Detailed Information on Publication Record
2020
Ringing of the regular black-hole/wormhole transition
CHURILOVA, Maria and Zdeněk STUCHLÍKBasic information
Original name
Ringing of the regular black-hole/wormhole transition
Authors
CHURILOVA, Maria (804 Ukraine, belonging to the institution) and Zdeněk STUCHLÍK (203 Czech Republic, belonging to the institution)
Edition
Classical and Quantum Gravity, 2020, 0264-9381
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10308 Astronomy
Country of publisher
United Kingdom of Great Britain and Northern Ireland
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
RIV identification code
RIV/47813059:19630/20:A0000030
Organization unit
Institute of physics in Opava
UT WoS
000518962300001
Keywords in English
black hole; quasinormal mode; wormhole; echo
Tags
Tags
International impact, Reviewed
Links
GA19-03950S, research and development project.
Změněno: 19/4/2021 14:11, Mgr. Pavlína Jalůvková
Abstract
V originále
A simple one-parameter generalization of the Schwarzschild spacetime was recently suggested by A Simpson and M Visser [2019 J. Cosmol. Astropart. Phys. JCAP02(2019)042] as a toy model describing the regular black hole and traversable wormhole states separated by the border (one-way wormhole) state. We study quasinormal modes of all the three states and show that the black-hole/wormhole transition is characterized by echoes, while the remnant of the black hole state is kept in the time-domain profile of the wormhole perturbation at the initial stage of the exponential fall off. Calculations of quasinormal modes using the WKB method with Pade expansion and the time-domain integration are in good agreement. An analytical formula governing quasinormal modes in the eikonal regime is given.