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Ultrafast nonequilibrium dynamics of rotons in superfluid helium
Short-time dynamics of superfluids far from equilibrium remains largely unknown, despite its importance for key processes in these systems. Here, we describe a method for locally perturbing the density of superfluid helium via the excitation of roton pairs with ultrashort laser pulses. By measuring...
Autores principales: | Milner, Alexander A., Stamp, Philip C. E., Milner, Valery |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
National Academy of Sciences
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10151456/ https://www.ncbi.nlm.nih.gov/pubmed/37071681 http://dx.doi.org/10.1073/pnas.2303231120 |
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