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Gaining Insights Into the Formation of Binary Black Hole Mergers: Towards a New Era of Binary Evolution
Gaining Insights Into the Formation of Binary Black Hole Mergers: Towards a New Era of Bin...
Gaining Insights Into the Formation of Binary Black Hole Mergers: Towards a New Era of Binary Evolution

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20250211152705
ISBN  
9798384020097
DDC  
523
저자명  
Gallegos Garcia, Monica Paulina.
서명/저자  
Gaining Insights Into the Formation of Binary Black Hole Mergers: Towards a New Era of Binary Evolution
발행사항  
[Sl] : Northwestern University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
176 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-02, Section: B.
주기사항  
Advisor: Kalogera, Vicky.
학위논문주기  
Thesis (Ph.D.)--Northwestern University, 2024.
초록/해제  
요약One hundred years after Albert Einstein predicted their existence, the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected distortions in the fabric of spacetime known as gravitational waves. This discovery provided for the first time direct evidence of one of the most energetic events in the universe: the merger of two black holes once in an orbit around each other. My research addresses a key unresolved question: How do these gravitational wave sources form in nature? For more than two decades, rapid binary population synthesis codes have been used to address this question. Although these codes have been instrumental in our general understanding of merging compact objects, most rely on analytical fits of single-star evolutionary tracks and parameterized models for interactive phases of binary evolution. This has led to large prediction uncertainties and an inability to explain current observations. Simultaneously, we are experiencing a rise in the number of merger detections and with the advent of next-generation instruments this number will increase 1000-fold, revealing a larger, more diverse population. In my dissertation I focus on improving our understanding of the formation of gravitational wave sources through a comprehensive and physics-focused approach to the details of binary evolution. In this dissertation, I will 1) show how my study of merging binary black holes with the state-of-the-art stellar evolution code MESA challenges common wisdom regarding their formation, 2) describe how incorporating key electromagnetically-observed binary systems enables a more comprehensive study of the formation of gravitational wave sources, and 3) provide an example illustrating the necessity for collaborative research in developing improved, physically-motivated models for binary evolution.
일반주제명  
Astrophysics
일반주제명  
Astronomy
일반주제명  
Planetology
일반주제명  
Atmospheric sciences
키워드  
Binary black holes
키워드  
Gravitational waves
키워드  
Black hole mergers
키워드  
Binary evolution
키워드  
Binary neutron stars
기타저자  
Northwestern University Physics and Astronomy
기본자료저록  
Dissertations Abstracts International. 86-02B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■020    ▼a9798384020097
■035    ▼a(MiAaPQ)AAI31488222
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a523
■1001  ▼aGallegos  Garcia,  Monica  Paulina.▼0(orcid)0000-0003-0648-2402
■24510▼aGaining  Insights  Into  the  Formation  of  Binary  Black  Hole  Mergers:  Towards  a  New  Era  of  Binary  Evolution
■260    ▼a[Sl]▼bNorthwestern  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a176  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-02,  Section:  B.
■500    ▼aAdvisor:  Kalogera,  Vicky.
■5021  ▼aThesis  (Ph.D.)--Northwestern  University,  2024.
■520    ▼aOne  hundred  years  after  Albert  Einstein  predicted  their  existence,  the  Laser  Interferometer  Gravitational-Wave  Observatory  (LIGO)  detected  distortions  in  the  fabric  of  spacetime  known  as  gravitational  waves.  This  discovery  provided  for  the  first  time  direct  evidence  of  one  of  the  most  energetic  events  in  the  universe:  the  merger  of  two  black  holes  once  in  an  orbit  around  each  other.  My  research  addresses  a  key  unresolved  question:  How  do  these  gravitational  wave  sources  form  in  nature?  For  more  than  two  decades,  rapid  binary  population  synthesis  codes  have  been  used  to  address  this  question.    Although  these  codes  have  been  instrumental  in  our  general  understanding  of  merging  compact  objects,  most  rely  on  analytical  fits  of  single-star  evolutionary  tracks  and  parameterized  models  for  interactive  phases  of  binary  evolution.  This  has  led  to  large  prediction  uncertainties  and  an  inability  to  explain  current  observations.  Simultaneously,  we  are  experiencing  a  rise  in  the  number  of  merger  detections  and  with  the  advent  of  next-generation  instruments  this  number  will  increase  1000-fold,  revealing  a  larger,  more  diverse  population.  In  my  dissertation  I  focus  on  improving  our  understanding  of  the  formation  of  gravitational  wave  sources  through  a  comprehensive  and  physics-focused  approach  to  the  details  of  binary  evolution.  In  this  dissertation,  I  will  1)  show  how  my  study  of  merging  binary  black  holes  with  the  state-of-the-art  stellar  evolution  code  MESA  challenges  common  wisdom  regarding  their  formation,  2)  describe  how  incorporating  key  electromagnetically-observed  binary  systems  enables  a  more  comprehensive  study  of  the  formation  of  gravitational  wave  sources,  and  3)  provide  an  example  illustrating  the  necessity  for  collaborative  research  in  developing  improved,  physically-motivated  models  for  binary  evolution.
■590    ▼aSchool  code:  0163.
■650  4▼aAstrophysics
■650  4▼aAstronomy
■650  4▼aPlanetology
■650  4▼aAtmospheric  sciences
■653    ▼aBinary  black  holes
■653    ▼aGravitational  waves
■653    ▼aBlack  hole  mergers
■653    ▼aBinary  evolution
■653    ▼aBinary  neutron  stars
■690    ▼a0596
■690    ▼a0606
■690    ▼a0590
■690    ▼a0725
■71020▼aNorthwestern  University▼bPhysics  and  Astronomy.
■7730  ▼tDissertations  Abstracts  International▼g86-02B.
■790    ▼a0163
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17163414▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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