Massachusetts Institute of Technology

Department of Physics

Physics 8.04 Sat May 18 00:58:20 EDT 1996

Quantum Physics I, Spring 1996

Agenda for the week of May 7:

• L21 05/07: Resonant scattering from a square done with Feynman diagrams.

• L22 05/09: Double barrier well (done with Feynman renormalization/dressed interactions) and discussion of metastable states.

Problem Set 10 -- Last one! :-(

(Due Friday, May 10 at 5:00 pm sharp.)

Work requested of the students is highlighted by either a question mark (?) or underlining.

• Delta-function Scattering/Decay of Metastable states
  • Reflection and transmission amplitudes and probabilities from a delta-potential
  • Time lags
• Metastable stable solutions to the TISE
  • Solution of the TISE
  • Build-up of trapped particles
  • Solutions to the TDSE: Time Delay for Metastable scattering
• Feynman diagrams: scattering from a double delta well
  • Derive your own Feynman Rules
  • Double delta potential
• First Look at Angular Momentum
  • The operator for Lz
  • Pure states of Lz
  • Pure states of Energy for a particle on a ring
• About this document ...

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