黑洞霍金輻射、對偶性及相關(guān)問題的研究
[Abstract]:In this paper, the basic knowledge of black hole and the research achievements so far are reviewed, and the author's research work on Hawking tunneling radiation, area quantization and duality of black hole is introduced in detail. This paper is divided into seven chapters, the specific contents are as follows: the first chapter is a summary part. In this chapter, we discuss the formation, evaporation, thermodynamic properties and exploration of black holes. The purpose of the second chapter is to extend the work of Parikh,Wilczek to Hawking radiation of charged particles. We use semi-classical quantum tunneling method to study the Hawking radiation of scalar charged particles in Einstein-Maxwell-Dilaton-Axion (EMDA) space-time. The results show that the Hawking radiation spectrum is not pure thermal spectrum, and the tunneling rate of particles is related to the change of Bekenstein-Hawking entropy. This is consistent with the results of Parikh,Wilczek and Zhang Jingyi and others. At the same time, the tunneling behavior of particles with mass in Taub-Nut spacetime is studied by means of path integral method. The Hawking temperature of the black hole is in agreement with the previous results. In the third chapter, the fermion tunneling radiation is discussed. The key of this part is to construct gamma matrix. In the case of axisymmetric black holes, the tunneling radiation of fermions is discussed in the towed field, taking into account that the matter field in the energy layer near the horizon is towed for motion and the convenience of the gamma matrix construction. The study of fermion tunneling radiation in de Sitter space-time shows that the energy of particles with positive frequency in the cosmic horizon is negative. The study of the fermion tunneling radiation in Horava-Lifshitz 's gravitational theory shows that the Hawking temperature of the black hole is constrained by the relevant parameters of the theory of gravity. In chapter 4, considering the work of Nation et al on the Hawking radiation of one-dimensional quantum channel describing photons and the constraint of Bekenstein,Mayo on the dimension of black hole, we restrict the black hole to one-dimensional. The Hawking radiation of fermions and bosons in Kerr and Kerr-Newman spacetime is discussed by means of one-dimensional channels at the same time. At the same time, the thermal conductivity and conductivity of the black hole are studied. The results show that the thermal conductivity is only related to the surface gravity of the black hole, and the conductivity is only related to the charge of the particle. In the discussion, the magnetic quantum number of the tunneling particle is regarded as a generalized charge, and the corresponding chemical potential is equal to the magnetic quantum number multiplied by the angular velocity. In chapter 5, combined with Maggiore's new explanation of QNMs and the first law of black hole thermodynamics, we discuss the area spectrum of Schwarzschild black hole and high-dimensional Reissner-Nordstrom black hole in space when de Sitter is close to the extreme. The results show that the area spectrum and entropy spectrum are equispaced and independent of the parameters of the black hole. This result is universal and is also applicable to other non-extreme black holes. The sixth chapter is a further extension of Kerr/CFT correspondence. The duality of EMDA black hole in extreme and non-extreme cases is discussed, and the conformal symmetry exists in the "near" region of the black hole. However, due to the local definition of vector field and the periodicity of azimuth angle, this symmetry is regarded as instantaneous breaking. In the non-extreme case, we obtain the absorption cross section of the "near" region, which is exactly equal to the absorption cross section of the finite temperature in the two-dimensional conformal field theory (CFT). The microscopic entropy of black hole is equal to that of Bekenstein-Hawking area-entropy by Cardy formula. In extreme cases, by redefining conformal coordinates, the duality of solutions of CFT and massless scalar field space is studied. The microscopic entropy is equal to the area-entropy. Chapter VII gives a summary of the full text and some ideas for future work.
【學(xué)位授予單位】:電子科技大學(xué)
【學(xué)位級別】:博士
【學(xué)位授予年份】:2011
【分類號】:P145.8
【共引文獻(xiàn)】
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