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arXiv 2201.08390gr-qc
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F(T)遥平行引力中的分支哈密顿量问题

The issue of Branched Hamiltonian in F(T) Teleparallel Gravity

Manas Chakrabortty, Kaushik Sarkar, Abhik Kumar Sanyal

摘要:

在Lanczos-Lovelock引力的情况下,F(T)引力的主要优点据说是它导致二阶场方程,而F(R)引力理论导致四阶方程。我们表明,这是一个相当不利的,因为它导致了悬而未决的问题的“分支哈密顿”。这个问题在F(R,T)引力理论中被绕过了。

英文摘要:

As in the case of Lanczos-Lovelock gravity, the main advantage of F(T) gravity is said to be that it leads to second order field equations, while F(R) gravity theory leads to fourth order equations. We show that it is rather a disadvantage, since it leads to the unresolved issue of `Branched Hamiltonian'. The problem is bypassed in F(R,T) gravity theory.

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