Introduction to Finite Temperature Field Theory

Spring Semester 2013 (1391-92-II)
     
Lecturer: Neda Sadooghi
Office: Room 333, Physics Department
Time: Saturdays and Mondays, 9:00 -11:00
Place: CEP Seminar Room 517, Physics Department
Office hours: Sundays 11:00-13:00
Schedules:
Semester starts on: Bahman 14, 1391
Semester ends on: Khordad 11, 1392
Homework: Every two weeks
Midterm exam: Farvardin 26, 1392
Final Exam: Tir 1, 1392
References:
J. Kapusta and C. Gale Finite Temperature Field Theory Cambridge University Press, 2nd Edition (2006)
M. Le Bellac Thermal Field Theory Cambridge University Press (2000)
K. Yagi, T. Hatsuda and Y. Miake Quark-Gluon Plasma Cambridge University Press (2005)
E. Shuryak The QCD Vacuum, Hadrons ... World Scientific, 2nd Edition (2004)
D.J. Toms The Schwinger Action Principle ... Cambridge University Press (2007)
L.H. Ryder Quantum Field Theory Cambridge university Press (1996)
Course Syllabus  
Course Syllabus
Contents:  
Part I: Introduction to QFT at T=0
Path integral representation in QM, Generating functional for n-pt Green functions
Classical Field Theory (Klein-Gordon and Dirac fields, Conserved Currents)
Generating functional for scalar fields; Free field theory
Generating functional for interacting scalar and free fermions
Part II: Functional integral representation of partition function at finite T
Free bosonic fields
Free fermionic fields
Interacting bosonic fields
Full propagator in λφ4-theory
Self energy and summation over Matsubara frequencies
Ring diagrams in  λφ4-theory
Part III: Renormalization
Power counting and renormalizability at T=0
Renormalization group equation and its solution at T=0
Part IV: Quantum Electrodynamics at finite T
Quantization of photon and Faddaeev-Popov formalism
Fixing the gauge (axial gauge) and photon partition function at finite T
General structure of vacuum polarization tensor and ring diagrams in QED at finite T
Part V: Linear Response Theory
Goals and Methods: Lehmann representation
Electric mass, Plasma screening
Modified Coulomb potential in QED plasma
Part V: Phase transition at finite temperature
Your Score: Schedule % of your final score
Homeworks 30%
Final Exam 70%
Lectures: pdf-files Date pdf-files Date pdf-files Date
Lecture 1 14/11/91 Lecture 11 19/12/1391 Lecture 20
Lecture 2 16/11/91 Lecture 12 Lecture 20
Lecture 3 21/11/91 Lecture 13 Lecture 22
Lecture 4 23/11/91 Lecture 14 Lecture 23
Lecture 5 28/11/91 Lecture 15 Lecture 24
Lecture 6 30/11/91     Lecture 25
Lecture 7 05/12/91 Lecture 16 Lecture 26
Lecture 8 07/12/91 Lecture 17 Lecture 27
Lecture 9 12/12/91 Lecture 18 Lecture 28
Lecture 10 14/12/91 Lecture 19 Lecture 29
Lecture Notes: pdf-files          
Lecture Notes (This part will be constructed at the end of this semester)
Homeworks: Problem Set   Due:
Set 1 Farvardin 17,1392
Final Exam Take Home Tir 11, 1392 at 10:00, Seminar room 517
The Scores:      
  Final Scores
Term Papers and Seminars:
Topics:
References:
J. Kapusta and C. Gale Finite Temperature Field Theory Cambridge University Press, 2nd Edition (2006)