PHYS5520 Topics in Theoretical Physics (Introduction to Many-body Theory)
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PHYS5520 Topics in Theoretical Physics (Introduction to Many-body Theory)

This course provides an introduction to the basic concepts and theoretical techniques of the quantum theory of many-body systems at zero-temperature as well as at finite temperature. Topics covered include: second quantization, Green's functions at zero-temperature, Green's functions at finite temperature, perturbation theory and Feynman diagram, equations of motion of the Green's functions, linear response theory, and applications of many-body theory in condensed matter physics. Prerequisite: permission of the instructor.
Lecturer

Prof. Gu Zheng-Cheng Office: SC G8, Email: zcgu@phy.cuhk.edu.hk
Consultation Hour: Thursday 03:00pm-04:00pm
Consultation Zoom link: https://cuhk.zoom.us/j/91945645559?pwd=bFdmOTZmWm9ZeGVKM1NSVTBCa05ZQT09

Teaching Assistant(s)

Mr. Fang Tianyao Office: SC 313, Tel: 59369396, Email: fty0724@mail.ustc.edu.cn
Consultation Hour: Tuesday 3:30pm-5:30pm

Lecture Class

Monday 04:30 pm - 06:15 pm (online. zoom link is:https://cuhk.zoom.us/j/99633633085?pwd=RnJRZmE5RHJoajJWOWgwYkVnVjZKZz09 (for Monday))
Thursday 04:30 pm - 05:15 pm (online. zoom link is: https://cuhk.zoom.us/j/97031607067?pwd=cW9qSGN6OHNCN05XMXlKQ0ExWlVlZz09 (for Thursday))

Tutorial&Exercise Class

Thursday 5:30 pm - 6:15 pm (online. zoom link is: https://cuhk.zoom.us/j/97031607067?pwd=cW9qSGN6OHNCN05XMXlKQ0ExWlVlZz09 (for Thursday))

Textbook(s)

Quantum Theory of Many-Particle Systems by Alexander L. Fetter , John Dirk Walecka

Reference Books

Basic Reading Material:
1. Quantum Theory of Many-Particle Systems by Alexander L. Fetter , John Dirk Walecka
2. Introduction to Many-Body Physics by Piers Coleman
3. Many-Particle Physics, 3nd Edition by Gerald D. Mahan
Advanced Reading Material:
1. Quantum Field Theory of Many-Body Systems: From the Origin of Sound to an Origin of Light and Electrons by Xiao-Gang Wen
2. Quantum Field Theory in Condensed Matter Physics by Nagaosa, Naoto

Assessment Scheme

Homework 50%
quiz and attendence 25%
Final project 25%

Course Outline

Please see the download area for detail

Required course

Advanced quantum mechanics, statistic mechanics, solid state physics, electric and magnetism