期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
卷 29, 期 9, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218271820500613
关键词
Gravitation; Tolman-Mass; anisotropy
资金
- National Research Project for Universities (NRPU), Higher Education Commission, Pakistan [8754/Punjab/NRPU/RD/HEC/2017]
We consider the definition of complexity for dynamical spherically self-gravitating matter distribution in the presence of heat dissipation introduced by Herrera [L. Herrera, A. Di Prisco and J. Ospino, Phys. Rev. D 98 (2018) 104059] and generalize it in f (R, T, R mu nu T mu nu) gravity, where R and T are the Ricci scalar and the trace of energy- momentum tensor, respectively. We measure the complexity of structure as well as pattern of evolution of the fluid distribution and examine these under the effects of dark source terms of modified gravity. Some dynamical and kinematical equations are observed in the dissipative and nondissipative cases in the background of modified theory. Finally, we discuss evolution of the structure scalars and stability of a condition where the complexity factor vanishes.
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