1. Sep 25, 2005 #1

   Loren Booda

   

   Was there an early epoch when all particles were virtual - perhaps before the Planck time?

    

   Loren Booda, Sep 25, 2005
2. 
   Phys.org - latest science and technology news stories on Phys.org

   • • Astronomers witness galaxy megamerger
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   • • The potential habitability of TRAPPIST-1—no aliens yet, but a lot of data
3. Sep 27, 2005 #2

   hellfire

   

   Science Advisor

   There was a time at which no particles existed and only quantum fluctuations of fields took place. Particle production takes place after inflation.

    

   hellfire, Sep 27, 2005

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