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Effective line elements and black-hole models in canonical loop quantum gravity

- M. Bojowald, Suddhasattwa Brahma, Dong-han Yeom
- Physics
- 3 March 2018

Canonical quantization is often used to suggest new effects in quantum gravity, in the dynamics as well as the structure of space-time. Usually, possible phenomena are first seen in a modified… Expand

A consistent model of non-singular Schwarzschild black hole in loop quantum gravity and its quasinormal modes

- Mariam Bouhmadi-L'opez, Suddhasattwa Brahma, Che-Yu Chen, Pisin. Chen, Dong-han Yeom
- Physics
- 27 April 2020

We investigate the interior structure, perturbations, and the associated quasinormal modes of a quantum black hole model recently proposed by Bodendorfer, Mele, and Munch (BMM). Within the framework… Expand

Oscillating Fubini instantons in curved space

- Bum-hoon Lee, W. Lee, Daeho Ro, Dong-han Yeom
- Physics
- 13 September 2014

A Fubini instanton is a bounce solution which describes the decay of a vacuum state located at the top of the tachyonic potential via the tunneling without a barrier. We investigate various types of… Expand

Mass inflation in f(R) gravity ? A conjecture on the resolution of the mass inflation singularity

- Dong-il Hwang, Bum-hoon Lee, Dong-han Yeom
- Physics
- 5 October 2011

We study gravitational collapse of a charged black hole in f(R) gravity using double-null formalism. We require cosmological stability to f(R) models; we used the Starobinsky model and the R+(1/2)cR2… Expand

Dynamics of false vacuum bubbles: beyond the thin shell approximation

- J. Hansen, Dong-il Hwang, Dong-han Yeom
- Physics
- 3 August 2009

We numerically study the dynamics of false vacuum bubbles which are inside an almost flat background; we assumed spherical symmetry and the size of the bubble is smaller than the size of the… Expand

Status Report: Black Hole Complementarity Controversy

- Bum-hoon Lee, Dong-han Yeom
- Physics
- 25 February 2013

Black hole complementarity was a consensus among string theorists for the interpretation of the information loss problem. However, recently some authors find inconsistency of black hole… Expand

Thin-shell bubbles and information loss problem in anti de Sitter background

- M. Sasaki, Dong-han Yeom
- Physics
- 6 April 2014

A bstractWe study the motion of thin-shell bubbles and their tunneling in anti de Sitter (AdS) background. We are interested in the case when the outside of a shell is a Schwarzschild-AdS space… Expand

Black Hole Remnants and the Information Loss Paradox

- Pisin. Chen, Y. C. Ong, Dong-han Yeom
- Physics
- 29 December 2014

Abstract Forty years after the discovery of Hawking radiation, its exact nature remains elusive. If Hawking radiation does not carry any information out from the ever shrinking black hole, it seems… Expand

Asymptotic non-flatness of an effective black hole model based on loop quantum gravity

- M. Bouhmadi-López, Suddhasattwa Brahma, Che-Yu Chen, Pisin Chen, Dong-han Yeom
- Physics
- 21 February 2019

For any non-rotating effective quantum (uncharged) black hole model to be viable, its asymptotic structure of spacetime should reduce to that of a Schwarzschild black hole. After examining the… Expand

Entropy evolution of moving mirrors and the information loss problem

- Pisin. Chen, Dong-han Yeom
- Physics
- 27 April 2017

We investigate the entanglement entropy and the information flow of two-dimensional moving mirrors. Here we point out that various mirror trajectories can help to mimic different candidate… Expand

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