University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Calendar

Tuesday, March 1st 2016
4:30 pm:
CM Journal Club in PAN 120
Speaker: Ruiqi Xing
Subject: Density-matrix renormalization group(DMRG) and quantum information theory

The Density-matrix renormalization group is a powerful algorithm invented by Steven White in 1992, and it is nowadays the most efficient method for one-dimensional quantum many-body systems and has achieved unprecdented precision in the description of them.

I will talk about
(1) Introduction and the theory behind DMRG,
(2) DMRG algorithms,
(3) Why is DMRG successful: Entanglement entropy and DMRG,
(4) Matrix product state and DMRG(if time permits).

References
U. Schollwöck, The density-matrix renormalization group,RMP,77,259
Density-Matrix Renormalization - A New Numerical Method in Physics, Peschel, I., Wang, X., Kaulke, M., Hallberg, K.,Springer,1999

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