PHY 6648 Quantum Field Theory I
Fall Term 2012
Final Exam
This is an 1 hour exam (closed book). There are thirty three questions. You get 1 point
for every correct answer, thus the maximal number of points on this exam is 33. There is no
penalty for wrong
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 4
Due Friday, September 23 2005
Reading: Sections 2.3 and 2.4 from the textbook and class notes.
Problem 1. The complex scalar eld. (This is a variation of Problem 2.2 in Peskin&Schroeder.) Cons
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 2
Due Friday, September 9 2005
Reading: Section 2.2 from the textbook and class notes.
Problem 1. Total divergences.
(a) Consider adding a total divergence to the Lagrangian density of a scalar
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 1
Due Friday, September 2 2005
Reading: Notations and Conventions section starting on page xix. Chapters 1 and 2
from the textbook, although they are not directly related to this homework, which
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 11
Due Monday, November 28 2005
Reading: Chapter 5 from the textbook and class notes. I will also accept homework
solutions before Thanksgiving.
Problem 1. Feynman diagrams on a computer. Resear
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 6
Due Monday, October 10 2005
Reading: Chapter 3 from the textbook and class notes. Alternative sources: Chapter 2 in
Ryder, Chapter 1 in Ramond.
Problem 1. Majorana fermions. Problem 3.4 in Pes
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 3
Due Friday, September 16 2005
Reading: Section 2.3 from the textbook and class notes.
Problem 1. The total momentum operator. Use (2.27-2.29) and derive (2.33) in a
manner analogous to the der
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 5
Due Friday, September 30 2005
Reading: Sections 3.1, 3.2 from the textbook and class notes. Alternative sources: Chapter
2 in Ryder, Chapter 1 in Ramond.
Problem 1. Lorentz group. Problem 3.1
PHY 6648: Quantum Field Theory I Fall Term 2005 Homework Set 8
Due Friday, October 21 2005 Reading: Sections 4.1-4.4 from the textbook and class notes. Problem 1. Allowed interactions. If is a real scalar eld and is a Dirac eld, which of the following ter
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 9
Due Friday, October 28 2005
Reading: Sections 4.5-4.6 from the textbook and class notes.
Problem 1. Decay of a scalar particle. Problem 4.2 in Peskin&Schroeder.
Problem 2. Linear sigma model.
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 10
Due Monday, November 14 2005
Reading: Chapter 5 from the textbook and class notes.
Problem 1. Bhabha scattering. Problem 5.2 in Peskin&Schroeder.
Problem 2. Physics of a massive vector boson.
PHY6648 Quantum Field Theory I
Problem Set 3, due Monday, September 19, 2016
Unless otherwise noted, problems are from Schwartzs book.
Problem 1: 3.3
Problem 2: 3.7
Problem 3: 3.10
1
PHY6648 Quantum Field Theory I
Problem Set 1, due Wednesday, September 7 2016
Unless otherwise noted, problems are from Schwartzs book.
Problem 1: 2.1
Problem 2: 2.2
Problem 3: 2.3
Problem 4: 2.5
Problem 5: 2.6
1
PHY6648 Quantum Field Theory I
Problem Set 2, due Wednesday, September 14 2016
Unless otherwise noted, problems are from Schwartzs book.
Problem 1: 3.2
Problem 3: 3.5
Problem 4: 3.6
1
PHY 6648: Quantum Field Theory I
Fall Term 2005
Homework Set 7
Due Friday, October 14 2005
Reading: Chapter 3 from the textbook and class notes.
In this homework we will work out the discrete symmetries of the Dirac theory and derive
the assignments for t