Scalar field in massive BTZ black hole and entanglement entropy *

Yu-Ting Zhou; Xiao-Mei Kuang

doi:10.1088/1674-1137/44/1/015102

Chinese Physics C, Volume. 44, Issue 1, (2020)

Scalar field in massive BTZ black hole and entanglement entropy *

Yu-Ting Zhou^1,2 and Xiao-Mei Kuang^1、*

¹Center for Gravitation and Cosmology, College of Physical Science and Technology, Yangzhou University2Center for Gravitation and Cosmology, College of Physical Science and Technology, Yangzhou University, Yangzhou 225009, China

¹College of Mathematics and Science, Yangzhou University1College of Mathematics and Science, Yangzhou University, Yangzhou 225009, China

²Center for Gravitation and Cosmology, College of Physical Science and Technology, Yangzhou University2Center for Gravitation and Cosmology, College of Physical Science and Technology, Yangzhou University, Yangzhou 225009, China

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Figures & Tables(4)

Fig. 1. (color online) Entropy fitted by logarithmic correction (31) for different masses of graviton.

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Fig. 2. (color online) Linear fitting of the entropy for different m.

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Table 1. The effect of mass of graviton on the entanglement entropy with fixed for different .

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Table 1. The effect of mass of graviton on the entanglement entropy with fixed for different .


	m = 0	m = 0.5	m = 1	m = 0	m = 0.5	m = 1	m = 0	m = 0.5	m = 1	m = 0	m = 0.5	m = 1
10	0.98177	0.98190	0.98145	0.00732	0.00548	0.00331	0.00010	0.00046	0.00027	0.99795	0.99399	0.98875
50	1.70383	1.70259	1.68877	0.25020	0.18895	0.15193	0.02178	0.01702	0.013599	2.25842	2.12277	2.02639
100	2.39708	2.38928	2.33553	0.79353	0.72815	0.67098	0.14988	0.12739	0.156145	4.35903	4.16412	4.06405

Table 2. Coefficients in (31) by fitting the entropy.
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Table 2. Coefficients in (31) by fitting the entropy.
c
0.489594 0.480959 0.461284
−0.34156 −0.417998 −0.425697
0.452134 0.484263 0.504732