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I was wondering what is the physical significance of scalar field [itex]\Phi (x)[/itex] as an quantum operator. [itex]\Phi (x)[/itex] have canonical commutation relation such as [ [itex]\Phi (x) , \pi (x)[/itex] ] so it must be an opertor, thus what are his eigenstates?

Thanks,

Omri

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# Scalar field as quantum operator.

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