Field Theory
        Georgia Tech PHYS-7147              spring 2005
        Tue, Thu 12:05-13:25                 Howey S107

				Homework Assignment #2
				----------------------
				due Thu, Feb 10

Spacetime propagators
---------------------

   Field Theory book
   www.cns.gatech.edu/FieldTheory/05-ExtraProblems.pdf
   	Exercise 5.A.1 Diagonalization of propagators
   	Exercise 5.A.2 Probability conservation
   	Exercise 5.A.3 Massless propagator

   Quantum Theory notes (version 3.0 of Jan 2 2005)
   www.cns.gatech.edu/FieldTheory/QMlectures/lectQM.ps.gz
   
   A:
   	derive the 4-vertex momentum conservation (3.67)
   B: 
   	derive the 4-vertex momentum in continuum limit

   Bonus points: 
   C:   On a planar triangular lattice a point has 6 neighbors.
	Show that in the continuum limit, massless case you
	obtain the same propagatora as in Exercise 5.A.3 above

   D:   www.cns.gatech.edu/FieldTheory/05-ExtraProblems.pdf
   	Exercise 5.A.8 random walk on a Lie group manifold (for Austin)

   E:   write up missing text of
   	www.cns.gatech.edu/FieldTheory/QMlectures/lectQM.ps.gz
        Sect 3.6   Continuum theory
 	in LaTeX, to be included in the next version


Predrag Cvitanovic