- #1

- 343

- 11

Can someone help understanding me why this expression equals one?

THANK YOU!

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- Thread starter Lapidus
- Start date

- #1

- 343

- 11

Can someone help understanding me why this expression equals one?

THANK YOU!

- #2

- 470

- 58

$$

1=\int d^nv \delta^n(\vec v)=\int d^nx\det\left(\frac{\partial v^i}{\partial x^j}\right) \delta^n(\vec v(\vec x))

$$

It's quite intuitive that the functional integral extension is the one you wrote.

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