Page 187 - Pure Life 33
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               186  International Multi. J. of PURE LIFE. 10 (33): 169-217, Winter. 2023
               instantly are annihilated by           required energy could only
               their antiparticles.                   be     borrowed       for    an

                  It  is  important  to  point        extremely  small  period  of
               out that if the energy of pair         time, but this short while is
               creation that is “borrowed”            already  enough  for  the

               from the vacuum is E=mc2,              particles to appear.
               then,  according  to  the                 The     most      important
               energy-time  form  of  the             model         of       vacuum

               Uncertainly Principle these,           fluctuation  models  is  one
               “virtual” particle pairs will          proposed  by  Tryon  and
               be unobservable as individual          developed  by  Vilenkin  to

               events so long as ∆E.∆t<h.             explain creatio ex nihilo.
               In  other  words,  “such
               vacuum fluctuations cannot             A. The Tryon-Vilenkin Model

               be  observed  directly,  as            Tryon  was  the  first  to  use
               they  typically  last  for  only       the  quantum  fluctuation
               about  10-21  seconds,  and            phenomenon to explain the
               the  separation  between  the          emergence  of  the  universe

               electron  and  positron  is            out of nothing. He wrote:
               typically no longer than 10-              In  my  model,  I  assume
               10  centimetres”.  (Guth,                 that  our  Universe  did

               1997: 272)                                indeed      appear      from
                                                                                    10
                  Since     the     allowable            nowhere       about     10
               “borrowed”        energy      is          years  ago.  Contrary  to

               inversely  proportional  to               popular  belief,  such  an
               the  period  of  time  when  it           event  need  not  have
               should  be  repaid,  the                  violated  any  of  the
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