Contents

• Transmission and Reflection in Strings (I)
  • Complex solutions to the wave equation
  • Boundary conditions
  • Transmission and Reflection coefficients
  
  
• Transmission and Reflection in Strings (II)
  • Matching at the Boundary
  • Sums over Histories
  
  
• The Two Towers
• Phasors
• Using Interference to Study Stars
• About this document ...