- #1
Dixanadu
- 254
- 2
Hey guys,
How does one compute the following quantity:
[itex]\Box \theta(x_{0})=\partial_{0}\partial^{0}\theta(x_{0})[/itex]?
I know that [itex]\partial_{0}\theta(x_{0})=\delta(x_{0})[/itex] which is the Dirac delta, but what about the second derivative?
Thanks everyone!
How does one compute the following quantity:
[itex]\Box \theta(x_{0})=\partial_{0}\partial^{0}\theta(x_{0})[/itex]?
I know that [itex]\partial_{0}\theta(x_{0})=\delta(x_{0})[/itex] which is the Dirac delta, but what about the second derivative?
Thanks everyone!