2005/08/18 by Tobias J. Osborne, Osborne, Tobias J.
Physics and Astronomy · #Disordered Systems and Neural Networks (cond-mat.dis-nn) #FOS: Physical sciences #Quantum Physics (quant-ph) #Strongly Correlated Electrons (cond-mat.str-el) #cond-mat.dis-nn #cond-mat.str-el #quant-ph
paper · pdf · doi:10.48550/arxiv.cond-mat/0508428
3 pages, 1 colour eps figure, added references
arxiv created 2006/11/24 · arxiv updated 2009/12/01
We present a simple method to calculate systematic lower bounds for the ground-state energy density of a 1D quantum spin system.