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Mass dimensions

  1. Jul 26, 2005 #1
    what do we mean by mass dimensions ..? and if we r talking abt the general dimensions here then y s the term mass included here?
    what is the mass dimension of the fields?(field here means the set of numbers at each point in space time )
     
  2. jcsd
  3. Aug 19, 2005 #2
    If you work in units where c = 1 and h-bar = 1, all physical quantities can be described as having a dimension (unit) which is some power of the mass.

    Examples:
    Mass, energy, and momentum have a dimension of mass (i.e. mass dimension = 1).
    Length and time have a dimension of 1/mass (i.e. mass dimension = -1).
    Angular momentum is dimensionless (i.e., mass dimension = 0).
     
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