[CvGmt News] Avviso Colloqui della Classe di Scienze Prof. Bruno Coppi (17.10.2012)

[Valeria Giuliani]

Colloqui Classe di Scienze


    Mercoledì 17 ottobre 2012

ore 15.00

_Scuola Normale Superiore_

Pisa

(Aula Mancini)

*__*

*Bruno Coppi__*

/M.I.T., USA/

//

Terrà un seminario dal titolo:

*/"/**Complexity in the Universe and Down to Earth/"/*

*/Abstract:/**//*

/The access to Space both with observational instruments (e.g. optical,X 
and //?//rays) and in situ measurements e.g. over distances of the order 
of the size of the Heliosphere  (about  100 astronomical  units)  
together  with  the  development  of  new relevant technologies have 
given us new perspectives on the limitations of what we can explain of 
the Universe in view of all the novel phenomena discovered.  In 
particular, most of our efforts have been devoted to a reductionistic 
approach in our earthbound investigations of physical phenomena leaving 
us relatively unprepared to deal with the macroscopic complexity of the 
Universe. Objects such as jets with extreme collimations and lengths, 
black holes manifesting themselves with a variety of effects and 
radiation emissions,  gamma ray  bursts,  etc.  are  relevant 
examples. The  least sophisticated plasma theory to deal with these 
phenomena requires dealing with a 7-dimensions space analysis. Only 
relatively modest advances have been made in its application to 
astrophysics. /

/Self-organization processes have been identified in magnetically 
confined laboratory plasmas, the most notable being the "profile 
consistency" of the electron temperature. These processes have to play 
an important role in astrophysical objects such as accretion structures 
around black holes and are in need of a theoretical effort commensurate 
with their importance. Far less elementary complexities to be dealt with 
on Earth are associated with societal issues such as the interaction of 
the energy needs with those of climate and economics.   In this context, 
the lack of a scientifically well founded and adequate effort to develop 
novel sources of nuclear energy and fusion burners in particular, 
considering that the science involved is strongly coupled to 
astrophysics, is discussed.**/

*//*


-- 
Valeria Giuliani
Scuola Normale Superiore
Area Didattica
Servizio Supporto attivita Didattiche
tel.050509260
Fax.050509045
v.giuliani at sns.it
adi.sd at sns.it

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