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Decision Tree Analysis of Clinical Signs for the Early Detection of Classical Swine Fever Outbreaks.
Eune-sub Lee,Choi-kyu Park,Oun-kyu Moon,Young-hwan Jean,Jin-mock Jeong,Ha-jeong Yoon,Seok-jae Kim,In-jin Hwang,Kyung-sun Kang,Young-soon Lee,Ju-ho Lee,Sung-hwan Wee 대한수의학회 2003 대한수의학회 학술대회발표집 Vol.2003 No.-
Proper temperature of the Schwarzschild AdS black hole revisited
Eune, Myungseok,Kim, Wontae Elsevier 2017 Physics letters: B Vol.773 No.-
<P><B>Abstract</B></P> <P>The Unruh temperature calculated by using the global embedding of the Schwarzschild AdS spacetime into the Minkowski spacetime was identified with the local proper temperature; however, it became imaginary in a certain region outside the event horizon. So, the temperature was assumed to be zero of non-thermal radiation for that region. In this work, we revisit this issue in an exactly soluble two-dimensional Schwarzschild AdS black hole and present an alternative resolution to this problem in terms of the Tolman's procedure. However, the process appears to be non-trivial in the sense that the original procedure assuming the traceless energy–momentum tensor should be extended in such a way that it should cover the non-vanishing case of the energy–momentum tensor in the presence of the trace anomaly. Consequently, we show that the proper temperature turns out to be real everywhere outside the event horizon without any imaginary value, in particular, it vanishes at both the horizon and the asymptotic infinity.</P>
Local thermodynamics of KS black hole
Eune, M.,Gwak, B.,Kim, W. North-Holland Pub. Co 2013 Physics letters: B Vol.718 No.4
We study the thermodynamics of the KS black hole which is an asymptotically flat solution of the HL gravity. In particular, we introduce a cavity to describe the thermodynamics at a finite isothermal surface on general ground and to get a well-defined thermodynamics. We show that there exists a locally stable small black hole which tunnels to the hot flat space below the critical temperature and to the large black hole above the critical temperature. Moreover, it turns out that the remnant decays into the vacuum through a quantum tunneling.
Effective potentials in the Lifshitz scalar field theory
Eune, Myungseok,Kim, Wontae,Son, Edwin J. Elsevier 2011 Physics letters: B Vol.703 No.1
<P><B>Abstract</B></P><P>We study the one-loop effective potentials of the four-dimensional Lifshitz scalar field theory with the particular anisotropic scaling z=2, and the mass and the coupling constants renormalization are performed whereas the finite counterterm is just needed for the highest order of the coupling because of the mild UV divergence. Finally, we investigate whether the critical temperature for the symmetry breaking can exist or not in this approximation.</P>
Entropy and temperatures of Nariai black hole
Eune, M.,Kim, W. North-Holland Pub. Co 2013 Physics letters: B Vol.723 No.1
The statistical entropy of the Nariai black hole in a thermal equilibrium is calculated by using the brick-wall method. Even if the temperature depends on the choice of the timelike Killing vector, the entropy can be written by the ordinary area law which agrees with the Wald entropy. We discuss some physical consequences of this result and the properties of the temperatures.
NOTE ON AN ACTION FOR A PARTICLE IN THE HOŘAVA-LIFSHITZ GRAVITY
EUNE, MYUNGSEOK,KIM, WONTAE World Scientific 2010 Modern Physics Letters A Vol.25 No.34
<P> We classify a recently proposed action for a free particle which is compatible with Hořava-Lifshitz gravity, and then obtain the subluminal and the superluminal limits without gauge ambiguity in terms of Hamiltonian formulation. </P>
Note on explicit form of entanglement entropy in the Russo-Susskind-Thorlacius model
Eune, Myungseok,Gim, Yongwan,Kim, Wontae American Physical Society 2014 PHYSICAL REVIEW D - Vol.89 No.12
For an evaporating black hole which is a radiation-black hole combined system, we express the entanglement entropy and the Page time in terms of the conformal time in the Russo-Susskind-Thorlacius model. The entropy change of the black hole is nicely written in terms of Hawking flux. Integrating the first law of thermodynamics, we can obtain the decreasing black hole entropy and the increasing radiation entropy, and the entanglement entropy for this system based on the Page argument. We also obtain analytically the critical temperature to release black hole information, which corresponds to the Page time, and discuss the relation between the conserved total entropy and information recovering of the black hole in this model.
Effective Tolman temperature induced by trace anomaly
Eune, Myungseok,Gim, Yongwan,Kim, Wontae Springer 2017 European Physical Journal C Vol.77 No.4
<P>Despite the finiteness of stress tensor for a scalar field on the four-dimensional Schwarzschild black hole in the Israel-Hartle-Hawking vacuum, the Tolman temperature in thermal equilibrium is certainly divergent on the horizon due to the infinite blue-shift of the Hawking temperature. The origin of this conflict is due to the fact that the conventional Tolman temperature was based on the assumption of a traceless stress tensor, which is, however, incompatible with the presence of the trace anomaly responsible for the Hawking radiation. Here, we present an effective Tolman temperature which is compatible with the presence of the trace anomaly by using the modified Stefan-Boltzmann law. Eventually, the effective Tolman temperature turns out to be finite everywhere outside the horizon, and so an infinite blue-shift of the Hawking temperature at the event horizon does not appear any more. In particular, it is vanishing on the horizon, so that the equivalence principle is exactly recovered at the horizon.</P>