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The Origin of Chiral Anomaly and the Noncommutative Geometry
High Energy Physics - Theory · Submitted 7 Dec 1999
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim An exact expresion for the chiral anomaly is found.
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The abstract, sentence by sentence
We describe the scalar and spinor fields on noncommutative sphere starting from canonical realizations of the enveloping algebra ${\cal A}={\cal U}{u(2))}$. The gauge extension of a free spinor model, the Schwinger model on a noncommutative sphere, is defined and the model is quantized. The noncommutative version of the model contains only a finite number of dynamical modes and is non-perturbatively UV-regular. An exact expresion for the chiral anomaly is found. In the commutative limit the standard formula is recovered.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We describe the scalar and spinor fields on noncommutative sphere starting from canonical realizations of the enveloping algebra ${\cal A}={\cal U}{u(2))}$. | method 0.62 | 0.88 | 0.04 | asserted 0.99 |
| s1 | The gauge extension of a free spinor model, the Schwinger model on a noncommutative sphere, is defined and the model is quantized. | contribution 0.75 | 0.90 | 0.07 | asserted 1.00 |
| s2 | The noncommutative version of the model contains only a finite number of dynamical modes and is non-perturbatively UV-regular. | result 0.96 | 0.78 | 0.18 | asserted 1.00 |
| s3 | An exact expresion for the chiral anomaly is found. | result 0.99 | 0.94 | 0.59 | asserted 1.00 |
| s4 | In the commutative limit the standard formula is recovered. | result 0.86 | 0.77 | 0.11 | asserted 1.00 |
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Original abstract
We describe the scalar and spinor fields on noncommutative sphere starting from canonical realizations of the enveloping algebra ${\cal A}={\cal U}{u(2))}$. The gauge extension of a free spinor model, the Schwinger model on a noncommutative sphere, is defined and the model is quantized. The noncommutative version of the model contains only a finite number of dynamical modes and is non-perturbatively UV-regular. An exact expresion for the chiral anomaly is found. In the commutative limit the standard formula is recovered.
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