Supergravity with mimetic dark matter

Supergravity with mimetic dark matter
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模拟暗物质的超重力

DOI:
10.1140/epjc/s10052-021-09656-x
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发表时间:
2021
期刊:
The European Physical Journal C
影响因子:
--
通讯作者:
Chamseddine, Ali H.
Chamseddine, Ali H.
中科院分区:
--
文献类型:
--
作者:
Chamseddine, Ali H.

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我们用模拟暗物质来表述超对称引力。利用张量演算的规则,使约束手征多重态与超引力的耦合局部超对称化。手性多重峰被拉格朗日乘数多重峰约束,该多重峰可以是手性多重峰或线性多重峰。在这两种情况下,我们得到了完全超对称的拉格朗日量。结果表明,由超引力多重态、手征多重态和拉格朗日乘子多重态组成的系统可以自发地破缺超对称性,从而得到一个引力子、大质量引力伴子和两个标量场的模拟暗物质模型.手征多重态和拉格朗日乘子多重态的组合可以作为局域超对称破缺的隐扇区。
We formulate a supersymmetric version of gravity with mimetic dark matter. The coupling of a constrained chiral multiplet tosupergravity is made locally supersymmetric using the rules of tensor calculus. The chiral multiplet is constrained with a Lagrange multiplier multiplet that could be either a chiral multiplet or a linear multiplet. We obtain the fully supersymmetric Lagrangians in both cases. It is then shown that the system consisting of the supergravity multiplet, the chiral multiplet and the Lagrange multiplier multiplet can break supersymmetry spontaneously leading to a model of a graviton, massive gravitino and two scalar fields representing mimetic dark matter. The combination of the chiral multiplet and Lagrange multiplier multiplet can act as the hidden sector breaking localsupersymmetry.
超对称杨-米尔斯理论与超引力的耦合
DOI: 10.1016/0370-2693(82)90332-x
发表时间: 1982
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影响因子: 4.4
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论“16+16”超引力的可约性
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