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Tuesday, March 1st 2016

4:30 pm:

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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