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Academic Staff

Professor Nick E Mavromatos


Telephone: +44 020 7848 2168

Office: S7.21

Research Group: Theoretical Particle Physics & Cosmology

Office Hours


Astro-particle Physics; Quantum Gravity and Dirichlet-Brane Phenomenology; Strings and Conformal Field Theory; Yang-Mills Gauge Theory; Low-dimensional gauge field theories and Supersymmetry; interdisciplinary research between Condensed Matter and Particle Physics (Antiferromagnets and High-Tc Superconductors).


Publications Repository

Also, publications can be found here.

PhD Vacancies

Applications are invited for research in the Theoretical Particle Physics & Cosmology group.

To apply for the Physics MPhil/PhD please fill in an application form  Further details and guidelines can be found here.

All relevant information regarding eligibility, including academic and English language requirements, is available from the online prospectus.

Funding your PhD

We have several funded opportunities available. All eligible applications will be automatically considered for these award. There are a number of funding schemes available associated with different application deadlines and eligibility requirements. Please visit our 'Funding your PhD' webpage for further details.

For further details contact Professor Nikolaos Mavromatos and or the Postgraduate Tutor Dr Cedric Weber.

PhD Projects

The Dark Sector of the Universe: theory and astro-particle phenomenology

This is an extremely fashionable subject, in particular in light of modern approaches to particle physics, including string and brane phenomenological approaches to dark matter and dark energy, as well as theories with cosmic defects in the above framework giving our space-time a ``foamy'' structure. Such structures may affect the amount of dark matter and dark energy available in the Universe today,which could be different from the one calculated within the standard cosmological model. This, in turn, affects the constraints imposed by cosmology in collider searches for supersymmetric partners, which could be excellent candidates for dark matter. The projects offered, span a variety of areas ranging from pure theory (strings) to particle phenomenology at LHC and future colliders. For further details please contact Prof. Nick E. Mavromatos

CPT, Lorentz symmetry and Decoherence in quantum space-time: theory and phenomenology

pace-time may have a quite complicated structure at microscopic scales where quantum gravity effects are expected to set in (Planck scales).This in turn reflects on the possibility that CPT symmetry (where C is charge conjugation, P is parity (reflection) and T is time reversal)is broken by the ground state of certain quantum gravity models, entailing a space-time ``foam'' structure. In turn, since the quantum gravitational fluctuations of space time that entail such foamy structures may not be directly detectable by low energy scattering experiments, they constitute an ``environment'' of degrees of freedom that are responsible for carrying away part of the information carried by quantum states of particles. In such models, therefore, particle physics actions are part of the system, interacting with this environment, which in turn induces quantum decoherence for the particle states, and accrding to mathematical theorems, a perturbative (due to the weakness of gravity interactions) breakdown of CPT symmetry.Although due to the foamy structures Lorentz symmetry may be broken, this type of breaking of CPT symmetry is not expressed via the usual non-commutativity of the CPT operator with the Hamiltonian of the particle system. It is rather due to a perturbatively ill-defined quantum mechanical operator that generates the CPT symmetry (in particular the time reversal). This has unique signatures in modifying quantum entanglement of particles in meson factories. The projects offered range from theoretical ones, involving detailed analysis and estimates of the symmetry breaking effects (both Lorentz and CPT) in certain models of quantum gravity inspired from string theory (which is the most consistent theory of quantum gravity available todate) to phenomenological ones, pertaining to detailed searches of the effects in next-generation neutral meson phenomenology, in particular upgrades in neutral kaon and B-meson factories. Prof. Nick E. Mavromatos 




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