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Two-loop superstrings in hyperelliptic language I: the main results 期刊论文
PHYSICS LETTERS B, 2003, 卷号: 559, 期号: 40910, 页码: 89-98
Authors:  Zheng, ZJ;  Wu, JB;  Zhu, CJ;  Zheng, ZJ , Henan Univ, Math Inst, Kaifeng 475001, Peoples R China.
Adobe PDF(124Kb)  |  Favorite  |  View/Download：124/12  |  Submit date：2012/08/29
Heterotic String Theory  2-loop Superstrings  Cosmological Constant  Amplitudes  Surfaces  
Two-loop superstrings in hyperelliptic language III: the four-particle amplitude 期刊论文
NUCLEAR PHYSICS B, 2003, 卷号: 663, 期号: 40910, 页码: 95-122
Authors:  Zheng, ZJ;  Wu, JB;  Zhu, CJ;  Zheng, ZJ , Henan Univ, Inst Math, Kaifeng 475001, Peoples R China.
Adobe PDF(243Kb)  |  Favorite  |  View/Download：161/20  |  Submit date：2012/08/29
Heterotic String Theory  Cosmological Constant  Riemann Surfaces  Renormalization  Field  Terms  Loops  
Two-loop superstrings in hyperelliptic language II: the cosmological constant and the non-renormalization theorem 期刊论文
NUCLEAR PHYSICS B, 2003, 卷号: 663, 期号: 40910, 页码: 79-94
Authors:  Zheng, ZJ;  Wu, JB;  Zhu, CJ;  Zheng, ZJ , Henan Univ, Inst Math, Kaifeng 475001, Peoples R China.
Adobe PDF(157Kb)  |  Favorite  |  View/Download：135/17  |  Submit date：2012/08/29
Heterotic String Theory  Amplitude  Loops