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Towards a Celestial Theory of Gravity, Gauge Theory, and Black Holes
Towards a Celestial Theory of Gravity, Gauge Theory, and Black Holes
Towards a Celestial Theory of Gravity, Gauge Theory, and Black Holes

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202103543
ISBN  
9798280717268
DDC  
530.1
저자명  
Crawley, Erin Avryl.
서명/저자  
Towards a Celestial Theory of Gravity, Gauge Theory, and Black Holes
발행사항  
[Sl] : Harvard University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
210 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-12, Section: B.
주기사항  
Advisor: Strominger, Andrew.
학위논문주기  
Thesis (Ph.D.)--Harvard University, 2025.
초록/해제  
요약The search for a consistent theory of quantum gravity in four-dimensional (4D) asymptotically flat spacetimes has led to the development of celestial holography, a framework in which 4D scattering amplitudes are recast as correlation functions in a two-dimensional (2D) conformal field theory living on the celestial sphere. This dissertation contributes new entries to this 4D--2D holographic dictionary, with applications to scattering theory, black holes, and aspects of supersymmetric gauge theories.We begin by establishing a concrete correspondence between bulk scattering states and boundary CFT states. Boundary states can be constructed via the state-operator correspondence, where the celestial inner products are formulated from bulk inner products using a combination of shadow transforms and BPZ conjugation. This 2D reformulation organizes the scattering problem in a dramatically different way than in the 4D bulk, by mapping states between the hemispheres of the 2D boundary.Next, we develop a direct map between black hole geometries and scattering amplitudes in (2,2) signature, showing how linearized black hole spacetimes such as Kerr-Taub-NUT can be obtained from three-point graviton emission amplitudes. We also study the global structure of (2,2) black holes via toric Penrose diagrams and show that the Kerr rotation parameter, a, can be eliminated by a large diffeomorphism.Following from these black hole results, we derive the celestial CFT dual of 4D linearized rotating self-dual black holes. This is accomplished by identifying the corresponding 2D "black hole'' states as global conformal primaries on the celestial torus. These can be realized as coherent states of Goldstone modes, carrying an infinite tower of soft hair. We also draw connections to Wilson lines and celestial scattering in curved backgrounds.Finally, we take steps towards the celestial dual for supersymmetric N = 2 gauge theories. We find that the soft sector of these theories is realized as a chiral algebra on the boundary, and that the bulk electric-magnetic duality is realized as SL2(Z) covariance of the celestial symmetry algebra. We also explore the boundary interpretation of the bulk moduli space singularities in terms of vertex operators constructed from soft and Goldstone modes.
일반주제명  
Theoretical physics
일반주제명  
Astrophysics
일반주제명  
Astronomy
일반주제명  
Quantum physics
키워드  
Black holes
키워드  
Celestial holography
키워드  
Flat space holography
키워드  
Quantum gravity
키워드  
Penrose diagrams
기타저자  
Harvard University Physics
기본자료저록  
Dissertations Abstracts International. 86-12B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■035    ▼a(MiAaPQ)AAI32041080
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a530.1
■1001  ▼aCrawley,  Erin  Avryl.▼0(orcid)0000-0002-5094-5446
■24510▼aTowards  a  Celestial  Theory  of  Gravity,  Gauge  Theory,  and  Black  Holes
■260    ▼a[Sl]▼bHarvard  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a210  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-12,  Section:  B.
■500    ▼aAdvisor:  Strominger,  Andrew.
■5021  ▼aThesis  (Ph.D.)--Harvard  University,  2025.
■520    ▼aThe  search  for  a  consistent  theory  of  quantum  gravity  in  four-dimensional  (4D)  asymptotically  flat  spacetimes  has  led  to  the  development  of  celestial  holography,  a  framework  in  which  4D  scattering  amplitudes  are  recast  as  correlation  functions  in  a  two-dimensional  (2D)  conformal  field  theory  living  on  the  celestial  sphere.  This  dissertation  contributes  new  entries  to  this  4D--2D  holographic  dictionary,  with  applications  to  scattering  theory,  black  holes,  and  aspects  of  supersymmetric  gauge  theories.We  begin  by  establishing  a  concrete  correspondence  between  bulk  scattering  states  and  boundary  CFT  states.  Boundary  states  can  be  constructed  via  the  state-operator  correspondence,  where  the  celestial  inner  products  are  formulated  from  bulk  inner  products  using  a  combination  of  shadow  transforms  and  BPZ  conjugation.  This  2D  reformulation  organizes  the  scattering  problem  in  a  dramatically  different  way  than  in  the  4D  bulk,  by  mapping  states  between  the  hemispheres  of  the  2D  boundary.Next,  we  develop  a  direct  map  between  black  hole  geometries  and  scattering  amplitudes  in  (2,2)  signature,  showing  how  linearized  black  hole  spacetimes  such  as  Kerr-Taub-NUT  can  be  obtained  from  three-point  graviton  emission  amplitudes.  We  also  study  the  global  structure  of  (2,2)  black  holes  via  toric  Penrose  diagrams  and  show  that  the  Kerr  rotation  parameter,  a,  can  be  eliminated  by  a  large  diffeomorphism.Following  from  these  black  hole  results,  we  derive  the  celestial  CFT  dual  of  4D  linearized  rotating  self-dual  black  holes.  This  is  accomplished  by  identifying  the  corresponding  2D  "black  hole''  states  as  global  conformal  primaries  on  the  celestial  torus.  These  can  be  realized  as  coherent  states  of  Goldstone  modes,  carrying  an  infinite  tower  of  soft  hair.  We  also  draw  connections  to  Wilson  lines  and  celestial  scattering  in  curved  backgrounds.Finally,  we  take  steps  towards  the  celestial  dual  for  supersymmetric  N  =  2  gauge  theories.  We  find  that  the  soft  sector  of  these  theories  is  realized  as  a  chiral  algebra  on  the  boundary,  and  that  the  bulk  electric-magnetic  duality  is  realized  as  SL2(Z)  covariance  of  the  celestial  symmetry  algebra.  We  also  explore  the  boundary  interpretation  of  the  bulk  moduli  space  singularities  in  terms  of  vertex  operators  constructed  from  soft  and  Goldstone  modes.
■590    ▼aSchool  code:  0084.
■650  4▼aTheoretical  physics
■650  4▼aAstrophysics
■650  4▼aAstronomy
■650  4▼aQuantum  physics
■653    ▼aBlack  holes
■653    ▼aCelestial  holography
■653    ▼aFlat  space  holography
■653    ▼aQuantum  gravity
■653    ▼aPenrose  diagrams
■690    ▼a0753
■690    ▼a0599
■690    ▼a0596
■690    ▼a0606
■71020▼aHarvard  University▼bPhysics.
■7730  ▼tDissertations  Abstracts  International▼g86-12B.
■790    ▼a0084
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17357667▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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