Topologically massive magnetic monopoles

被引:5
作者
Aliev, AN [1 ]
Nutku, Y [1 ]
Saygili, K [1 ]
机构
[1] Feza Gursey Inst, TR-81220 Istanbul, Turkey
关键词
D O I
10.1088/0264-9381/17/19/310
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We show that in the Maxwell-Chern-Simons theory of topologically massive electrodynamics the Dirac string of a monopole becomes a cone in anti-de Sitter space with the opening angle of the cone determined by topological mass, which in turn is related to the square root of the cosmological constant. This proves to be an example of a physical system, a priori completely unrelated to gravity, which nevertheless requires curved spacetime for its very existence. We extend this result to topological massive gravity coupled to topologically massive electrodynamics within the framework of the theory of Deser, Jackiw and Templeton. The two-component spinor formalism, which is a Newman-Penrose type approach for three dimensions, is extended to include both the electrodynamical and gravitational topologically massive field equations. Using this formalism exact solution of the coupled Deser-Jackiw-Templeton and Maxwell-Chern-Simons field equations for a topologically massive monopole are presented. These are homogeneous spaces with conical deficit. Pure Einstein gravity coupled to the Maxwell-Chern-Simons field does not admit such a monopole solution.
引用
收藏
页码:4111 / 4123
页数:13
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