Off-shell Noether current and conserved charge in Horndeski theory
Off-shell Noether current and conserved charge in Horndeski theory
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Horndeski 理论中的离壳诺特电流和守恒电荷
DOI:
10.1016/j.physletb.2015.11.041
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发表时间:
2015-11
期刊:
影响因子:
--
通讯作者:
Jun-Jin Peng
中科院分区:
文献类型:
--
作者:
Jun-Jin Peng
We derive the off-shell Noether current and potential in the context of Horndeski theory, which is the most general scalar–tensor theory with a Lagrangian containing derivatives up to second order while yielding at most to second-order equations of motion in four dimensions. Then the formulation of conserved charges is proposed on basis of the off-shell Noether potential and the surface term got from the variation of the Lagrangian. As an application, we calculate the conserved charges of black holes in a scalar–tensor theory with non-minimal coupling between derivatives of the scalar field and the Einstein tensor.
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