Search of wormholes in different dimensional non-commutative inspired space-times with Lorentzian distribution

被引:23
|
作者
Bhar, Piyali [1 ]
Rahaman, Farook [1 ]
机构
[1] Jadavpur Univ, Dept Math, Kolkata 700032, W Bengal, India
来源
EUROPEAN PHYSICAL JOURNAL C | 2014年 / 74卷 / 12期
关键词
Shape Function; Linearize Stability Analysis; Dimensional Spacetime; Null Energy Condition; Einstein Field Equation;
D O I
10.1140/epjc/s10052-014-3213-8
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
In this paper we ask whether the wormhole solutions exist in different dimensional noncommutativity-inspired spacetimes. It is well known that the noncommutativity of the space is an outcome of string theory and it replaced the usual point-like object by a smeared object. Here we have chosen the Lorentzian distribution as the density function in the noncommutativity-inspired spacetime. We have observed that the wormhole solutions exist only in four and five dimensions; however, in higher than five dimensions no wormhole exists. For five dimensional spacetime, we get a wormhole for a restricted region. In the usual four dimensional spacetime, we get a stable wormhole which is asymptotically flat.
引用
收藏
页数:13
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