Representation of compact stars using the black string set-up
نویسندگان
چکیده
This work is devoted to provide a way of representing $4D$ spherically symmetric and static compact stellar configurations into $5D$ space time, using the black string framework. We write four five dimensional line elements energy momentum tensor such that quantities are related by function $A(z)$, where $z$ represents extra dimension. Remarkably, one consequence our chosen form for element, fact equations reduced usual motion. Also, conservation equation adopts equation. It worth mentioning that, although methodology simple, this reduction could serve represent other types objects an dimension in future works. Furthermore, under assumptions sign pressure along given trace tensor. simple election $A(z)$ modifies some features induced 4--dimensional configuration, as mass--radius relation, inertia, central values thermodynamic variables, name few. Besides, topology model ${S}^{2}\times {S}^{1}$ not ${S}^{3}$ 5--dimensional structures.
منابع مشابه
Compact Set Representation for Information Retrieval
Conjunctive Boolean queries are a fundamental operation in web search engines. These queries can be reduced to the problem of intersecting ordered sets of integers, where each set represents the documents containing one of the query terms. But there is tension between the desire to store the lists effectively, in a compressed form, and the desire to carry out intersection operations efficiently...
متن کاملassessment of the efficiency of s.p.g.c refineries using network dea
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
Investigating Binary String Encoding for Compact Representation of Xml Documents
Since Extensible Markup Language abbreviated as XML, became an official World Wide Web Consortium recommendation in 1998, XML has emerged as the predominant mechanism for data storage and exchange, in particular over the World Web. Due to the flexibility and the easy use of XML, it is nowadays widely used in a vast number of application areas and new information is increasingly being encoded as...
متن کاملthe use of appropriate madm model for ranking the vendors of mci equipments using fuzzy approach
abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Chinese Journal of Physics
سال: 2023
ISSN: ['0577-9073', '2309-9097']
DOI: https://doi.org/10.1016/j.cjph.2022.11.015