Kseniya A. Lobach, Sergey G. Ovchinnikov, “Renormalization-group analysis of 1D Hubbard model”, J. Sib. Fed. Univ. Math. Phys., 2012, Volume 5, Issue 2,Pages <nobr>223

Renormalization-group analysis of 1D Hubbard model

Kseniya A. Lobach, Sergey G. Ovchinnikov

Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, Russia

Abstract: Ground state energy of 1D Hubbard model is obtained using a real-space renormalization-group tehnique. We study half-field Hubbard model with nearest-neighbor hopping.

Keywords: 1D Hubbard model, renormalization-group, ground state energy.

UDC: 548+537.1

Received: 01.11.2011
Received in revised form: 09.12.2011
Accepted: 20.01.2012