Yavidov, B.; Kurmantayev, A.; Alimov, D.; Kurbanbekov, B.; … - In: The European Physical Journal B - Condensed Matter and … 86 (2013) 7, pp. 1-6
Here, we consider an interacting electron-phonon system within the framework of extended Holstein-Hubbard model at strong enough electron-phonon interaction limit in which (bi)polarons are the essential quasiparticles of the system. It is assumed that the electron-phonon interaction is screened...