The study of the photon's pole structure in the noncommutative Schwinger
model [PDF]
Masoumeh GhasemkhaniThe photon self energy of the noncommutative Schwinger model at three-loop order is analyzed. It is shown that the mass spectrum of the model does not receive any correction from noncommutativity parameter ($\theta$) at this order. Also it remains unchanged to all orders. The exact one-loop effective action for the photon is also calculated.View original: http://arxiv.org/abs/1301.1231
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