase with U, confirming a recent result of Cerruti, Cappelluti, and Pietronero. We show that this behavior is related to an unusual reentrant behavior from a phase separated to a paramagnetic state upon decreasing the temperature.
536 _ _ |a Kondensierte Materie
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542 _ _ |i 2004-09-21
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588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
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700 1 _ |a Zeyher, R.
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773 1 8 |a 10.1103/physrevb.70.094510
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|d 2004-09-21
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|t Physical Review B
|v 70
|y 2004
|x 1098-0121
773 _ _ |a 10.1103/PhysRevB.70.094510
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856 7 _ |u http://dx.doi.org/10.1103/PhysRevB.70.094510
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920 1 _ |k IFF-TH-I
|l Theorie I
|d 31.12.2006
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