Quantum transport theory Quantum transport --- Wei Chen Condense mater field theory Field Theoretic Aspects of Condensed Matter Physics --- Eduardo Fradkin Classical field theory--- Bertrand Berche $($ French $)$ Condense many body theory Many body theory---Peng Fei Zhang Quantum Many Body Theory--- Qiang Hua Wang Group theory Group theory--- QiHang Liu Research Lecture note on fuzzy sphere--- Wei Zhu Solid physics Solving Transverse Field Ising Model--- Yuan Chen Haldane’s conjecture, and AKLT chain--- Yuan Chen Homework1--- Yuan Chen Previous Code Next Soft matter physics CATALOG FEATURED TAGS Group theory Condense matter theory Field theory Condensed Matter Mathematical Physics Quantum Field Theory Open quantum systems Category and conformal field theory Code Soft matter Differential Geometry Topology Gauss-Bonnet Chern-Weil CCMP 2026 condensed matter physics high-Tc superconductivity topological phases quantum many-body Classical Literature Physics Mathematics History of Science FRIENDS Dr. Vadim Kaplunovsky Kevin Fossez Yihao Wang Liqiang Chen