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.
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Final PhD seminar
As the early universe expands and cools down, the Higgs field develops a vacuum-expectation-value—breaking the electroweak symmetry. This phase transition might explain the asymmetry between matter and antimatter. It might also generate detectable gravitational waves.
In particle physics we deduce properties of the phase transition by using perturbative methods. But these methods suffer from severe problems such as gauge dependence, infrared divergences, and a breakdown of perturbation theory.
We have developed robust perturbative techniques to deal with the phase transition, and argue that a consistent power-counting is crucial.
In this talk I will discuss how the Higgs mechanism is affected by quantum and thermal fluctuations. I will describe the issues of the perturbative expansion, and how to resolve them. I will also show some numerical calculations performed in the Standard Model.