HIP NEWS March 13th 2017
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ACADEMY PROFESSOR MARKKU KULMALA NEW ACADEMICIAN OF SCIENCE
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Academy professor Markku Kulmala has been awarded the honorary title of Academician of Science. Among his numerous achievements and duties professor Kulmala leads the CLOUD project at HIP.
HIP congratulates professor Kulmala and two other new Academicians: Academy professor Eva-Mari Aro and professor emeritus Ilkka Niiniluoto.
http://www.aka.fi/en/about-us/media/press-releases/2017/title-of-academician-of-science-granted-to-eva-mari-aro-markku-kulmala-and-ilkka-niiniluoto/
DEPARTMENT OF PHYSICS / HIP JOINT COLLOQUIA / SEMINARS
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Tuesday 14 March 2017 at 10.15 in A315
Najmul Haque (Giessen)
Resummed QCD thermodynamics at finite temperature and chemical potential
Abstract: The thermodynamics of QCD at finite temperature and density is of great interest for the heavy ion collision experiments. In this talk I will discuss about the various thermodynamic quantities calculated within Hard thermal Loop approximation at finite temperature and finite chemical potential. I will also discuss about the possible extensions of the current results to make it more reliable in heavy-ion collision experiments.
COSMO-Seminar
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Wednesday 15 March 2017 at 14.15 in A315
Jose Beltrán (CPT Marseille)
Dusty inflation in Born-Infeldized gravity.
Abstract: In order to regularize the energy of point-like charged particles, Born and Infeld introduced a modification of the Maxwell Lagrangian that naturally imposes an upper bound on electromagnetic fields. Similar ideas can be applied to gravity to resolve the GR singularities. I will discuss a class of theories based on this scheme and present a scenario where inflation can be supported by a dust component within the context of these theories.
DEPARTMENT OF PHYSICS / HIP JOINT COLLOQUIA / SEMINARS
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Thursday 16 March 2017 at 10.15 in A315
Risto Paatelainen (Jyväskylä)
Towards higher order accuracy in LCPT
Abstract: Hamiltonian perturbation theory in the light cone form (LCPT) has become a standard tool in understanding hadronic scattering processes within a first principles QCD approach. The calculational inconvenience of LCPT compared to standard covariant perturbation theory is balanced by several features that make its physical interpretation more transparent. Due to the more complicated mathematical structure resulting from the breaking of explicit rotational symmetry, LCPT has never been the formulation of choice for higher order loop calculations. More recently, however, calculations of small-x dilute-dense scattering processes in the Color Glass Condensate (CGC) picture have been approaching the NLO level, for example in the small-x evolution equation and inclusive deep inelastic scattering cross sections. In this talk I will discuss our latest work (T. Lappi, R. Paatelainen arXiv:1611.00497), in which we formulate the LCPT rules in helicity space, independently of the spinor representation. This presents a major technological improvement for loop calculations by replacing the Dirac algebra by simple helicity sums. I also demonstrate how to apply this framework to other LCPT calculations.
New bilateral funding program for scientific cooperation between France and Finland
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the Institut Français in Helsinki, the Embassy of France in Finland and the French Ministry of Education, Higher Education and Research have partnered with the Finnish Society for Science and Letters and the Finnish Academy for Science and Letters in Finland to launch a new seed funding program to initiate and strengthen bilateral cooperation in science, innovation and higher education in fields of excellence.
Application deadline: March, 31st 2017
More information and applications here: http://www.france.fi/uncategorized/events/science-and-universities/new-bilateral-funding-program-for-scientific-cooperation-between-france-and-finland/?lang=en
Experiencing Finland Event
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Aalto University and University of Helsinki invite the newly arrived international staff and their family members to the next Experiencing Finland event. The event is an opportunity to get some practical hints about forthcoming spring and summer, Finnish people and Finland.
More information: https://flamma.helsinki.fi/fi/HY362037
Visitors
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J. Beltran 14.3. – 16.3. (FM)
P. Dendooven 7.2. – 7.4.
N. Haquel 13.3. – 15.3. (AV)
B. Oblak 19.3. – 26.3. (NJ)
R. Paatelainen 15.3. – 17.3. (AV)
T. Tram 27.3. – 30.3. (FM)
Y. Zhu 21.3. – 25.3. (AV)