2003/10/09 by Paul Federbush, Federbush, Paul
Mathematics · Physics and Astronomy · #Quantum chaos and dynamical systems #Quantum many-body systems #Theoretical and Computational Physics #math-ph #math.MP
paper · pdf · doi:10.48550/arxiv.math-ph/0310013
4 pages
arxiv created 2003/10/09 · arxiv updated 2009/12/01
A criterion for ferromagnetism is presented suggesting a line of proof to rigorously establish the phase transition. Spectral information will be required in certain invariant subspaces of the Hamiltonian, hopefully the relatively crude estimates needed will be not too difficult to establish.