- #1

- 8,427

- 2,607

[itex]\int |\Psi(x,y,z)|^2 dx dy dz = 1[/itex]

I'm just curious as to whether there is some analogous concept for curved spacetime. One complication in curved spacetime is that an integral over "all space" requires a choice of a way to divide spacetime into spatial slices. Is the above condition on [itex]\Psi[/itex] independent of how one slices up spacetime?