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...

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Autors principals:	Robinson, N, Essler, F, Jeckelmann, E, Tsvelik, A
Format:	Journal article
Idioma:	English
Publicat:	American Physical Society 2012

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