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** "Geometric phases
and the separation of the world"****
**

Date: |
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Thursday, 25. April 2019 |
Video-Recording for any system with MP4-support
- Video.mp4 (ca.455 Mb) |
15:15 – 16:25 |

Sir Michael Berry

** **(H H Wills Physics Laboratory, University of Bristol, UK)

Abstract :

The waves that
describe systems in quantum physics can carry information

about how their
environment has been altered, for example by forces acting on

them. This effect
is the geometric phase. It also occurs in the optics of polarised

light, where it
goes back to the 1830s. The underlying mathematics is

geometric: the
phenomenon of parallel transport, which also explains how

falling cats land
on their feet, and why parking a car in a narrow space is

difficult.
Incorporating the back-reaction of the geometric phase on the

dynamics of the
changing environment exposes the unsolved problem of how

strictly a system
can be separated from a slowly-varying environment, and

involves
different mathematics: divergent infinite series.

The Lise Meitner
Dinsguished lecture is supported by the Royal Swedish

Academy of
Sciences through its Nobel Committee for Physics.

Michael Berry is
a renowned physicist and the recipient of the following

prizes and
awards:

Maxwell Medal and
Prize, Institute of Physics, 1978

Elected Fellow of
the Royal Society of London, 1982

Elected Fellow of
the Royal Society of Arts, 1983

Elected Fellow of
the Royal Institution, 1983

Elected Member of
the Royal Society of Sciences in Uppsala, Sweden, 1986

Bakerian
Lecturer, Royal Society, 1987

Elected member of
the European Academy, 1989

Dirac Medal and
Prize, Institute of Physics, 1990

Lilienfeld Prize,
American Physical Society, 1990

Royal Medal,
Royal Society, 1990

Naylor Prize and
Lectureship in Applied Mathematics, London Mathematical Society, 1992

Foreign Member:
US National Academy of Science, 1995

Dirac Medal,
International Centre for Theoretical Physics, 1996

Kapitsa Medal,
Russian Academy of Sciences, 1997

Wolf Prize for
Physics, Wolf Foundation, Israel, 1998

Honorary Fellow
of the Institute of Physics, 1999

Forder
Lectureship, London Mathematical Society, 1999[10]

Foreign Member:
Royal Netherlands Academy of Arts and Sciences, 2000

Ig Nobel Prize
for Physics, 2000 (shared with Andre Geim for "The Physics of Flying
Frogs")

Onsager Medal,
Norwegian Technical University, 2001

Gibbs Lecturer,
American Mathematical Society, 2002[11]

1st and 3rd prizes,
Visions of Science, Novartis/Daily Telegraph, 2002

Elected to Royal
Society of Edinburgh, 2005

Pólya Prize,
London Mathematical Society, 2005

Doctor of
Science, honoris causa, University of Glasgow, 2007

Doctor of
Science, honoris causa, Russian-Armenian (Slavonic) University in Yerevan, 2012

Lorentz Medal,
2015

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