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seen Dec 28 '14 at 3:33

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awarded  Popular Question
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28
accepted Why don't we have particles whose wavefunctions are symmetric wrt one exchange operator and anti-symmetric wrt other exchange operator?
Dec
27
comment Why don't we have particles whose wavefunctions are symmetric wrt one exchange operator and anti-symmetric wrt other exchange operator?
@RobinEkman Could elaborate on how it would make particles $c,d$ distinguishable from $a,b$?
Dec
27
comment Why don't we have particles whose wavefunctions are symmetric wrt one exchange operator and anti-symmetric wrt other exchange operator?
Yes they are all of the same species.
Dec
27
comment Why don't we have particles whose wavefunctions are symmetric wrt one exchange operator and anti-symmetric wrt other exchange operator?
@RobinEkman My question is why can't we have particles satisfy which are anti-symmetric wrt $P_{a,b}$ and symmetric wrt $P_{c,d}$.
Dec
27
comment Why don't we have particles whose wavefunctions are symmetric wrt one exchange operator and anti-symmetric wrt other exchange operator?
@ACuriousMind The combined state will be still anti-symmetric wrt $P_{a,b}$ and symmetric wrt $P_{c,d}$.
Dec
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asked Why don't we have particles whose wavefunctions are symmetric wrt one exchange operator and anti-symmetric wrt other exchange operator?
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comment Why does Principle for least action hold for classical fields
@Qmechanic The question I'm asking here is very different from those two questions. I'm not asking why motion of a particle follows the principle of least action, which comes from the Newton's laws. My question is for classical field theory like EM and gravitational field. One obvious answer is Newton's gravity law and Maxwell eqns imply the the principle of least action. But the fact that both of these field theories satisfy the least action principle, does that mean there is something deeper going around? Is it the particular of these laws which frorce them to satisfy the least action.
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revised Why does Principle for least action hold for classical fields
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revised Why does Principle for least action hold for classical fields
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asked Why does Principle for least action hold for classical fields
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asked A roadmap for learning standard model of particle physics
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answered Best calculus book for physics
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