Saturday, 15 April 2017

confusion on quantum field theory



Having read Art Hobsons paper on Quantum field theory, he states " the field collapses into a field of atomic size" This seems to be stating that each field quanta is a different quantum field? Like 2 electrons are 2 electron fields, rather than the 2 electrons come from the same field. I thought they all emerged from the same field rather than 2 of them have there own/be there own seperate field.


Also he say field quanta are infinitly extended and has its energy spread over light years. This has confused me also, I havent seen any infintely sized electrons about, and as electrons are field quanta, how can field quanta be countable, yet infinite in size?


please help...





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