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Weekly Seminars for January 2014 Print E-mail
Thursday January 15, 2014 - 11,00 am
Sala Direzione INFN (Physics Dept., Old Building - 2nd Floor)
 
  ICRA Seminar
 
Speaker: Prof. Giorgio FERRARESE

Institution: Dipartimento di Matematica, Sapienza Università di Roma

Title: Sulla teoria unitaria di Einstein: struttura e contenuto fisico.  

Abstract:  
Viene presentata la formulazione canonica della T.U.E., con le implicazioni fisiche ai fini dell'evoluzione dell'Universo. 

N.B. - In the following link, you can find the non official announcement on the Physics Department website:
https://agenda.infn.it/conferenceOtherViews.py?fr=no&showSession=all&detailLevel=contribution&confId=7339&view=lecture&showDate=all
 
**************************************************
La Segreteria ICRA
c/o Dipartimento di Fisica
Sapienza Università di Roma
P.le A. Moro, 5
I - 00185 ROMA, Italy
tel.: +39 06 4991 4 254
fax: +39 06 4454992
email:
segreteria@icra.it  
 
 
Tuesday January 28, 2014 - 4,00 pm
Aula Conversi (Physics Dept., Old Building - 1st Floor)
 
  General Seminar of the Department of Physics
 
Speaker: Dr. Tom Gaisser

Institution: Department of Physics and Astronomy, University of Delaware - USA

Title: IceCube and the discovery of high energy neutrinos from extraterrestrial sources.  

Abstract:  
IceCube is a kilometer scale detector at the South Pole consisting of 5400 optical sensors that detect cosmic rays and neutrinos. The main array is shielded by 1.5 km of ice so that it can identify and reconstruct events generated by neutrinos, which are relatively rare compared to the background of atmospheric muons and neutrinos.  IceCube recently discovered the first evidence for neutrinos of high energy from extraterrestrial sources. In this talk I will describe the data and explain the significance of such a discovery. I will also describe how IceCube measures the spectrum of cosmic-ray particles and their relation to the neutrinos. 

N.B. - In the following link, you can find the official announcement on the Physics Department website: http://www.phys.uniroma1.it/fisica/sites/default/files/bollettini/bollettino27-01-2014.pdf
 
**************************************************
La Segreteria ICRA
c/o Dipartimento di Fisica
Sapienza Università di Roma
P.le A. Moro, 5
I - 00185 ROMA, Italy
tel.: +39 06 4991 4 254
fax: +39 06 4454992
email:
segreteria@icra.it   

 
 
Wednesday January 29, 2014 - 3,00 pm
Aula Conversi (Physics Dept., Old Building - 1st Floor)
 
  ICRA Seminar
 
Speaker: Prof. Claus KIEFER

Institution: University of Cologne, Germany

Title: On the Avoidance of Classical Singularities in Quantum Cosmology.  

Abstract:  
It is often claimed that a consistent theory of quantum gravity should avoid the singularities prediced by classical general relativity. While a general answer is not yet known, the fate of singularities can be investigated within simple models. In my talk, I shall discuss the quantum avoidance of classical singularities in quantum cosmology. I shall, in particular, address models where classically a singularity develops for large scale factors, such as a Big Rip or a Big Brake, and for which a quantum version without singularities exists. The discussion is performed within quantum geometrodynamics, that is, the Wheeler-DeWitt equation, but remarks are also made concerning the corresponding situation in loop quantum cosmology. 

N.B. - In the following link, you can find the non official announcement on the Physics Department website:
https://agenda.infn.it/conferenceOtherViews.py?fr=no&showSession=all&detailLevel=contribution&confId=7386&view=lecture&showDate=all
 
**************************************************
La Segreteria ICRA
c/o Dipartimento di Fisica
Sapienza Università di Roma
P.le A. Moro, 5
I - 00185 ROMA, Italy
tel.: +39 06 4991 4 254
fax: +39 06 4454992
email:
segreteria@icra.it

 
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