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quantum_gravity:concepts:planck_length [2017/12/06 09:33]
127.0.0.1 external edit
quantum_gravity:concepts:planck_length [2018/03/14 12:24] (current)
jakobadmin
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 >"//​There are many indications that in quantum gravity there might exist a minimal observable distance on the order of the Planck length. The emergence of a minimal length is usually considered a dynamical phenomenon, related to the fact that at the Planck scale there are violent fluctuations of the metric and even topology changes, as in Wheeler space-time foam//"​ from [[http://​journals.aps.org/​prd/​pdf/​10.1103/​PhysRevD.49.5182|Quantum groups, gravity, and the generalized uncertainty principle by Michele Maggiore]] >"//​There are many indications that in quantum gravity there might exist a minimal observable distance on the order of the Planck length. The emergence of a minimal length is usually considered a dynamical phenomenon, related to the fact that at the Planck scale there are violent fluctuations of the metric and even topology changes, as in Wheeler space-time foam//"​ from [[http://​journals.aps.org/​prd/​pdf/​10.1103/​PhysRevD.49.5182|Quantum groups, gravity, and the generalized uncertainty principle by Michele Maggiore]]
  
->"//if one wants to probe an event in the length scale of Planck+>"​if one wants to probe an event in the length scale of Planck
 length with a photon, by the uncertainty principle, the particle has to have roughly length with a photon, by the uncertainty principle, the particle has to have roughly
 Planck energy. Now according to general relativity, a photon on such energy scales causes Planck energy. Now according to general relativity, a photon on such energy scales causes
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 ===== Further Reading ===== ===== Further Reading =====
  
-  *  [[http://​math.ucr.edu/​home/​baez/​planck/​node2.html|The Planck Length by John Baez +  *  [[http://​math.ucr.edu/​home/​baez/​planck/​node2.html|The Planck Length by John Baez]]
-]]+
quantum_gravity/concepts/planck_length.txt · Last modified: 2018/03/14 12:24 by jakobadmin