Large- U limit of a Hubbard model in a magnetic field: Chiral spin interactions and paramagnetism. Sen, D. & Chitra, R. Physical Review B, 51(3):1922–1925, January, 1995.
Large- U limit of a Hubbard model in a magnetic field: Chiral spin interactions and paramagnetism [link]Paper  doi  bibtex   

Downloads: 0