Modern Perspectives on Symmetry in Quantum Fields and Strings- [electronic resource]
Modern Perspectives on Symmetry in Quantum Fields and Strings- [electronic resource]
- 자료유형
- 학위논문파일 국외
- 최종처리일시
- 20240214100129
- ISBN
- 9798379750961
- DDC
- 530.1
- 저자명
- Torres, Ethan.
- 서명/저자
- Modern Perspectives on Symmetry in Quantum Fields and Strings - [electronic resource]
- 발행사항
- [S.l.]: : University of Pennsylvania., 2023
- 발행사항
- Ann Arbor : : ProQuest Dissertations & Theses,, 2023
- 형태사항
- 1 online resource(521 p.)
- 주기사항
- Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
- 주기사항
- Advisor: Heckman, Jonathan J.
- 학위논문주기
- Thesis (Ph.D.)--University of Pennsylvania, 2023.
- 사용제한주기
- This item must not be sold to any third party vendors.
- 초록/해제
- 요약Quantum field theory (QFT) is currently recognized as a foundational framework in modern physics. It is used to characterize and analyze a wide range of physical scenarios in particles physics, condensed matter physics, cosmology, and has influenced many areas of pure mathematics. A common difficulty that arises in QFT analyses is when the interactions become strongly coupled. The physics can often be illuminated by understanding the symmetries and 't Hooft anomalies of the system since these are preserved under renormalization group flow. When the QFT is supersymmetric, another powerful technique is to embed the QFT inside of a string theory construction whereby the internal geometric details of the extra dimensions in string theory can translate into the strongly-coupled dynamics of the QFT.The work in this thesis lies at the intersection of these two powerful techniques. In Part I, we discuss several new geometric constructions of 4D and 3D QFTs from M-theory on G2 and Spin(7) spaces with and without T-branes. We also discuss the conditions by which a 3D N = 1 theory engineered from M-theory on our Spin(7) backgrounds preserve spatial reflections and compute their 't Hooft anomalies in a top-down fashion. In Part II, we introduce new techniques to extract the symmetries of various QFTs engineered from various string theory setups. Together, these works take into account both the charged operators and the topological symmetry operators in that these field theory objects are each given explicit string theory interpretations. Additionally, we utilize the conjectured absence of global symmetries in quantum gravities, to argue for a new, non-supersymmetric 7-brane in IIB string theory which we refer to as the R7 brane.
- 일반주제명
- Theoretical physics.
- 일반주제명
- Physics.
- 일반주제명
- Astronomy.
- 키워드
- Geometry
- 키워드
- Particle physics
- 키워드
- Quantum gravity
- 키워드
- String theory
- 기타저자
- University of Pennsylvania Physics and Astronomy
- 기본자료저록
- Dissertations Abstracts International. 84-12B.
- 기본자료저록
- Dissertation Abstract International
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.