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TT: Fachverband Tiefe Temperaturen

TT 30: CE: Low-dimensional Systems - Models 1

TT 30.6: Talk

Thursday, March 25, 2010, 10:45–11:00, H20

Renormalization group study of Luttinger liquids with boundaries — •Stephan Grap and Volker Meden — Inst. Theo. Physik A RWTH Aachen

We use Wilsons weak coupling ``momentum'' shell renormalization group method to show that two-particle interaction terms commonly neglected in bosonization of one-dimensional correlated electron systems with open boundaries are indeed irrelevant in the renormalization group sense. Our study provides a more solid ground for many investigations of Luttinger liquids with open boundaries.