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Aharonov-Bohm Effect and Berry Phase Anniversary 50/25 2009
14 - 15 December 2009
University of Bristol, UK

This two-day meeting celebrates Anniversary milestones of two major fundamental aspects of quantum mechanics: 50 years since the publication of the paper on the Aharonov-Bohm effect, and 25 years since the related discovery of the geometric, or Berry phase. The meeting will take place in the Physics Department of the University of Bristol, the institution where both effects were discovered, and the Aharonov-Bohm effect first verified experimentally by Bob Chambers. For more details and how to book see here.




Bristol has a very strong tradition in theoretical physics. J E Lennard-Jones was the first Professor of Theoretical Physics in the UK, appointed in 1925. In 1933, the chair was occupied by the 27 year old N F Mott, who showed, together with H Jones, that quantum mechanics could help unravel the properties of metals and alloys. This work led to the award to Mott of a share of the 1978 Nobel Prize for Physics. In 1946, Mott attracted F C Frank to Bristol. During his 50 year association with the department, Frank made many discoveries, particularly in the theory of crystal growth and of liquid crystals.

In 1959, Y Aharonov and D Bohm discovered the effect named after them which describes the nonlocal quantum effect of electromagnetic fields. A related quantum effect, discovered here in 1983 by M V Berry is the geometric, or Berry phase. Other notable Bristol theorists include H Fröhlich, B L Gyorffy, J F Nye, M H L Pryce, and J M Ziman.

These pages outline the diverse research carried out by the present members of the theory group, as well as providing information about PhD study and our seminar series.

General enquiries should be addressed to the group administrator, Tracie Anderson.

You can learn more about the history of the group on the dedicated pages of the Physics Department.

Picture: Ramdon Phases

Starburst Geometrical Aspects of Waves and Physical Asymptotics

Topics include: polarisation and phase singularities in waves; topological interpretation of diffraction theory; catastrophe optics; quantum chaology.

Professor J H Hannay and Dr M R Dennis and Emeritus Professor Michael Berry

Picture: Alice and Bob

Starburst Quantum Information

Fundamental aspects of quantum physics, quantum nonlocality, quantum information and computation. Work ranging from very fundamental, to designing practical experiments (such as the first teleportation experiment) to patentable commercial applications.

Professor S Popescu and Dr J Barrett

Picture: Spinel

Starburst Quantum Matter

Theory of strongly correlated quantum many-body systems, including unconventional superconductors, ferromagnet-superconductor nanostructures, non-Fermi liquids and highly frustrated magnets

Professor J F Annett, Dr N Shannon and Emeritus Professor B L Gyorffy

Picture of Research

Starburst Statistical, Liquid State and Soft Matter Physics

Theories of liquid structure and phase transitions in bulk and at interfaces ; confined fluids; simple models for complex fluids especially colloidal systems; density functional theory in many-body physics.

Professor R Evans