Einstein-Cartan wormhole solutions

被引:76
|
作者
Mehdizadeh, Mohammad Reza [1 ,2 ]
Ziaie, Amir Hadi [1 ]
机构
[1] Shahid Bahonar Univ, Dept Phys, POB 76175, Kerman, Iran
[2] RIAAM, POB 55134-441, Maragha, Iran
关键词
COSMOLOGICAL MODELS; GENERAL-RELATIVITY; TORSION; SPIN; GRAVITY; ENERGY; CONSTANT; UNIVERSE; EQUATION; CONNECTIONS;
D O I
10.1103/PhysRevD.95.064049
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In the present work, we investigate wormhole structures and the energy conditions supporting them in Einstein-Cartan theory. The matter content consists of aWeyssenhoff fluid along with an anisotropic matter which together generalize the anisotropic energy momentum tensor in general relativity (GR) to include spin effects. Assuming that the radial pressure and energy density obey a linear equation of state, we introduce exact asymptotically flat and anti-de-Sitter spacetimes that admit traversable wormholes and respect energy conditions. Such wormhole solutions are studied in detail for two specific forms for the redshift function, namely a constant redshift function and the one with power law dependency.
引用
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页数:12
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