克爾-紐曼黑洞下的成對產生;Spontaneous Pair Production in Kerr-Newman Black Holes

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题名:	克爾-紐曼黑洞下的成對產生;Spontaneous Pair Production in Kerr-Newman Black Holes
作者:	蔡明政;Tasi,Ming-Jang
贡献者:	物理學系
关键词:	克爾-紐曼黑洞下的成對產生;彎曲時空中的量子場論;Spontaneous Pair Production in Kerr-Newman Black Holes;Quantum Field in Curved Spacetime;Particle Creation by Gravitational Fields;Near Horizon Near Extremal Limit
日期:	2015-08-28
上传时间:	2015-09-23 11:35:20 (UTC+8)
出版者:	國立中央大學
摘要:	本篇論文主要是研究帶電跟角動量的時空背景下也就是KN黑洞粒子成對產生發射到無窮遠處首先透過量子場論在彎曲空間下討論真空中粒子如何產生在彎曲空間中有Bogoliubov關係式連結時空中不同兩點的狀態係數B並不消逝而有粒子產生然後透過計算通量的方式告訴帶電純量場在這樣的幾何下如何產生並發射出來取近極端近事件視界極限我們可以得到近極端近事件視界的KN黑洞的幾何由通量守恆可以得到一個類比於Bogoliubov關係式的式子其中B跟beta在粒子生成扮演重要角色分別考慮極端KN黑洞和近極端KN黑洞計算粒子在視界附近穿隧出來射向無窮遠的通量;In this thesis we mainly study the production of pair particles carrying energy, electricity and angular momentum of the background, which is a Kerr-Newman (KN) black hole. Firstly we review the quantum field theory in curved spacetime to discuss the vacuum particle production by connecting quantum field at two different points in spacetime via the Bogoliubov relation. More precisely, the non-vanishing $B$ coefficients indicates the appearance of the particle production. We then analysis the charged scalar production appearing at the near-horizon region of near-extremal KN black hole via the ratios of the fluxes of in- and out-going propagating modes at two boundaries. From the conservation of flux one can obtain a expressions analogy to the Bogoliubov relation. Thus the Bogoliubov coefficients, consequently the essential physical quantities, such as vacuum persistence, mean number of production and absorption cross section, can be obtained.
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