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[Fizinfo] RMKI Szeminarium - M. Fleischhauer, 2011. július 14. 14.00 (csütörtök)

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  • From: Levai Peter <plevai AT>
  • To: fizinfo AT
  • Subject: [Fizinfo] RMKI Szeminarium - M. Fleischhauer, 2011. július 14. 14.00 (csütörtök)
  • Date: Mon, 11 Jul 2011 15:50:14 +0200 (CEST)
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  • List-id: ELFT HÍRADÓ <>


RMKI Szeminárium

Prof. Dr. Michael Fleischhauer
Kaiserslautern egyetem

"Heavy photons: from Dirac physics and anomalous localization
to strong interactions"

2011. július 14. (csütörtök), du. 2 óra
KFKI RMKI III. épület 2. emeleti Tanácsterem


Slow-light polaritons are quasi-particles generated
in the interaction of light with multi-level atoms driven
by an external laser close to a Raman resonance. Their
dispersion relation can be controlled to a large extend,
representing massive Schroedinger particles
on the one hand or multi-component objects with
a Dirac-like spectrum on the other. In the latter case
"relativistic" length and energy scales can be widely tuned,
making relativistic effects accessible in the lab.
Making use of the tunability of the mass the
delocalization transition of the random-mass Dirac model
with off-diagonal disorder can be experimentally observed.
In the second part of the talk the prospects to
create strong interactions between dark-state polaritons using Rydberg
atoms will be discussed. The dipole-dipole coupling between atoms in a
Rydberg state leads to a strong and long-range interaction between
polaritons, as well as to a blockade phenomenon. This interacion can give
rize to interesting many-body phenomena, such as two-particle
correlations which are much stronger than possible for pointlike
interacting particles, crystallization of photons or quantum Hall states.

Minden érdeklödöt szívesen látunk.
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  • [Fizinfo] RMKI Szeminarium - M. Fleischhauer, 2011. július 14. 14.00 (csütörtök), Levai Peter, 07/11/2011

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