"Cosmological" Constant and Scalar Gravitons

概要

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If a cosmological term is included in the equations of general relativity, the linearized equations can be interpreted as a tensor-scalar theory of finite-range gravitation. The scalar field cannot be transformed away by a gauge transformation (general co-ordinate transformation) and so must be interpreted as a physically significant degree of freedom. The hypothesis that a massive spin-two meson (mass m_2) satisfies equations identical in form to the equations of general relativity leads to the prediction of a massive spin-zero meson (mass m_0), the ratio of masses being m_0/m_2=√<3>.
理論物理学刊行会の論文
1974-07-25