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Experimental observation of violent relaxation

dc.contributor.authorMaria Chiara Braidotti
dc.contributor.authorMartino Lovisetto
dc.contributor.authorRadivoje Prizia
dc.contributor.authorClaire Michel
dc.contributor.authorClamond Didier
dc.contributor.authorMatthieu Bellec
dc.contributor.authorEwan M. Wright
dc.contributor.authorBruno Marcos
dc.contributor.authorDaniele Faccio
dc.contributor.otherSchool of Physics & Astronomy, University of Glasgow
dc.contributor.otherLaboratoire J.-A. Dieudonné, Université Côte d’Azur, CNRS
dc.contributor.otherSchool of Physics & Astronomy, University of Glasgow
dc.contributor.otherInstitut de Physique de Nice, INPHYNI, Université Côte d’Azur, CNRS
dc.contributor.otherLaboratoire J.-A. Dieudonné, Université Côte d’Azur, CNRS
dc.contributor.otherInstitut de Physique de Nice, INPHYNI, Université Côte d’Azur, CNRS
dc.contributor.otherWyant College of Optical Sciences, University of Arizona
dc.contributor.otherLaboratoire J.-A. Dieudonné, Université Côte d’Azur, CNRS
dc.contributor.otherSchool of Physics & Astronomy, University of Glasgow
dc.date.accessioned2024-06-30T11:23:57Z
dc.date.accessioned2025-10-08T08:27:38Z
dc.date.available2025-10-08T08:27:38Z
dc.date.issued01-06-2024
dc.identifier.urihttp://digilib.fisipol.ugm.ac.id/repo/handle/15717717/35981
dc.description.abstractAbstract Structures in the Universe, ranging from globular clusters to entire galaxies, are not described by standard statistical mechanics at equilibrium. Instead, they are formed through a process of a very different nature, called violent relaxation that is now known to be possible also in other systems that exhibit long-range interactions. This mechanism was proposed theoretically and modelled numerically, but never directly observed in any physical system. Here, we develop a table-top experiment allowing us to directly observe violent relaxation in an optical setting. The resulting optical dynamics can also be likened to the formation of an analogue 2D-galaxy through the analogy of the underlying equations, where we can control a range of parameters, including the nonlocal interacting potential, allowing us to emulate the physics of gravitational quantum and classical dark matter models.
dc.language.isoEN
dc.publisherNature Portfolio
dc.subject.lccAstrophysics
dc.titleExperimental observation of violent relaxation
dc.typeArticle
dc.description.pages1-6
dc.description.doi10.1038/s42005-024-01684-9
dc.title.journalCommunications Physics
dc.identifier.e-issn2399-3650
dc.identifier.oai5e2d7f8b52e4467bb26ed0d04be59fae
dc.journal.infoVolume 7, Issue 1


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