Finite Temperature Density Matrix Renormalization using an enlarged Hilbert space

Details Finite Temperature Density Matrix Renormalization using an enlarged Hilbert space Finite Temperature Density Matrix Renormalization using an enlarged Hilbert space

2005-10-05

arxiv.org/abs/cond-mat/0510124v2

Phys. Rev. B 72, 220401 (2005)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages and 4 figures

Scientific paper

10.1103/PhysRevB.72.220401

We apply a generalization of the time-dependent DMRG to study finite
temperature properties of several quantum spin chains, including the frustrated
$J_1-J_2$ model. We discuss several practical issues with the method, including
use of quantum numbers and finite size effects. We compare with transfer-matrix
DMRG, finding that both methods produce excellent results.

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