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Truncated dynamics, ring molecules, and mechanical time crystals
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). Uppsala University, Sweden; Beijing Institute of Technology, China; Far Eastern Federal University, Russia.
Stockholm University, Faculty of Science, Department of Physics. MIT, USA; Shanghai Jiao Tong University, China; Arizona State University, USA.
Number of Authors: 42019 (English)In: Physical Review A: covering atomic, molecular, and optical physics and quantum information, ISSN 2469-9926, E-ISSN 2469-9934, Vol. 99, no 2, article id 023425Article in journal (Refereed) Published
Abstract [en]

We identify circumstances where the effective descriptions of microscopic physical systems leads to a self-consistent reduced dynamics for a truncated subset of the original variables. The effective Hamiltonian involves unusual Poisson brackets that bring in noncommutative geometry. In idealized models of ring molecules, we find time crystal behavior is widespread.

Place, publisher, year, edition, pages
2019. Vol. 99, no 2, article id 023425
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Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-167668DOI: 10.1103/PhysRevA.99.023425ISI: 000459900400014OAI: oai:DiVA.org:su-167668DiVA, id: diva2:1302180
Available from: 2019-04-03 Created: 2019-04-03 Last updated: 2019-04-03Bibliographically approved

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Dai, JinNiemi, Antti J.Wilczek, Frank
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