Second moment fuzzy-field-theory-like matrix models


We solve a multitrace matrix model approximating the real quartic scalar field theory on the fuzzy sphere and obtain its phase diagram. We generalize this method to models with modified kinetic terms and demonstrate its use by investigating models related to the removal of the UV/IR mixing. We show that for the fuzzy sphere a modification of the kinetic part of the action by higher derivative term can change the phase diagram of the theory such that the triple point moves further from the origin.

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Šubjaková, M., Tekel, J. Second moment fuzzy-field-theory-like matrix models. J. High Energ. Phys. 2020, 88 (2020).

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  • Matrix Models
  • Non-Commutative Geometry