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hep-th2008★ 12 cited
Decay of the cosmological constant by Hawking radiation as quantum tunneling
Yuichi Sekiwa
We calculate the emission rate of Hawking radiation from the cosmological horizon by quantum tunneling approaches. Using the Hamilton-Jacobi and the null geodesic methods, two typi…
hep-th2006★ 247 cited
Thermodynamics of de Sitter Black Holes: Thermal Cosmological Constant
Yuichi Sekiwa
We study the thermodynamic properties associated with the black hole event horizon and the cosmological horizon for black hole solutions in asymptotically de Sitter spacetimes. We…