IPM Calendar 
Tuesday 24 April 2018   Today  
Events for day: Wednesday 18 January 2017    
           13:30 - 15:00     Weekly Seminar
Physics of galaxy groups; knows and unknowns


I will review the current observational and theoretical understanding of galaxy groups, their halo, galaxies and hot gas. I will describe how this vibrant galaxy environment helps us to understand the living of galaxies. I will mention the areas in which we lack a sufficient understanding. ...

           14:00 - 15:00     Weekly Seminar
Effective deformation potentials of phosphorene: an ab-initio study


Effective deformation potentials of phosphorene: an ab-initio study

Electron-phonon interaction in single-layer phosphorene is studied from first principles based on the density functional theory, using finite displacement method. Scattering rates are numerically evaluated for carriers in the conduction and valence bands. A criterion for the selection of phonon wave-vector in scatterings is proposed. Scattering selection rules are studied, utilizing group theory for the structure with $D_{2 h}^7$ space group symmetry. Approximate analytical formulas for scattering rates, adopting the anisotropy intrinsic to phosphore ...

           15:00 - 16:00     Weekly Seminar
Study of a W-CeF3 Sampling Calorimeter Prototype


Following a discussion on high luminosity LHC environment and the need for different electromagnetic calorimeters, we will study the energy resolution and timing performance of a W-Cef3 sampling calorimeter with a wavelength-shifting fiber readout.