TY - BOOK AU - Fradkin, Eduardo, TI - Field theories of condensed matter systems T2 - Frontiers in physics SN - 0201522535 AV - QC611.98H54 F73 PY - 1991/// CY - Redwood city, california PB - Addison-wesley KW - Superconductividad de alta temperatura KW - Modelo de Hubbard KW - Antiferromagnetismo ER -