In order to enable an iCal export link, your account needs to have an API key created. This key enables other applications to access data from within Indico even when you are neither using nor logged into the Indico system yourself with the link provided. Once created, you can manage your key at any time by going to 'My Profile' and looking under the tab entitled 'HTTP API'. Further information about HTTP API keys can be found in the Indico documentation.
Additionally to having an API key associated with your account, exporting private event information requires the usage of a persistent signature. This enables API URLs which do not expire after a few minutes so while the setting is active, anyone in possession of the link provided can access the information. Due to this, it is extremely important that you keep these links private and for your use only. If you think someone else may have acquired access to a link using this key in the future, you must immediately create a new key pair on the 'My Profile' page under the 'HTTP API' and update the iCalendar links afterwards.
Permanent link for public information only:
Permanent link for all public and protected information:
Wandering amongst Feynman Diagrams for strongly correlated fermions.
(University of Massachusetts)
Oskar Klein Auditorium ()
Oskar Klein Auditorium
Feynman diagrams is the most celebrated tool of theoretical physics. Nearly all key models in physics are subject to the diagrammatic technique but in the strongly correlated regime it is often considered useless/hopeless/divergent/(you curse it) and is reduced to just one(!) lowest-order skeleton graph. I will argue that diagrammatic expansions form a suitable representation for Monte Carlo simulations of interacting many-body systems with enormous and yet to be explored potential. The first application of the new Bold Diagrammatic Monte Carlo (BDMC) method which samples millions of fully dressed irreducible Feynman diagrams and extrapolates results to the infinite diagram order was to the unitary gas of ultra-cold fermions which have fundamental connections to high-Tc superconductivity, neutron matter, rich phase diagram, and polaron physics. We observe excellent agreement with highly accurate thermodynamic data from MIT for 6Li atoms everywhere in the normal phase. I will also discuss how BDMC works for the Fermi Hubbard model to obtain its superfluid ground state diagram.