From: scerir (scerir@libero.it)
Date: Thu May 23 2002 - 15:00:17 MDT
In QFT 'ghosts' states have a
negative norm (<Psi|Psi> < 0).
If normal states (<Psi|Psi> > 0)
have their time arrow, do 'ghosts'
states have a reversed time arrow?
Boh? (This might be the trick).
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