Local renormalization method for random systems

Details Local renormalization method for random systems Local renormalization method for random systems

2009-08-10

arxiv.org/abs/0908.1312v1

New J. Phys. 12, 025020 (2010)

Physics

Condensed Matter

Disordered Systems and Neural Networks

12 pages, 13 figures. Submitted to the Special Issue on "Quantum Information and Many-Body Theory", New Journal of Physics. Ed

Scientific paper

10.1088/1367-2630/12/2/025020

In this paper, we introduce a real-space renormalization transformation for random spin systems on 2D lattices. The general method is formulated for random systems and results from merging two well known real space renormalization techniques, namely the strong disorder renormalization technique (SDRT) and the contractor renormalization (CORE). We analyze the performance of the method on the 2D random transverse field Ising model (RTFIM).

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