Fake conformal symmetry in conformal cosmological models

Fake conformal symmetry in conformal cosmological models
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共形宇宙学模型中的假共形对称

DOI:
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发表时间:
2014
期刊:
影响因子:
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通讯作者:
S. Pi
S. Pi
中科院分区:
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文献类型:
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作者:
R. Jackiw;S. Pi

文献摘要

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我们研究了最近提出的共形宇宙学模型中使用的张量-标量理论的局部共形不变性(Weyl不变性)。我们表明,Noether电流与Weyl不变性在这些理论消失。我们断言相应的外尔对称性不具有任何动力学作用。
We examine the local conformal invariance (Weyl invariance) in tensor-scalar theories used in recently proposed conformal cosmological models. We show that the Noether currents associated with Weyl invariance in these theories vanish. We assert that the corresponding Weyl symmetry does not have any dynamical role.