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Scalar Fields in BTZ Black Hole Spacetime and Entanglement Entropy (1106.1005v3)
Published 6 Jun 2011 in hep-th
Abstract: We study the quantum scalar fields in background of BTZ black hole spacetime. We calculate the entanglement entropy using the discretized model, which resembles a system of coupled harmonic oscillators. The leading term of the entropy formula is standard Bakenstein-Hawking entropy and sub-leading corresponds to quantum corrections to black hole entropy. We calculate the co-efficent of sub-leading logarithmic corrections numerically.
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