Finite wave vector pairing in doped two-leg ladders

Finite wave vector pairing in doped two-leg ladders

We consider the effects of Umklapp processes in doped two-leg fermionic ladders. These may emerge either at special band fillings or as a result of the presence of external periodic potentials. We show that such Umklapp processes can lead to profound changes of physical properties and in particular...

Полное описание

Библиографические подробности
Главные авторы:	Robinson, N, Essler, F, Jeckelmann, E, Tsvelik, A
Формат:	Journal article
Язык:	English
Опубликовано:	American Physical Society 2012

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