BS2 - Scalar fields in cosmology |
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Speaker |
Maeda, Kei-ichi |
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| Talk Title |
The origin of scalar fields and their roles in cosmology |
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Abstract |
In cosmology, we assume the existence of many scalar fields, but in the standard model of particle physics, we know only the Higgs scalar field. In this talk, we survey the origin of scalar fields, which may appear effectively from fundamental theories of gravitation and will play important roles in cosmology. We mainly discuss scalar-tensor gravity theory, higher-dimensional unified theories such as superstring, and higher-curvature theories of gravitation such as f(R) gravity theory. |
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