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He, S; Liu, ZW; Wu, JB; He, S (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Scattering equations, twistor-string formulas and double-soft limits in four dimensions
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
语种英语
关键词Scattering Amplitudes Effective Field Theories Spontaneous Symmetry Breaking
摘要We study scattering equations and formulas for tree amplitudes of various theories in four dimensions, in terms of spinor helicity variables and on-shell superspace for supersymmetric theories. As originally obtained in Witten's twistor string theory and other twistor-string models, the equations can take either polynomial or rational forms, and we clarify the simple relation between them. We present new, four-dimensional formulas for all tree amplitudes in the non-linear sigma model, a special Galileon theory and the maximally supersymmetric completion of the Dirac-Born-Infeld theory. Furthermore, we apply the formulas to study various double-soft theorems in these theories, including the emissions of a pair of soft photons, fermions and scalars for super-amplitudes in super-DBI theory.
2016
期号7页码:60
学科领域Physics
DOIhttp://dx.doi.org/10.1007/JHEP07(2016)060
收录类别SCI
项目资助者Special Fund for Theoretical Physics from NSFC [11447613] ; Special Fund for Theoretical Physics from NSFC [11447613] ; Special Fund for Theoretical Physics from NSFC [11447613] ; Special Fund for Theoretical Physics from NSFC [11447613] ; Thousand Talents Plan ; Thousand Talents Plan ; Thousand Talents Plan ; Thousand Talents Plan ; NSFC Grants [11222549, 11575202] ; NSFC Grants [11222549, 11575202] ; NSFC Grants [11222549, 11575202] ; NSFC Grants [11222549, 11575202] ; K. C. Wong Education Foundation ; K. C. Wong Education Foundation ; K. C. Wong Education Foundation ; K. C. Wong Education Foundation
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21591
专题理论物理所科研产出_SCI论文
通讯作者He, S (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
He, S,Liu, ZW,Wu, JB,et al. Scattering equations, twistor-string formulas and double-soft limits in four dimensions[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(7):60.
APA He, S,Liu, ZW,Wu, JB,&He, S .(2016).Scattering equations, twistor-string formulas and double-soft limits in four dimensions.JOURNAL OF HIGH ENERGY PHYSICS(7),60.
MLA He, S,et al."Scattering equations, twistor-string formulas and double-soft limits in four dimensions".JOURNAL OF HIGH ENERGY PHYSICS .7(2016):60.
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