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Text File  |  1992-08-27  |  998 b   |  26 lines
  1. Newsgroups: sci.physics
  2. Path: sparky!uunet!cs.utexas.edu!tamsun.tamu.edu!zeus.tamu.edu!dwr2560
  3. From: dwr2560@zeus.tamu.edu (RING, DAVID WAYNE)
  4. Subject: Re: Length scales in physics 4 - the Planck length
  5. Message-ID: <27AUG199212354888@zeus.tamu.edu>
  6. News-Software: VAX/VMS VNEWS 1.41    
  7. Sender: news@tamsun.tamu.edu (Read News)
  8. Organization: Texas A&M University, Academic Computing Services
  9. References: <26AUG199217155442@zeus.tamu.edu> <1992Aug27.042512.23227@nuscc.nus.sg>
  10. Date: Thu, 27 Aug 1992 17:35:00 GMT
  11. Lines: 13
  12.  
  13. matmcinn@nuscc.nus.sg (Mcinnes B T (Dr)) writes...
  14. >All right, I guess you can call this "treating spacetime as a field".
  15. >But then it would seem that string theory indicates that nothing weird
  16. >happens to spacetime at small lengths: you always have a well-defined
  17. >target space.
  18.  
  19. The question becomes something like: at what scale do fluctuations in
  20. the metric become important.
  21.  
  22. Also, I don't know if you would call compactification wierd.
  23.  
  24. Dave Ring
  25. dwr2560@zeus.tamu.edu
  26.