Thesis
Unification and development of quantum field theory methods in many-particle physics
- Abstract:
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The quantum theory of many-particle systems is deeply connected to the mathematical formalism and techniques of quantum field theory, which are crucial in order describe the emergent phenomena that arise in condensed matter physics. The main goal of this thesis is to provide a unified description of quantum field theory methods in the context of many-particle physics in order to extend and develop these techniques to better understand the different quantum properties of matter. This both furt...
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(Preview, Dissemination version, pdf, 2.6MB, Terms of use)
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Authors
Contributors
+ Filip, M
- Institution:
- University of Oxford
- Division:
- MPLS
- Department:
- Physics
- Role:
- Supervisor
+ Tew, D
- Institution:
- University of Oxford
- Division:
- MPLS
- Department:
- Chemistry
- Role:
- Supervisor
- ORCID:
- 0000-0002-3220-4177
- DOI:
- Type of award:
- DPhil
- Level of award:
- Doctoral
- Awarding institution:
- University of Oxford
- Language:
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English
- Deposit date:
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2026-07-30
- ARK identifier:
Terms of use
- Copyright holder:
- Christopher J. N. Coveney
- Copyright date:
- 2026
- Notes:
- Uncovering Relationships between the Electronic Self-Energy and Coupled-Cluster Doubles Theory, Phonon screening and dissociation of excitons at finite temperatures from first principles, and Rearrangement collision theory of phonon-driven exciton dissociation are derived from this thesis.
- Licence:
- CC Attribution (CC BY)
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