Question on quadratic fluctuations in the path integral formalism

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SUMMARY

The discussion centers on the need to multiply by the ratio \(\frac{\psi(x\pm a)}{\psi(0)}\) within the context of quadratic fluctuations in path integral formalism. Participants seek clarification on the significance of this factor, indicating its role in understanding the behavior of wave functions in quantum mechanics. The excerpt emphasizes the importance of this ratio in analyzing fluctuations and their contributions to the path integral formulation.

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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
 

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can't anyone imagine what the factor

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

might do?
 
Last edited:

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