206 citations · 1.3k across the 68 of their papers we have counts for
24 papers · 1 filter
Gregory-Laflamme instability of BTZ black hole in new massive gravity
Taeyoon Moon, Yun Soo Myung
We find the Gregory-Laflamme -mode instability of the non-rotating BTZ black hole in new massive gravity. This instability shows that the BTZ black hole could not exist as a sta…
Quantization of n coupled scalar field theory
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
We study a model of n coupled scalar fields in Minkowski spacetime where all masses degenerate, which is considered as a toy model of polycritical gravity on AdS spacetime. We quan…
BRST quantization of a sixth-order derivative scalar field theory
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
We study a sixth order derivative scalar field model in Minkowski spacetime as a toy model of higher-derivative critical gravity theories. This model is consistently quantized when…
Rank-3 finite temperature logarithmic conformal field theory
Taeyoon Moon, Yun Soo Myung
We construct a rank-3 finite temperature logarithmic conformal field theory (LCFT) starting from a higher-derivative scalar field model in the BTZ black hole background. Its zero t…
Quasinormal modes around the BTZ black hole at the tricritical generalized massive gravity
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
Employing the operator method, we obtain log-square quasinormal modes and frequencies of a graviton around the BTZ black hole at the tricritical point of the generalized massive gr…
Quasinormal modes and hidden conformal symmetry in the Reissner-Nordstrom black hole
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
It is shown that the scalar wave equation in the near-horizon limit respects a hidden SL(2,R) invariance in the Reissner-Nordstrom (RN) black hole spacetimes. We use the SL(2,R) sy…
Logarithmic quasinormal modes of a spin-3 field around the BTZ black hole
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
Using the operator approach, we obtain logarithmic quasinormal modes and frequencies of a traceless spin-3 field around the BTZ black hole at the critical point of the spin-3 topol…
Quasinormal frequencies and thermodynamic quantities for the Lifshitz black holes
Yun Soo Myung, Taeyoon Moon
We find the connection between thermodynamic quantities and quasinormal frequencies in Lifshitz black holes. It is shown that the globally stable Lifshitz black holes have pure ima…
Spin-3 quasinormal modes of BTZ black hole
Yun Soo Myung, Yong-Wan Kim, Young-Jai Park
Using the operator approach, we obtain quasinormal modes (QNMs) of BTZ black hole in spin-3 topologically massive gravity by solving the first-order equation of motion with the tra…
Critical gravity on AdS2 spacetimes
Yun Soo Myung, Yong-Wan Kim, Young-Jai Park
We study the critical gravity in two dimensional AdS (AdS) spacetimes, which was obtained from the cosmological topologically massive gravity (TMG) in three dimensions by u…
Classical stability of BTZ black hole in new massive gravity
Yun Soo Myung, Yong-Wan Kim, Taeyoon Moon +1
We study the stability of the BTZ black hole in the new massive gravity. This is a nontrivial task because the linearized equation around the BTZ black hole background is a fourth…
Entropic force versus temperature force
Yun Soo Myung, Hyung Won Lee, Yong-Wan Kim
We introduce the cavity enclosing a source mass to define the temperature force. Starting with the Tolman temperature in the stationary spacetime, we find a non-relativistic te…
Entropic force in the presence of black hole
Yun Soo Myung
We derive the entropic force in the presence of the Schwarzschild black hole by using the local equipartition rule and holographic principle. On the other hand, when using the Tolm…
Entropic force and entanglement system
Yun Soo Myung, Yong-Wan Kim
We introduce the isothermal cavity, static holographic screen, and accelerating surface as holographic screen to study the entropic force in the presence of the Schwarzschild black…
Dilaton gravity approach to three dimensional Lifshitz black hole
Yun Soo Myung, Yong-Wan Kim, Young-Jai Park
The z=3 Lifshitz black hole is an exact black hole solution to the new massive gravity in three dimensions. In order to understand this black hole clearly, we perform a dimensional…
Generalized uncertainty principle, quantum gravity and Hořava-Lifshitz gravity
Yun Soo Myung
We investigate a close connection between generalized uncertainty principle (GUP) and deformed Hořava-Lifshitz (HL) gravity. The GUP commutation relations correspond to the UV-quan…
Extremal black holes in the Hořava-Lifshitz gravity
Hyung Won Lee, Yong-Wan Kim, Yun Soo Myung
We study the near-horizon geometry of extremal black holes in the Hořava-Lifshitz gravity with a flow parameter . For , near-horizon geometry of extremal black hole…
Thermodynamics of Hořava-Lifshitz black holes
Yun Soo Myung, Yong-Wan Kim
We study black holes in the Hořava-Lifshitz gravity with a parameter . For , the black holes behave the Lifshitz black holes with dynamical exponent ,…
Entropy function approach to charged BTZ black hole
Yun Soo Myung, Yong-Wan Kim, Young-Jai Park
We find solution to the metric function f(r)=0 of charged BTZ black hole making use of the Lambert function. The condition of extremal charged BTZ black hole is determined by a non…
Nonpropagation of massive mode on AdS2 in topologically massive gravity
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
Making use of Achucarro-Ortiz (AO) type of dimensional reduction, we study the topologically massive gravity with a negative cosmological constant on AdS2 spacetimes. For a constan…
No Hawking-Page phase transition in three dimensions
Yun Soo Myung
We investigate whether or not the Hawking-Page phase transition is possible to occur in three dimensions. Starting with the simplest class of Lanczos-Lovelock action, thermodynamic…
Sourced Friedmann equations with holographic energy density
Yun Soo Myung
We reexamine cosmological applications of the holographic energy density in the framework of sourced Friedmann equations. This framework is suitable because it can accommodate a ma…
Holographic entropy bounds in the inflationary universe
Y. S. Myung
We introduce the relation between the holographic entropy bounds and the inflationary universe. First the holographic entropy bounds for radiation-dominated universe, radiation-dom…
Bekenstein Bound, Holography and Brane Cosmology in Charged Black Hole Backgrounds
Rong-Gen Cai, Yun Soo Myung, Nobuyoshi Ohta
We obtain a Bekenstein entropy bound for the charged objects in arbitrary dimensions () using the D-bound recently proposed by Bousso. With the help of thermodynamics of CF…