International Seminar and Workshop on Strong Correlations and Angle-Resolved Photoemission Spectroscopy, Дрезден (Германия), 10 апреля - 11 мая 2007
г.
Проводящие организации:
Max-Planck-Institut fur Physik komplexer Systeme
Сроки проведения: 10 апреля - 11 мая 2007 г.
Место проведения: Дрезден (Германия)
Сроки подачи заявок: 31.01.2007
Научная программа:
The CORPES07 workshop and seminar is situated at the crossing between many-body theory for correlated electrons and angle-resolved photoemission
spectroscopy (ARPES). The ARPES experiment, based on a detailed exploitation of the photoelectric effect in the immediate vicinity of the Fermi edge,
allows to measure the complex self-energy function of correlated electrons. Many-body theory in this non-perturbative regime can only progress in
close comparison to experimental data. One important objective is to understand the behaviour of quantum matter characterised by electronic
correlations so strong that the low-lying excitations can no longer be described in terms of quasi-particles.
The workshop will capture the instantaneous state of the art, two years after CORPES05 (see: http://www.mpipks-dresden.mpg.de/~corpes05). New topics on the experimental side include: photon sources from lasers (10 eV range) and
soft X-ray beam lines (1 keV range) combined with new high-resolution analysers, exploitation of photon and spin polarisation, photoemission from
nano-sized objects, quantum wells and vicinal surfaces, possibilities with the free electron laser (FEL) as outlook into the near future. New topics
on the theory side include: progress in solving polaronic problems, new routines for calculating the momentum dependence of the self-energy,
non-Fermi-liquid models beyond the Luttinger liquid, applicable in space dimension D>1. Progress on cuprates, cobaltates, manganates, etc., as well as
on 4f and 5f systems, will be reviewed.
The seminar will focus on current difficulties with the theoretical interpretation of ARPES data and the proposed solutions to overcome these
difficulties. Main topics are: Inclusion of correlation effects into one-step models, characterisation of the effect of electron-boson couplings on
the self-energy, connection between ARPES and other experiments, low-dimensional systems, revision of the sudden approximation in the regime of low
photon energies, revision of multi-photon processes. CORPES07 will also have an exploratory role in view of creating a CORPES network, focused on
developing software for ARPES data analysis.
Сайт конференции: http://www.mpipks-dresden.mpg.de/~corpes07/
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