TY - BOOK AU - Fradkin,Eduardo TI - Field theories of condensed matter systems SN - 0201522535 U1 - 537.6 PY - 1991/// CY - Redwood City, Calif PB - Addison-Wesley Pub. Co. KW - Hubbard model KW - High temperature superconductivity KW - Antiferromagnetism ER -