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X-WR-CALNAME:UNAM Nanoteknoloji Araştırma Merkezi
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X-WR-CALDESC:Events for UNAM Nanoteknoloji Araştırma Merkezi
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TZID:Europe/Moscow
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TZOFFSETFROM:+0300
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DTSTART:20240101T000000
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DTSTART;TZID=Europe/Moscow:20241127T110000
DTEND;TZID=Europe/Moscow:20241127T123000
DTSTAMP:20260906T085308
CREATED:20241125T064746Z
LAST-MODIFIED:20241125T064746Z
UID:9164-1732705200-1732710600@unam.bilkent.edu.tr
SUMMARY:Stochastic Resetting of Diffusive Particles: From Single-Particle Dynamics to Many-Body Phenomena
DESCRIPTION:Gregory Schehr\nSorbonne University \n\nStochastic processes under resetting have garnered increasing attention in recent years. One of the simplest examples involves a diffusive particle whose position is randomly reset to a fixed point\, such as its initial position\, at a constant rate r. Even this basic system reveals fascinating phenomena: (i) the system reaches a nontrivial nonequilibrium stationary state\, and (ii) the mean time for the particle to reach a target becomes finite\, with an optimal resetting rate r that minimizes the search time. \nAfter introducing these intriguing features\, I will extend the discussion to a one-dimensional gas of N independent Brownian particles\, all of which are reset simultaneously to the origin at a constant rate r. Despite the absence of direct interactions between the particles\, I will demonstrate that strong correlations emerge in the stationary state at long times\, purely driven by the dynamics of resetting itself. \n  \nAbout speaker\nI earned my PhD in Theoretical Physics from École Normale Supérieure in 2003\, followed by a postdoc at the University of Saarland\, Germany. In 2006\, I joined CNRS and became a Research Director at Sorbonne Université in 2019. Since 2023\, I have also been a Professeur Chargé de Cours at École Polytechnique. My research focuses on statistical mechanics\, including non-equilibrium dynamics\, random matrices\, disordered systems or extreme value statistics. I received the CNRS Bronze Medal in 2010 and the Aniuta Winter-Klein Prize from the Academy of Sciences in 2022. \n  \n \n  \n\n  \n 
URL:https://unam.bilkent.edu.tr/en/event/stochastic-resetting-of-diffusive-particles-from-single-particle-dynamics-to-many-body-phenomena/
CATEGORIES:Nanocolloquium Series
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