2003/09/10 by Dung-Hai Lee, Dung‐Hai Lee, Jon Magne Leinaas · 41 citations
Mathematics · Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Computer science #Condensed matter physics #Explicit symmetry breaking #Geometry #Hubbard model #Local symmetry #Mathematics #Mott insulator #Mott transition #Physics #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #Quantum mechanics #Space (punctuation) #Spontaneous symmetry breaking #Superconductivity #Symmetry (geometry) #Symmetry breaking #Theoretical physics #cond-mat.mes-hall #cond-mat.str-el
paper · pdf · doi:10.1103/physrevlett.92.096401
published in Physical Review Letters 92(9), 096401 (American Physical Society)
arxiv created 2003/09/10 · openalex publication_date 2004/03/03 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We present theoretical models, in one and two space dimensions, that exhibit Mott insulating ground states at fractional occupations without any symmetry breaking. The Hamiltonians of these models are nonlocal in configuration space, but local in phase space.