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Li, ZJ; Zhang, C
Moduli space of paired punctures, cyclohedra and particle pairs on a circle
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordINTERSECTION THEORY AMPLITUDES
AbstractIn this paper, we study a new moduli space Mn+1c, which is obtained from M0,2n+2 by identifying pairs of punctures. We find that this space is tiled by 2(n - 1)n! cyclohedra, and construct the canonical form for each chamber. We also find the corresponding Koba-Nielsen factor can be viewed as the potential of the system of n+1 pairs of particles on a circle, which is similar to the original case of M0,n where the system is n-3 particles on a line. We investigate the intersection numbers of chambers equipped with Koba-Nielsen factors. Then we construct cyclohedra in kinematic space and show that the scattering equations serve as a map between the interior of worldsheet cyclohedron and kinematic cyclohedron. Finally, we briefly discuss string-like integrals over such moduli space.
2019
ISSN1029-8479
Issue5Pages:29
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1007/JHEP05(2019)029
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23441
CollectionSCI期刊论文
AffiliationChinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China; Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, ZJ,Zhang, C. Moduli space of paired punctures, cyclohedra and particle pairs on a circle[J]. JOURNAL OF HIGH ENERGY PHYSICS,2019(5):29.
APA Li, ZJ,&Zhang, C.(2019).Moduli space of paired punctures, cyclohedra and particle pairs on a circle.JOURNAL OF HIGH ENERGY PHYSICS(5),29.
MLA Li, ZJ,et al."Moduli space of paired punctures, cyclohedra and particle pairs on a circle".JOURNAL OF HIGH ENERGY PHYSICS .5(2019):29.
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