Mirror effect induced by the dilaton field on the Hawking radiation

Kengo Maeda, Takashi Okamura

研究成果: Conference contribution

抜粋

A "stringy particle" action is naturally derived from Kaluza-Klein compactification of a test string action coupled to the dilaton field in a conformally invariant manner. According to the standard procedure, we perform the second quantization of the stringy particle. As an interesting application, we consider evaporation of a near-extremal dilatonic black hole by Hawking radiation via the stringy particles. We show that a mirror surface which reflects them is induced by the dilaton field outside the the horizon when the size of the black hole is comparable to the Planck scale. As a result, the energy flux does not propagate across the surface, and hence the evaporation of the dilatonic black hole stops just before the naked singularity at the extremal state appears even though the surface gravity is non-zero in the extremal limit.

元の言語English
ホスト出版物のタイトルAlbert Einstein Century International Conference
ページ406-411
ページ数6
DOI
出版物ステータスPublished - 2006 12 1
イベントAlbert Einstein Century International Conference - Paris, France
継続期間: 2005 7 182005 7 22

出版物シリーズ

名前AIP Conference Proceedings
861
ISSN(印刷物)0094-243X
ISSN(電子版)1551-7616

Conference

ConferenceAlbert Einstein Century International Conference
France
Paris
期間05/7/1805/7/22

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • これを引用

    Maeda, K., & Okamura, T. (2006). Mirror effect induced by the dilaton field on the Hawking radiation. : Albert Einstein Century International Conference (pp. 406-411). (AIP Conference Proceedings; 巻数 861). https://doi.org/10.1063/1.2399603