f（R，T）引力的精确解和守恒律
Exact Solutions and Conserved Quantities in f(R,T) Gravity
摘要：
本文研究了$f(R,T)$引力下各向异性宇宙模型的Noether和Noether规范对称性。我们考虑两个特定的模型，这种重力和评估其对称发电机以及相关的守恒量。我们还利用循环变量找到了精确解，并通过宇宙学参数研究了它的行为。宇宙学参数的行为与最近的观测结果一致，表明宇宙加速膨胀。接下来我们研究了各向同性和各向异性宇宙模型的Noether规范对称性和相应的守恒量。我们的结论是对称生成元和相关的守恒量出现在所有情况下。
英文摘要：
This paper explores Noether and Noether gauge symmetries of anisotropic universe model in $f(R,T)$ gravity. We consider two particular models of this gravity and evaluate their symmetry generators as well as associated conserved quantities. We also find exact solution by using cyclic variable and investigate its behavior via cosmological parameters. The behavior of cosmological parameters turns out to be consistent with recent observations which indicates accelerated expansion of the universe. Next we study Noether gauge symmetry and corresponding conserved quantities for both isotropic and anisotropic universe models. We conclude that symmetry generators and the associated conserved quantities appear in all cases.
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