中文版 | English
Title

Stringballs and Planckballs for dark matter

Author
Corresponding AuthorMo, Zhongyou
Publication Years
2022-07-20
DOI
Source Title
ISSN
1029-8479
Issue7
Abstract
As a follow up of the seminal work by Guiot, Borquez, Deur, and Werner on "Graviballs and Dark Matter", we explicitly show that in string theory, local and nonlocal higher derivative theories, as well as general asymptotically-free or finite theories, gravitationally interacting bound states can form when the energy is larger than the Planck energy. On the other hand, in higher derivative or nonlocal theories with interaction governed by a dimensionless or a dimensionful coupling constant, the bound states form when the energy is smaller than the Planck energy. Such bound states are allowed because of the softness of the scattering amplitudes in the ultraviolet region. Indeed, in such theories, the potential is finite while the force is zero or constant in r = 0. Finally, since the bound states that form in the early Universe may have an energy that ranges from the Planck mass to any arbitrarily large or small value, we argue that they can serve as dark matter candidates and/or as the seeds for the structure's formation at large scale in the Cosmos.
Keywords
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
First ; Corresponding
Funding Project
Basic Research Program of the Science, Technology, and Innovation Commission of Shenzhen Municipality[JCYJ20180302174206969]
WOS Research Area
Physics
WOS Subject
Physics, Particles & Fields
WOS Accession No
WOS:000829159200009
Publisher
ESI Research Field
PHYSICS
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:2
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/359483
DepartmentDepartment of Physics
Affiliation
Southern Univ Sci & Technol, Dept Phys, 1088 Xueyuan Ave, Shenzhen 518055, Peoples R China
First Author AffilicationDepartment of Physics
Corresponding Author AffilicationDepartment of Physics
First Author's First AffilicationDepartment of Physics
Recommended Citation
GB/T 7714
Mo, Zhongyou,Netto, Tiberio de Paula,Burzilla, Nicole,et al. Stringballs and Planckballs for dark matter[J]. JOURNAL OF HIGH ENERGY PHYSICS,2022(7).
APA
Mo, Zhongyou,Netto, Tiberio de Paula,Burzilla, Nicole,&Modesto, Leonardo.(2022).Stringballs and Planckballs for dark matter.JOURNAL OF HIGH ENERGY PHYSICS(7).
MLA
Mo, Zhongyou,et al."Stringballs and Planckballs for dark matter".JOURNAL OF HIGH ENERGY PHYSICS .7(2022).
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