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Noncommutative D-brane and open string in pp-wave background with B-field (2002)
Journal Article
Chu, C., & Ho, P. (2002). Noncommutative D-brane and open string in pp-wave background with B-field. Nuclear Physics B, 636(1-2), 141-158. https://doi.org/10.1016/s0550-3213%2802%2900360-7

The open string ending on a D-brane with a constant B-field in a pp-wave Ramond–Ramond background is exactly solvable. The theory is controlled by three dimensionful parameters: α′, the mass parameter (RR background times the lightcone momentum) and... Read More about Noncommutative D-brane and open string in pp-wave background with B-field.

Hermitian Analyticity, IR/UV Mixing and Unitarity of Noncommutative Field Theories (2002)
Journal Article
Chu, C., Lukierski, J., & Zakrzewski, W. (2002). Hermitian Analyticity, IR/UV Mixing and Unitarity of Noncommutative Field Theories. Nuclear Physics B, 632(1-3), 219-239. https://doi.org/10.1016/s0550-3213%2802%2900216-x

The IR/UV mixing and the violation of unitarity are two of the most intriguing aspects of noncommutative quantum field theories. In this paper the relation between these two phenomena is explained and established in an explicit form. We start out by... Read More about Hermitian Analyticity, IR/UV Mixing and Unitarity of Noncommutative Field Theories.

Three-point functions in N = 4 Yang-Mills theory and pp-waves (2002)
Journal Article
Chu, C., Khoze, V., & Travaglini, G. (2002). Three-point functions in N = 4 Yang-Mills theory and pp-waves. Journal of High Energy Physics, 2002(06), https://doi.org/10.1088/1126-6708/2002/06/011

Recently it has been proposed that the coefficient of the three-point function of the BMN operators in = 4 supersymmetric Yang-Mills theory is related to the three-string interactions in the pp-wave background. We calculate three-point functions of t... Read More about Three-point functions in N = 4 Yang-Mills theory and pp-waves.