touqra Messages 284 Reaction score 0 Thread starter Feb 21, 2008 #1 Is there an invariance relation for angular momentum similar to [tex]E^2 = p^2 + m^2[/tex] ? How about quantum spin ?
Is there an invariance relation for angular momentum similar to [tex]E^2 = p^2 + m^2[/tex] ? How about quantum spin ?
pam Messages 458 Reaction score 1 Feb 21, 2008 #2 Nothing simple. rXp is a combination of three components of two four vectors. It can be transformed but the result is complicated. Quantum spin can be transformed using the Dirac equation, but it too is complicated except for special cases.
Nothing simple. rXp is a combination of three components of two four vectors. It can be transformed but the result is complicated. Quantum spin can be transformed using the Dirac equation, but it too is complicated except for special cases.