Noncommutative gauge theory on fuzzy sphere from matrix model

By Satoshi Iso, Y. Kimura, Kanji Tanaka, Kazunori Wakatsuki. 2001

212 citations recorded by the source corpus.

We derive a noncommutative U(1) and U(n) gauge theory on the fuzzy sphere from a three-dimensional matrix model by expanding the model around a classical solution of the fuzzy sphere. Chern–Simons term is added in the matrix model to make the fuzzy sphere as a classical solution of the model. Majorana mass term is also added to make it supersymmetric. We consider two large N limits, one corresponding to a gauge theory on a commutative sphere and the other to that on a noncommutative plane. We also investigate stability of the fuzzy sphere by calculating one-loop effective action around classical solutions. In the final part of this paper, we consider another matrix model which gives a supersymmetric gauge theory on the fuzzy sphere. In this matrix model, only Chern–Simons term is added and supersymmetry transformation is modified.

Subfields: Nuclear and High Energy Physics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/7ce0412ca1919bcf91b7f54da044a46b5fe73c44

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In Nuclear and High Energy Physics

  1. Mark Van Raamsdonk
  2. M. Sheikh-Jabbari
  3. H. Steinacker
  4. Keshav Dasgupta
  5. J. Maldacena
  6. T. Takayanagi
  7. S. Raju
  8. R. Myers

In Statistical and Nonlinear Physics

  1. Mark Van Raamsdonk
  2. H. Steinacker
  3. M. Sheikh-Jabbari
  4. Keshav Dasgupta
  5. K. Papadodimas
  6. S. Raju
  7. R. Myers
  8. Erik P. Verlinde

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