Statisztikus Fizikai Szemináriumok
Seminars in Statistical Physics

A szemináriumokat az Elméleti Fizikai Tanszék (1117 Budapest, Pázmány Péter sétány 1/A, azaz Északi tömb) keretében szervezzük. Az előadások ebben a félévben az É 2.54-es teremben (Novobátzky Károly terem) kerülnek megrendezésre. Szokásosan szerdán de. 11-kor kezdünk. Ha ettől eltérő időben vagy más teremben tartjuk az előadást, azt külön jelezzük. Az előadás címét általában annak nyelvén hirdetjük meg.


The seminars are held at the Institute for Theoretical Physics, Eötvös University (1117 Budapest, Pázmány Péter sétány 1/A, i.e. Northern Block near Petőfi bridge, western bridgehead). This semester the seminars are held in room É 2.54 (Novobátzky Károly Hall). Usually the seminar is on Wednesday 11 am. If we deviate from the standard times or location, there will be an extra warning. We announce generally the title of the lecture in the language the speaker will use.

ELTE TTK Északi Tömb 2.54

2018. december 12., szerda, 11:00

Emilio Hernandez-Garcia

IFISC (CSIC-UIB). Palma de Mallorca, Spain

Network-theory approach to geophysical fluid transport

Transport of water, air, heat, salt or pollutants are key processes in climatic dynamics or for marine ecosystems health. In this talk I will overview a set of techniques, which build on the so-called ‘set-oriented methods’ to describe fluid transport, leading to the construction of Lagrangian Flow Networks. In these networks, fluid transport is represented by directed links with strength quantifying the amount of flow among spatial locations. Powerful tools from network theory can then be applied to assess fluid mixing and stretching, compute dominant transport pathways, or to identify coherent structures in the flow. Applications to the surface circulation in the Mediterranean, with ecological implications, and to an atmospheric blocking event will be presented.

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ELTE TTK Északi Tömb 2.54

2018. december 12., szerda, 11:45

Cristóbal López

IFISC (CSIC-UIB). Palma de Mallorca, Spain

Active cluster crystals

We study the appearance and properties of cluster crystals (solids in which the unit cell is occupied by a cluster of particles) in a system of self-propelled Active Brownian particles with repulsive interactions. Self-propulsion deforms the clusters by depleting particle density inside, and for large speeds it melts the crystal. Continuous field descriptions at several levels of approximation allow to identify the relevant physical mechanisms.

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