Hi all,(adsbygoogle = window.adsbygoogle || []).push({});

I have been systematically working through the wonderful book Quantum mechanics and path integrals by Feynman and Hibbs and have come to realize that it has a shockingly large number of typos. I have been trying to derive eqn 5-13 on Pg 103 starting from eqn 3-42 Pg. 57 by using Fourier transforms on the variables x and t. I can get the same expression except the integral over t1 which later leads to a delta function in energy for the free particle kernel. Can anyone guide me as to whether it is just another typos or am I really missing something?

Thanks

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Path integrals (Feynman and Hibbs) clarification

Can you offer guidance or do you also need help?

Draft saved
Draft deleted

**Physics Forums | Science Articles, Homework Help, Discussion**