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'Rydberg molecular systems: from antiprotonic helium to trilobites in a dense gas', por Jan Michael Rost

COLÓQUIO DO CBPF

'Rydberg molecular systems: from antiprotonic helium to trilobites in a dense gas', por Jan Michael Rost, dia 20/03 (terça), excepcionalmente às 11h, no CBPF

 

"Excepcionalmente, este colóquio não foi gravado, nem transmitido ao vivo pelo Canal do CBPF no YouTube, por preferência pessoal do autor."

 

Local: Auditório Ministro João Alberto Lins de Barros, no CBPF, à rua Dr. Xavier Sigaud 150, Urca, Rio de Janeiro (RJ).

Dia: 20 de março 2018 (terça-feira).

Horário: 11h (excepcionalmente)

Entrada gratuita, sem necessidade prévia de inscrição. Não servidores devem apresentar documento de identificação na portaria.

 

RESUMO

Highly excited ‘Rydberg’ systems play an important role for progress in theory, experiment, and more recently for potential applications in quantum computing. Rydberg systems connect ultracold physics, condensed and atomic/molecular physics and also non-linear (semi-)classical dynamics on the theoretical side.

In the talk I will illustrate this progress with exotic Rydberg systems from antiprotonic helium to ultralong-range Rydberg molecules with several thousand atomic units bond length. Immersed in their natural environment of an ultracold gas those molecules thrive through the presence of many randomly located gas atoms -- a surprising and counterintuitive result. It is rooted in a novel scarring phenomenon of excited quantum wave functions and the fact that a random gas contains clusters of atoms, a phenomenon more broadly known as ‘birthday paradox’.

 

 

Jan Michael Rost, Max Planck Institute

(Crédito: Max-Planck-Gesellschaft)

 

Jan Michael Rost

Max Planck Institute for the Physics of Complex Systems, Dresden

BREVE CV

Born on May 8, 1961 in Landshut (Germany). Study of physics and philosophy in Munich and Freiburg, obtaining his doctorate in 1990 and his German Habilitation in physics at the Freiburg University in 1995. Director and scientific member at the Max Planck Institute for the Physics of Complex Systems (since 1999) and Honorary Professor for theoretical quantum dynamics at the Technical University of Dresden (since 2000).

I am interested in the dynamics of finite systems. This includes a finite number of particles/degrees of freedom or system with a well-defined geometric boundary. We aim at uncovering and understanding generic effects and mechanisms in the extreme regimes of ultracold or ultrafast dynamics. Most explicitly studied systems originate in the field of atomic-molecular and optical physics.

 

Mais informações:

http://www.pks.mpg.de/finite-systems

 

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