Fyzikální ústav Akademie věd ČR

Seminars

Kvantové Monte Carlo simulace elektronové struktury pevných látek

Tuesday, 04.02.2014 10:00 - 11:00

Jindřich Kolorenč (Oddělení teorie kondenzovaných látek, Fyzikální Ústav AV ČR, v.v.i.)

Na semináři budou popsány základní principy takzvané difuzní Monte Carlo metody, která umožňuje určovat vlastnosti základního stavu kvantových mnohočásticových systémù s velmi vysokou přesností. Jak název metody napovídá, transformace kvantové úlohy do podoby klasického stochastického procesu simulovatelného počítačem je postavena na podobnosti Schrödingerovy a difuzní rovnice. Difuzní Monte Carlo metoda nachází uplatnění při studiu elektronové struktury široké škály systémů, od konečných (atomů a molekul) až po rozlehlé (pevné látky).

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Quasiparticle spectrum of superconductor-normal metal heterojunctions

Thursday, 06.02.2014 10:00

Balazs Ujfalussy (Department of Theoretical Solid State Physics, Wigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest)

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ATLAS experiment data processing at the Goliáš computer farm

Thursday, 06.02.2014 14:00

Jiří Chudoba, Oldřich Kepka (Institute of Physics, AS CR)

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Silicon nanocrystals, photonic structures and optical gain

Thursday, 06.02.2014 15:00 - 15:30

Lukáš Ondič (Department of Thin Films and Nanostructures, Institute of Physics, CAS)

In this talk, which is a public rehearsal of my PhD defense, I will present the main results of my doctoral work. First, I will discuss the origin of a fast blue-green luminescence band in silicon nanocrystals which was investigated by means of time-resolved spectroscopy at low helium temperatures. Second, I will give a brief introduction to the phenomenon of light extraction employing leaky modes of photonic crystals.

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Past seminars
Fumitaka Ohashi Clathrates with group IV materials: novel photo-absorption materials for solar cells 28.03.2013 15:00
Xavier Marti Antiferromagnetic semiconductor spintronics 27.03.2013 10:00
Prof. Laurent Baulieu Minimizing gauge-functional for 2-d gravity and string theory 14.03.2013 15:00
Takatoshi Yamada Microscopic C-AFM/KPFM/Raman characterization of thermal and plasma CVD graphene 11.03.2013 15:30
Nava Setter Ferroelectric nano-wires 07.03.2013 15:00
Hiroki Tsuchiura Coercivity mechanism of Nd-Fe-B sintered magnets 07.03.2013 14:00
Takeshi Tayagaki Toward highly efficient Si solar cells using Ge/Si heterostructures 01.03.2013 13:00
Kirill Svit, PhD. student Formation and tunneling spectroscopy of CdS QDs obtained by Langmuir-Blodgett method 01.03.2013 10:00
Maurits W. Haverkort Theory of novel spectroscopic techniques: Probing spin, charge and orbital physics 28.02.2013 15:00
Prof. Chang Hee Nam Ultrafast and relativistic laser science research 28.02.2013 10:00
Marian Varga Diamond in Nanotechnology 14.02.2013 10:00
Tomáš Jungwirth Optical spin-transfer and spin-orbit torques 13.02.2013 15:00
Veronica Goian a Stanislav Kamba Hybrid improper-ferroelectric phase transition in Ca3Mn2O7; News from Ferro 2013 in Ames, USA 05.02.2013 10:00
Steven M. Kahn The Large Synoptic Survey Telescope 04.02.2013 17:00
Pavel Řezníček Selected B-physics analyses in the ATLAS experiment 31.01.2013 14:00
Hector Vazquez Theoretical results in Single Molecule Transport 29.01.2013 15:00
Jiří Klimeš Van der Waals forces in density functional theory 22.01.2013 15:00
Christelle Kadlec Metamaterials in the THz range 22.01.2013 10:00
Petr Trávníček Activities of the Institute of Physics in the Pierre Auger Observatory programme and other astroparticle physics projects 17.01.2013 14:00
Simone Babuin Quantum turbulence in flows of superfluid 4He 15.01.2013 15:00
Jiří Dohnal La Isla del Coco, or, Sharks are our friends 20.12.2012 15:00
Prof. Jacques Ferré First and Second Order Magneto-Optical Effects in Magnetic Bulk Materials or Ultrathin Films 10.12.2012 14:00
Jeevaka Weerasinghe Terahertz Dielectric properties of (Ba,Sr)TiO3 systems from First principles 04.12.2012 10:00
Karel Král Electron-phonon interaction in the photoluminescence of quasi-zero dimensional nanostructures 27.11.2012 15:00
Pavel Novák Calculation of crystal field parameters 15.11.2012 14:00
Martin Nikl R&D of inorganic scintillation materials in the Institute of Physics ASCR 14.11.2012 15:00
Pierre-Eymeric Janolin The twist and turns in perovskites 08.11.2012 10:00
Ilja Turek Ab initio theory of magnetic anisotropies in random tetragonal Fe-Co alloys 06.11.2012 15:00
prof. Toshiya Sakata In vitro biosensing with semiconductor-based platform 06.11.2012 10:00
Jaroslav Trnka Scattering Amplitudes and the Positive Grassmannian 05.11.2012 15:00

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