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Scattering equations, twistor-string formulas and double-soft limits in four dimensions
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.
2016
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号7页码:60
文章类型Article
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.
关键词Scattering Amplitudes Effective Field Theories Spontaneous Symmetry Breaking
学科领域Physics
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 ; 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
DOIhttp://dx.doi.org/10.1007/JHEP07(2016)060
关键词[WOS]TREE AMPLITUDES ; GAUGE-THEORY ; SPACE ; GRAVITY
收录类别SCI
语种英语
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 ; 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
WOS类目Physics, Particles & Fields
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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