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RR charges of D2-branes in the WZW model
High Energy Physics - Theory · Submitted 12 Jul 2000
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The general formula is applied to compute the RR charges of spherical D-branes of the SU(2) WZW model at level k and it shows that these RR charges are only defined modulo k+2.
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The abstract, sentence by sentence
We consider the contribution of the B-field into the RR charge of a spherical D2-brane. Extending a recent analysis of Taylor, we show that the boundary and bulk contributions do not cancel in general. Instead, they add up to an integer as observed by Stanciu. The general formula is applied to compute the RR charges of spherical D-branes of the SU(2) WZW model at level k and it shows that these RR charges are only defined modulo k+2. We support this claim by studying bound state formation of D0-branes using boundary conformal field theory.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We consider the contribution of the B-field into the RR charge of a spherical D2-brane. | contribution 0.84 | 0.57 | 0.04 | unclear 0.79 |
| s1 | Extending a recent analysis of Taylor, we show that the boundary and bulk contributions do not cancel in general. | result 0.79 | 0.90 | 0.22 | asserted 1.00 |
| s2 | Instead, they add up to an integer as observed by Stanciu. | result 0.98 | 0.56 | 0.21 | asserted 1.00 |
| s3 | The general formula is applied to compute the RR charges of spherical D-branes of the SU(2) WZW model at level k and it shows that these RR charges are only defined modulo k+2. | result 0.99 | 0.90 | 0.72 | asserted 1.00 |
| s4 | We support this claim by studying bound state formation of D0-branes using boundary conformal field theory. | method 0.68 | 0.90 | 0.05 | asserted 0.94 |
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Original abstract
We consider the contribution of the B-field into the RR charge of a spherical D2-brane. Extending a recent analysis of Taylor, we show that the boundary and bulk contributions do not cancel in general. Instead, they add up to an integer as observed by Stanciu. The general formula is applied to compute the RR charges of spherical D-branes of the SU(2) WZW model at level k and it shows that these RR charges are only defined modulo k+2. We support this claim by studying bound state formation of D0-branes using boundary conformal field theory.
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