Open Access Repositories: Recent submissions
Now showing items 201-220 of 4204
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Impact of dynamical charm quarks
(Proceedings of ScienceProceedings of Sciencehttps://pos.sissa.it/256/126/, 2017-01-17)We compute and compare the continuum limits of several quantities in QCD with and without a dynamical charm quark. We consider both low energy quantities, like the hadronic scales r0 and t 0 , and high energy quantities, ...
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Worldsheet methods for perturbative quantum field theory
(University of CambridgeDepartment of Applied Mathematics and Theoretical PhysicsTrinity College, 2015-10-01)This thesis is divided into two parts. The first part concerns the study of the ambitwistor string and the scattering equations, while the second concerns the interplay of the symmetries of the asymptotic null boundary of ...
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The Evolution of a Supermassive Retrograde Binary Embedded in an Accretion Disk
(Open Astronomy, 2015-01-01)
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Graviton time delay and a speed limit for small black holes in Einstein-Gauss-Bonnet theory
(Journal of High Energy Physics, 2015-11-17)
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Topics in Computing with Quantum Oracles and Higher-Dimensional Many-Body Systems
(University of CambridgeDepartment of Applied Mathematics and Theoretical PhysicsTrinity College, 2017-06-08)Since they were first envisioned, quantum computers have oft been portrayed as devices of limitless power, able to perform calculations in a mere instant that would take current computers years to determine. This is, of ...
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On vortex rings impacting a sharply-stratified interface
(University of CambridgeDepartment of Applied Mathematics and Theoretical PhysicsHughes Hall, 2017-06-14)This thesis presents an investigation into the dynamics of vortex rings impacting a sharply-stratified density interface. This problem has a long history and is important for understanding how individual eddies in stratified ...
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An experimental study of the spread of buoyant water into a rotating environment
(University of CambridgeDepartment of Applied Maths and Theoretical PhysicsQueens', 2017-05-01)This thesis examines previously unresolved issues regarding the fluid dynamics of the spread of buoyant water into a rotating environment. We focus in particular on the role that finite potential vorticity and background ...
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Preconditioned ADMM with nonlinear operator constraint
(2016-01-01)
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Violating the Weak Cosmic Censorship Conjecture in Four-Dimensional Anti-de Sitter Space.
(American Physical SocietyPhysical review letters, 2017-05-02)e consider time-dependent solutions of the Einstein-Maxwell equations using anti–de Sitter (AdS) boundary conditions, and provide the first counterexample to the weak cosmic censorship conjecture in four spacetime dimensions. ...
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Applications of Numerical Relativity Beyond Astrophysics
(Department of Applied Mathematics and Theoretical Physics, University of CambridgeUniversity of CambridgeDepartment of Applied Mathematics and Theoretical PhysicsEmmanuel College, 2017)Numerical relativity has proven to be a successful and robust tool for non-perturbative studies of gravitational phenomena in the highly dynamical and/or non-linear regime. Perhaps the most prominent achievement in the ...
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Source modelling at the dawn of gravitational-wave astronomy
(Department of Applied Mathematics and Theoretical Physics, University of CambridgeUniversity of CambridgeDepartment of Applied Mathematics and Theoretical PhysicsDarwin College, 2016-11-08)The age of gravitational-wave astronomy has begun. Gravitational waves are propagating spacetime perturbations ($\textit{“ripples in the fabric of space-time”}$) predicted by Einstein’s theory of General Relativity. These ...
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