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Phys Rev Lett. 2004 Aug 13;93(7):076401. Epub 2004 Aug 10.

Real-time evolution using the density matrix renormalization group.

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Department of Physics and Astronomy, University of California, Irvine, California 92697, USA.


We describe an extension to the density matrix renormalization group method incorporating real-time evolution. 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 nonlocal entangled wave function.

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