Fluidization induced by magnetic interactions in confined active matter Musacchio, Marco Felber, Markus Paoluzzi, Matteo Gnoli, Andrea Puglisi, Andrea Angelani, Luca ddc:530 We investigate magnetic active matter in confined geometries using both experiments with magnetic toy robots, Hexbugs, and simulations of elongated magnetic active Brownian particles in circular domains. Standard active particles tend to accumulate at boundaries, forming clusters even at relatively low densities. In the presence of magnetic interactions, we provide evidence for a effect that inhibits clustering and shifts its onset to higher packing fractions. Moreover, magnetic dipolar interactions give rise to collective behaviors such as train-like formations, rotating pairs, and rotating clusters. American Physical Society 2026 info:eu-repo/semantics/article doc-type:article text http://purl.org/coar/resource_type/c_2df8fbb1 https://research-explorer.ista.ac.at/record/22307 https://research-explorer.ista.ac.at/download/22307/22332 Musacchio M, Felber M, Paoluzzi M, Gnoli A, Puglisi A, Angelani L. Fluidization induced by magnetic interactions in confined active matter. <i>Physical Review E</i>. 2026;113(5). doi:<a href="https://doi.org/10.1103/hylm-ljlf">10.1103/hylm-ljlf</a> eng info:eu-repo/semantics/altIdentifier/doi/10.1103/hylm-ljlf info:eu-repo/semantics/altIdentifier/issn/2470-0045 info:eu-repo/semantics/altIdentifier/e-issn/2470-0053 info:eu-repo/semantics/altIdentifier/arxiv/2511.21472 info:eu-repo/semantics/openAccess