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Development and Application of New Method and Platform for Correlated Oxides
Development and Application of New Method and Platform for Correlated Oxides
Detailed Information
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202103018
- ISBN
- 9798286436248
- DDC
- 530
- 저자명
- Jin, Zheting.
- 서명/저자
- Development and Application of New Method and Platform for Correlated Oxides
- 발행사항
- [Sl] : Yale University, 2025
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2025
- 형태사항
- 283 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 86-12, Section: B.
- 주기사항
- Advisor: Ismail-Beigi, Sohrab.
- 학위논문주기
- Thesis (Ph.D.)--Yale University, 2025.
- 초록/해제
- 요약Strongly correlated oxides, including high-temperature superconductors such as cuprates and nickelates, exhibit complex quantum phenomena that can challenge conventional electronic structure theories. This thesis develops and applies advanced computational methods to study these systems, aiming to provide a comprehensive first-principles description of their structural, spin, and electronic properties. First, a novel cluster slave-particle method is introduced to improve the treatment of electron correlations in extended Hubbard models, capturing strong correlation effects with high computational efficiency and benchmarking well against established many-body techniques. This method is then combined with density functional theory calculations and applied to cuprates, where we demonstrate how structural distortions significantly impact interlayer couplings, charge-transfer gaps, spin correlations, and therefore electron pairing. Next, interlayer coupling mechanisms in cuprates are systematically investigated, leading to analytical expressions for estimating hopping strengths and effective interlayer couplings based on crystal structure. These frameworks further enable us to assist our experimental collaborators in understanding the effects of Praseodymium doping in YBa2Cu3O7−x. Extending these insights to nickelates, the thesis explores the spin fluctuation effects in infinite-layer nickelates and estimates exchange interactions that drive unique magnetoresistive effects. By integrating many-body theory, first-principles calculations, and experimental data, this work advances the understanding of correlated electron systems and provides guidance for the design of new superconducting materials.
- 일반주제명
- Condensed matter physics
- 일반주제명
- Physics
- 일반주제명
- Quantum physics
- 일반주제명
- Particle physics
- 기타저자
- Yale University Applied Physics
- 기본자료저록
- Dissertations Abstracts International. 86-12B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■00520260202103018
■006m o d
■007cr#unu||||||||
■020 ▼a9798286436248
■035 ▼a(MiAaPQ)AAI31844165
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a530
■1001 ▼aJin, Zheting.
■24510▼aDevelopment and Application of New Method and Platform for Correlated Oxides
■260 ▼a[Sl]▼bYale University▼c2025
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2025
■300 ▼a283 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-12, Section: B.
■500 ▼aAdvisor: Ismail-Beigi, Sohrab.
■5021 ▼aThesis (Ph.D.)--Yale University, 2025.
■520 ▼aStrongly correlated oxides, including high-temperature superconductors such as cuprates and nickelates, exhibit complex quantum phenomena that can challenge conventional electronic structure theories. This thesis develops and applies advanced computational methods to study these systems, aiming to provide a comprehensive first-principles description of their structural, spin, and electronic properties. First, a novel cluster slave-particle method is introduced to improve the treatment of electron correlations in extended Hubbard models, capturing strong correlation effects with high computational efficiency and benchmarking well against established many-body techniques. This method is then combined with density functional theory calculations and applied to cuprates, where we demonstrate how structural distortions significantly impact interlayer couplings, charge-transfer gaps, spin correlations, and therefore electron pairing. Next, interlayer coupling mechanisms in cuprates are systematically investigated, leading to analytical expressions for estimating hopping strengths and effective interlayer couplings based on crystal structure. These frameworks further enable us to assist our experimental collaborators in understanding the effects of Praseodymium doping in YBa2Cu3O7−x. Extending these insights to nickelates, the thesis explores the spin fluctuation effects in infinite-layer nickelates and estimates exchange interactions that drive unique magnetoresistive effects. By integrating many-body theory, first-principles calculations, and experimental data, this work advances the understanding of correlated electron systems and provides guidance for the design of new superconducting materials.
■590 ▼aSchool code: 0265.
■650 4▼aCondensed matter physics
■650 4▼aPhysics
■650 4▼aQuantum physics
■650 4▼aParticle physics
■653 ▼aDensity functional theory
■653 ▼aHigh-temperature superconductors
■653 ▼aQuantum phenomena
■653 ▼aSlave-particle method
■653 ▼aSpin fluctuations
■653 ▼aStrongly correlated oxides
■690 ▼a0611
■690 ▼a0599
■690 ▼a0798
■690 ▼a0605
■71020▼aYale University▼bApplied Physics.
■7730 ▼tDissertations Abstracts International▼g86-12B.
■790 ▼a0265
■791 ▼aPh.D.
■792 ▼a2025
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17356694▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
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