Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 73, Issue 5, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-013-2440-8
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Funding
- National Research Foundation of Korea (NRF)
- Korea government (MEST) through the Center for Quantum Spacetime (CQUeST) of Sogang University [2005-0049409]
- Korea government (MEST) [2012-R1A1A2A10040499]
- Ministry of Education, Science and Technology through the National Research Foundation of Korea [R31-20002]
- World Class University program
- National Research Foundation of Korea [2012R1A1A2A10040499, 2005-0049409, R31-2012-000-20002-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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) symmetry to determine algebraically the purely imaginary quasinormal frequencies of the RN black hole. We confirm that these are exactly quasinormal modes of scalar perturbation around the near-horizon region of a near-extremal black hole.
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