Hello. I'm sorry to reply you lately as I've studied complex analysis further to understand what you said.
I'm afraid that I'm still not understanding your point. It looks you said that a domain of w(z) = z1/2 is restricted to make w(z) continuous.
Could you please give me details of how the...
Hello.
I have a difficulty to understand the branch cut introduced to solve this integral.
\int_{ - \infty }^\infty {dp\left[ {p{e^{ip\left| x \right|}}{e^{ - it\sqrt {{p^2} + {m^2}} }}} \right]}
here p is a magnitude of the 3-dimensional momentum of a particle, x and t are space and time...