153 citations · 2k across the 88 of their papers we have counts for
47 papers · 1 filter
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…
Massive logarithmic graviton in the critical generalized massive gravity
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
We study the generalized massive gravity in three dimensional flat spacetime. A massive logarithmic mode is propagating in the flat spacetime at the critical point where two masses…
A massive graviton in topologically new massive gravity
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
We investigate the topologically new massive gravity in three dimensions. It turns out that a single massive mode is propagating in the flat spacetime, comparing to the conformal C…
Quasinormal frequencies using the hidden conformal symmetry of the Schwarzschild black hole
Yong-Wan Kim, Yun Soo Myung, Young-Jai Park
We show that the hidden conformal symmetry of the Schwarzschild black hole is realized from the AdS sector of the AdS, but not from the Rindler spacetime which is…
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…
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…
Slowly rotating black holes in the Horava-Lifshitz gravity
Hyung Won Lee, Yong-Wan Kim, Yun Soo Myung
We investigate slowly rotating black holes in the Hořava-Lifshitz (HL) gravity. For and , we find a slowly rotating black hole of the Kehagias-Sfetsos solution in asym…
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 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…
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…
Nonpropagation of scalar in the deformed Hořava-Lifshitz gravity
Yong-Wan Kim, Hyung Won Lee, Yun Soo Myung
We study the propagation of a scalar, the trace of in the deformed Hořava-Lifshitz gravity with coupling constant . It turns out that this scalar is not a propagating m…
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…
Topologically massive gravity on AdS spacetimes
Yun Soo Myung, Yong-Wan Kim, Young-Jai Park
We study the topologically massive gravity with a negative cosmological constant on AdS spacetimes by making use of dimensional reduction. For a constant dilaton, this two-dime…
Entropy of black holes in topologically massive gravity
Yun Soo Myung, Hyung Won Lee, Yong-Wan Kim
We study the issue of black hole entropy in the topologically massive gravity. Assuming that the presence of gravitational Chern-Simons term with the coupling does modify the…
Quasinormal modes for topologically massive black hole
Hyung Won Lee, Yong-Wan Kim, Yun Soo Myung
We calculate quasinormal modes of a massive scalar perturbation on the topologically massive black hole (CS-BTZ black hole). The chiral point of corresponds to a newly ex…
Ruppeiner geometry and 2D dilaton gravity in the thermodynamics of black holes
Yun Soo Myung, Yong-Wan Kim, Young-Jai Park
We resolve the controversial issue of the geometric approach to the black hole thermodynamics. The geometric description of the equilibrium thermodynamics comes from Ruppeiner geom…