Spacetime and dark matter from spontaneous breaking of Lorentz symmetry
Spacetime and dark matter from spontaneous breaking of Lorentz symmetry
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洛伦兹对称性自发破缺产生的时空和暗物质
DOI：
10.1088/1361-6382/aaea96
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发表时间：
2018
影响因子：
3.5
通讯作者：
T. Koivisto
中科院分区：
文献类型：
--
作者：
Thomas Zlo'snik;F. Urban;L. Marzola;T. Koivisto
它表明，一个自发破缺的规范理论的洛伦兹群包含Ashtekar的手征制剂的广义相对论伴随着灰尘。从这个角度来看，引力完全由复化洛伦兹群的李代数中的ω值和洛伦兹带电标量场t的连接来描述。该模型是“前几何”的意义上说，时空度规可能只在破缺制度。我们推测在何种程度上，这尘埃可能占暗物质和行为的理论在制度的对称性没有被打破。
It is shown that a spontaneously-broken gauge theory of the Lorentz group contains Ashtekar’s chiral formulation of general relativity accompanied by dust. From this perspective, gravity is described entirely by a connection ω valued in the Lie algebra of the complexified Lorentz group and a Lorentz-charged scalar field t. The model is ‘pre-geometric’ in the sense that the spacetime metric may be constructed only in the symmetry-broken regime. We speculate on the extent to which this dust may account for dark matter and on the behaviour of the theory in regimes where the symmetry is not broken.
DOI：
10.1088/1475-7516/2014/06/017
发表时间：
2014-06-01
影响因子：
6.4
作者：
Chamseddine, Ali H.;Mukhanov, Viatcheslav;Vikman, Alexander
通讯作者：
Vikman, Alexander
影响因子：
5.4
作者：
Chamseddine, Ali H.;Mukhanov, Viatcheslav
通讯作者：
Mukhanov, Viatcheslav