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One dimensional quantum systems which can either be multiple discrete spin particles or their continuum limit.

1
vote
Does anybody have any good papers or references to explain the differences between the Heisenberg model and Ising model? As the comments already suggest, this is more introductory textbook materi …
answered Jul 18 by Anyon
8
votes
The name DMRG is somewhat of a historical accident, and its modern day incarnations are not directly linked to the renormalization group or phase transitions. Instead, it is better understood as a var …
answered Jan 2 by Anyon
3
votes
I'll go ahead and say that one can roughly classify systems into Systems with a unique ground state. Systems that have multiple (possibly infinitely many) degenerate ground states, but that will ten …
answered Feb 27 by Anyon