Scalar fields as dark matter in spiral galaxies: comparison with experiments

Scalar fields as dark matter in spiral galaxies: comparison with experiments
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螺旋星系中作为暗物质的标量场：与实验的比较

DOI：
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发表时间：
1999
期刊：
影响因子：
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通讯作者：
H. Villegas
H. Villegas
中科院分区：
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文献类型：
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作者：
F. S. Guzmán;T. Matos;H. Villegas

文献摘要

被引文献

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本文从统一理论的标量张量理论出发，给出了静态轴对称时空的精确解。作为对螺旋星系暗物质（DM）模型的尝试，我们发现指数标量势足以解释这类星系中的旋转曲线。我们还对六个螺旋星系的旋转曲线进行了拟合，发现观测数据与模型结果非常吻合。
We present an exact solution for a static and axially symmetric spacetime, which is obtained from a scalar-tensor theory that comes from unification theories. As an attempt to model the dark matter (DM) in spiral galaxies we find that an exponential scalar potential is enough to explain the rotation curves in such galaxies. We also present the fitting to the rotation curve of six spiral galaxies and we find an excellent agreement between observational data and the results of our model.