This is not really a physical question, but it relates to notation in QED.

The ${\gamma}^5$ matrix is defined as

$${\gamma}^5=i{\gamma}^0 {\gamma}^1{\gamma}^2{\gamma}^3$$

Wouldn't it be more logical to write ${\gamma}^5$ as ${\gamma}^4$?


migrated from physics.stackexchange.com Apr 8 '17 at 18:14

This question came from our site for active researchers, academics and students of physics.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.