# Question on quadratic fluctuations in the path integral formalism

1. Jun 10, 2008

### omg!

hi,

could someone please explain to me the attached excerpt, more specifically, why one has to multiply with the ratio.

any ideas will be welcome!

thanks

#### Attached Files:

• ###### Untitled.jpg
File size:
24.7 KB
Views:
87
2. Jun 10, 2008

### omg!

can't anyone imagine what the factor

$$\frac{\psi(x\pm a)}{\psi(0)}$$

might do?

Last edited: Jun 10, 2008