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Deformations of Quantum Field Theories and Quantum Gravity in Finite Spacetimes
Deformations of Quantum Field Theories and Quantum Gravity in Finite Spacetimes
Deformations of Quantum Field Theories and Quantum Gravity in Finite Spacetimes

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105623
ISBN  
9798265429339
DDC  
530
저자명  
Yang, Sungyeon.
서명/저자  
Deformations of Quantum Field Theories and Quantum Gravity in Finite Spacetimes
발행사항  
[Sl] : Stanford University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
158 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: B.
주기사항  
Advisor: Silverstein, Eva.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2025.
초록/해제  
요약Holography has been one of the most promising approaches to study quantum gravity and led to numerous important discoveries that revolutionized our understanding of quantum gravity, Yet, it is still a major challenge to extend the holographic princi-ple beyond Anti-de Sitter space. Building a model of holography for de Sitter space can be a crucial step towards a theory of quantum gravity consistent with the ob-served accelerated expansion of the universe. In this thesis, we explore a proposal for holographic construction of three-dimensional de Sitter space, which uses the ir-relevant TT deformation and its generalizations TT, A2 and OO. We will first go through a trajectory of the solvable TT + A2 deformation and define a boundary dual that captures universal aspects of the duality. Then, we explain an algorithm to properly incorporate the OO operator into the trajectory of deformations and il-lustrate a detailed trajectory that builds a boundary dual that can capture further model-dependent details of the duality. In the last chapter, we study how entan-glement spreads in finite-cutoff three-dimensional spacetimes with positive, negative and zero cosmological constants and describe the spread of entanglement with the entanglement tsunami interpretation.
일반주제명  
Spacetime
일반주제명  
Quantum field theory
일반주제명  
Energy
일반주제명  
Gravity
일반주제명  
Boundary conditions
일반주제명  
Black holes
일반주제명  
Geometry
일반주제명  
Entropy
일반주제명  
Astronomy
일반주제명  
Astrophysics
일반주제명  
Mathematics
일반주제명  
Theoretical physics
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-05B.
전자적 위치 및 접속  
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MARC

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■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a530
■1001  ▼aYang,  Sungyeon.
■24510▼aDeformations  of  Quantum  Field  Theories  and  Quantum  Gravity  in  Finite  Spacetimes
■260    ▼a[Sl]▼bStanford  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a158  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  B.
■500    ▼aAdvisor:  Silverstein,  Eva.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2025.
■520    ▼aHolography  has  been  one  of  the  most  promising  approaches  to  study  quantum  gravity  and  led  to  numerous  important  discoveries  that  revolutionized  our  understanding  of  quantum  gravity,  Yet,  it  is  still  a  major  challenge  to  extend  the  holographic  princi-ple  beyond  Anti-de  Sitter  space.  Building  a  model  of  holography  for  de  Sitter  space  can  be  a  crucial  step  towards  a  theory  of  quantum  gravity  consistent  with  the  ob-served  accelerated  expansion  of  the  universe.  In  this  thesis,  we  explore  a  proposal  for  holographic  construction  of  three-dimensional  de  Sitter  space,  which  uses  the  ir-relevant  TT  deformation  and  its  generalizations  TT,  A2  and  OO.  We  will  first  go  through  a  trajectory  of  the  solvable  TT  +  A2  deformation  and  define  a  boundary  dual  that  captures  universal  aspects  of  the  duality.  Then,  we  explain  an  algorithm  to  properly  incorporate  the  OO  operator  into  the  trajectory  of  deformations  and  il-lustrate  a  detailed  trajectory  that  builds  a  boundary  dual  that  can  capture  further  model-dependent  details  of  the  duality.  In  the  last  chapter,  we  study  how  entan-glement  spreads  in  finite-cutoff  three-dimensional  spacetimes  with  positive,  negative  and  zero  cosmological  constants  and  describe  the  spread  of  entanglement  with  the  entanglement  tsunami  interpretation.
■590    ▼aSchool  code:  0212.
■650  4▼aSpacetime
■650  4▼aQuantum  field  theory
■650  4▼aEnergy
■650  4▼aGravity
■650  4▼aBoundary  conditions
■650  4▼aBlack  holes
■650  4▼aGeometry
■650  4▼aEntropy
■650  4▼aAstronomy
■650  4▼aAstrophysics
■650  4▼aMathematics
■650  4▼aTheoretical  physics
■690    ▼a0791
■690    ▼a0606
■690    ▼a0596
■690    ▼a0405
■690    ▼a0753
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-05B.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360813▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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