Recent content by Beginner_2010

  1. B

    Understanding Peskin's QFT: Deriving Equations (2.35) and (2.54)

    Thank you!
  2. B

    Understanding Peskin's QFT: Deriving Equations (2.35) and (2.54)

    Homework Statement Hi, I have two stupid questions about Peskin's QFT book. (1) P23, How to derive from (2.35) to (2.36) (2) P30, How to derive (2.54) Homework Equations (1) (2) The Attempt at a Solution (1) If I consider the dual-space vector, \langle \mathbf{q} | = \sqrt{2...