Journal
PHYSICS LETTERS B
Volume 774, Issue -, Pages 229-234Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2017.09.044
Keywords
Regular black hole; Nonlinear electrodynamics; (2+1)-dimensional spacetime
Funding
- National Natural Science Foundation of China [11605107]
- Natural Science Foundation of Shanxi [201601D021022]
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On the basis of two requirements: the avoidance of the curvature singularity and the Maxwell theory as the weak field limit of the nonlinear electrodynamics, we find two restricted conditions on the metric function of (2 + 1)-dimensional regular black hole in general relativity coupled with nonlinear electrodynamics sources. By the use of the two conditions, we obtain a general approach to construct (2 + 1)-dimensional regular black holes. In this manner, we construct four (2 + 1)-dimensional regular black holes as examples. We also study the thermodynamic properties of the regular black holes and verify the first law of black hole thermodynamics. (c) 2017 The Author(s). Published by Elsevier B.V.
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