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Paper   IPM / Physic / 7921
School of Physics
  Title:   Noncommutativity of Space and Rotation of Polarization of Light in A Background Magnetic Field
1.  M. Chaichian
2.  M.M. Sheikh-Jabbari
3.  A. Tureanu
  Status:   Preprint
  Year:  2005
  Supported by:  IPM
Recently the PVLAS collaboration has reported the observation of rotation of polarization of light propagating in a background magnetic field. In this letter we explore the possibility that such a rotation is a result of noncommutativity in the background space-time. To explain the reported polarization rotation within noncommutative U(1) Yang-Mills theory we need the noncommutativity parameter θ ≅ (30 GeV)−2

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