Physikalisches Institut Probeklausur
Volltext
ÄHNLICHE DOKUMENTE
Schur’s Lemma states that an operator which commutes with all elements of a representation must be a multiple of the unitary
Consider a classical, charged particle confined to the x − y plane subject to a constant magnetic field in the z-direction and some external potential V (x, y).. (2 point s )
Exercises on Advanced Topics in String
H 8.1 Basics of Jacobi & modular forms (20 points) For the analysis of modularity of the partition function Z(τ ) of a given CFT it is convenient to introduce the notion of
(1 Point ) f) Show that the mode expansion for open strings with Neumann boundary conditions at. both ends of the string, i.e.
Having seen that the components of the energy-momentum tensor give rise to an infinite set of conserved charges we want to compute the algebra of these charges. — 1 /
found in part a) 1.. d) Find the states for the first three levels (including the ground state) in the spectrum of closed bosonic string (use the level-matching condition form part
Exercise 10.2 Motion in Schwarzchild geometry (18 credit s ) (a) A particle falls radially into a Schwarzschild metric. (i) As measured by proper time at infinity, what is its