DMRG and periodic boundary conditions: a quantum information perspective

Details DMRG and periodic boundary conditions: a quantum information perspective DMRG and periodic boundary conditions: a quantum information perspective

2004-04-29

arxiv.org/abs/cond-mat/0404706v1

Phys. Rev. Lett. 93, 227205 (2004)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages

Scientific paper

10.1103/PhysRevLett.93.227205

We introduce a picture to analyze the density matrix renormalization group
(DMRG) numerical method from a quantum information perspective. This leads us
to introduce some modifications for problems with periodic boundary conditions
in which the results are dramatically improved. The picture also explains some
features of the method in terms of entanglement and teleportation.

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