[Todos] Coloquios DF: PETER ZOLLER - Jueves 29/11, 14hs, Aula Seminario y ALAIN ASPECT - Viernes 30/11, 14hs, Aula 3

[pdmitruk en df.uba.ar]

La semana proxima tendremos dos coloquios, el tradicional de los jueves y
uno especial el viernes,

  COLOQUIOS DEL DEPARTAMENTO DE FÍSICA FCEYN - UBA

http://www.df.uba.ar

            Charlas, café y masitas

  ==============================================================

            En el Aula Seminario, 2do piso, Pab. I, 

            Jueves 29/11, 14hs:

  New Frontiers in Quantum Simulation: QED and QCD with Cold Atoms and Ions

            PETER ZOLLER

            Institute for Theoretical Physics, University of Innsbruck

  Recently, the condensed matter and atomic physics communities have
mutually
  benefited from synergies emerging from the quantum simulation of strongly
  correlated systems using atomic setups. While there is presently
  significant interest in artificial gauge fields mimicking magnetic fields
  in (neutral) atom setups to observe phenomena like fractional quantum
Hall
  physics, we will discuss prospects of realizing simple models of
dynamical
  gauge fields (lattice gauge theories) as a next generation of possible
cold
  atom experiments, where the (very) long term goal is to develop atomic
  quantum simulators for QED and QCD.

  =================================================================

       En el Aula 3, 1er piso, Pab. I

            Viernes 30/11, 14hs, 

            From Einstein's intuition to quantum bits: a new quantum age
   
            ALAIN ASPECT

            Laboratoire Charles Fabry, Institute d'Optique, CNRS, France
           
     
  In 1935, with co-authors Podolsky and Rosen, Einstein discovered an
amazing
  quantum situation, where particles in a pair are so strongly correlated
  that Schrödinger called them "entangled". By analysing that situation,
  Einstein concluded that the quantum formalism was incomplete. Niels Bohr
  immediately opposed that conclusion, and the debate lasted until the
death
  of these two giants of physics, in the 1950's.
  In 1964, John Bell produced his famous inequalities, which allowed
  experimentalists to settle the debate, and to show that the revolutionary
  concept of entanglement is indeed a reality.
  Based on that concept, a new field of research has emerged, quantum
  information, where one uses quantum bits, the so-called "qubits". In
  contrast to classical bits which are either in state 0 or state 1, qubits
  can be simultaneously in state 0 and state 1, as a Schrödinger cat could
be
  simultaneously dead and alive.
  Entanglement between qubits enables conceptually new methods for
processing
  and transmitting information. Large scale practical implementation of
such
  concepts might revolutionize our society, as did the laser, the
transistor
  and integrated circuits, some of the most striking fruits of the first
  quantum revolution, which began with the 20th century.
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