(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

can we use the Steepest descent method,formula is in the picture

2. Relevant equations

for the case of picture one it has AN APPROXIMATE EXPRESSION in picture two.

3. The attempt at a solution

for (2.51),h(z)=-iz,z_{0}=m(mass),m=1,n=0;it caulate e^{-imt}/t,take the limit

t->\infty,the result is 0

for (2.52),h(z)=-z,z_{0}=m(mass),m=1,n=0;it caulate e^{-imt}/t,take the limit

t->\infty,the result is 0

where is wrong?

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# Homework Help: Peskin equ(2.51)and(2.52)

Can you offer guidance or do you also need help?

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