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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 57554 (04)
- University: Sharif University of Technology
- Department: Physics
- Advisor(s): Bahmanabadi, Mahmud; Sheikh Jabbari, Mohammad Mehdi
- Abstract:
- In this survey we explore the black hole information problem, one of the most challenging issues in theoretical physics over the past few decades. According to the theory of general relativity, black holes can form through gravitational collapse of matter. At semiclassical level, however, black holes emit thermal Hawking-radiation and eventually completely evaporate. After evaporation the radiation state cannot retain all the information about the initial matter that underwent gravitational collapse, contradicting the principles of quantum mechanics. Various approaches have been proposed to address this issue. One such approach is the black hole complementarity principle, introduced by Susskind and ’t Hooft, which extends the principle of equivalence to the semiclassical level. According to this concept, unitarity is not violated from the perspectives of different observers, as the information is not simultaneously accessible to all observers. This thesis reviews and examines various approaches, particularly the black hole complementarity principle, and addresses its challenges and shortcomings, as well as more modern concepts like holography, the firewall, the Page curve, island proposal and entanglement entropy
- Keywords:
- Black Hole Information Paradox ; Entanglement Entropy ; Firewall ; Black Hole Complementarity ; Page Curve ; Holography
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