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| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 1 |
 | Wu, Yong-Shi | On gauge invariance of noncommutative Chern-Simons theories | Motivated by possible applications to condensed matter systems, in this paper we construct U(N) noncommutative Chern-Simons (NCCS) action for a disc and for a double-layer geometry, respectively. In both cases, gauge invariance severely constrains the form of the NCCS action. In the first case, it ... | 2002-05 | |
| 2 |
 | Wu, Yong-Shi | Renormalization group equations and the Lifshitz point in noncommutative Landau-Ginsburg theory | A one-loop renormalization group (RG) analysis is performed for noncommutative Landau-Ginsburg theory in an arbitrary dimension. We adopt a modern version of the Wilsonian RG approach, in which a shell integration in momentum space bypasses the potential IR singularities due to UV-IR mixing. The mo... | 2002-02 |
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