### Abstract

We study an approximation method of Hawking radiation. We analyze a massless scalar field in exotic black hole background models which have peculiar properties in black hole thermodynamics [a monopole black hole in the SO(3) Einstein-Yang-Mills-Higgs system and a dilatonic black hole in the Einstein-Maxwell-dilaton system]. A scalar field is assumed not to be coupled to matter fields consisting of a black hole background. Except for extreme black holes, we can approximate Hawking radiation well by a "blackbody" one with the Hawking temperature estimated at a radius of a critical impact parameter.

Original language | English |
---|---|

Article number | 107503 |

Pages (from-to) | 1-4 |

Number of pages | 4 |

Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |

Volume | 62 |

Issue number | 10 |

Publication status | Published - 2000 Nov 15 |

### Fingerprint

### ASJC Scopus subject areas

- Physics and Astronomy(all)
- Nuclear and High Energy Physics
- Mathematical Physics
- Physics and Astronomy (miscellaneous)

### Cite this

*Physical Review D - Particles, Fields, Gravitation and Cosmology*,

*62*(10), 1-4. [107503].

**Estimating Hawking radiation for exotic black holes.** / Tamaki, Takashi; Maeda, Keiichi.

Research output: Contribution to journal › Article

*Physical Review D - Particles, Fields, Gravitation and Cosmology*, vol. 62, no. 10, 107503, pp. 1-4.

}

TY - JOUR

T1 - Estimating Hawking radiation for exotic black holes

AU - Tamaki, Takashi

AU - Maeda, Keiichi

PY - 2000/11/15

Y1 - 2000/11/15

N2 - We study an approximation method of Hawking radiation. We analyze a massless scalar field in exotic black hole background models which have peculiar properties in black hole thermodynamics [a monopole black hole in the SO(3) Einstein-Yang-Mills-Higgs system and a dilatonic black hole in the Einstein-Maxwell-dilaton system]. A scalar field is assumed not to be coupled to matter fields consisting of a black hole background. Except for extreme black holes, we can approximate Hawking radiation well by a "blackbody" one with the Hawking temperature estimated at a radius of a critical impact parameter.

AB - We study an approximation method of Hawking radiation. We analyze a massless scalar field in exotic black hole background models which have peculiar properties in black hole thermodynamics [a monopole black hole in the SO(3) Einstein-Yang-Mills-Higgs system and a dilatonic black hole in the Einstein-Maxwell-dilaton system]. A scalar field is assumed not to be coupled to matter fields consisting of a black hole background. Except for extreme black holes, we can approximate Hawking radiation well by a "blackbody" one with the Hawking temperature estimated at a radius of a critical impact parameter.

UR - http://www.scopus.com/inward/record.url?scp=17044383029&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=17044383029&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:17044383029

VL - 62

SP - 1

EP - 4

JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

SN - 0556-2821

IS - 10

M1 - 107503

ER -