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Real time evolution using the density matrix renormalization group

2004/03/18 by Steven R. White, Adrian E. Feiguin · 1 citation
Physics and Astronomy · #cond-mat.str-el #cond-mat.mes-hall

paper · pdf · doi:10.1103/physrevlett.93.076401

published as Phys. Rev. Lett. 93, 076401 (2004) · 4 pages, 4 eps figures, some minor corrections in text and Eq.(3)

arxiv created 2004/03/18 · arxiv updated 2009/12/01

Abstract

We describe an extension to the density matrix renormalization group method incorporating real time evolution into the algorithm. Its application to transport problems in systems out of equilibrium and frequency dependent correlation functions is discussed and illustrated in several examples. We simulate a scattering process in a spin chain which generates a spatially non-local entangled wavefunction.

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