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Revealing non-equilibrium and relaxation in laser heated matter
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SYSNO ASEP 0585182 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Revealing non-equilibrium and relaxation in laser heated matter Author(s) Vorberger, J. (DE)
Preston, T.R. (DE)
Medvedev, Nikita (FZU-D) ORCID, RID
Boehme, M.P. (DE)
Moldabekov, Z.A. (DE)
Kraus, D. (DE)
Dornheim, T. (DE)Number of authors 7 Article number 129362 Source Title Physics Letters. A. - : Elsevier - ISSN 0375-9601
Roč. 499, Mar (2024)Number of pages 14 s. Language eng - English Country NL - Netherlands Keywords warm dense matter ; non-equilibrium ; ITCF ; X-ray Thomson scattering ; relaxation ; X-ray free electron laser Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) R&D Projects LTT17015 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LM2023068 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EF18_053/0016627 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure e-INFRA CZ - 90140 - CESNET, zájmové sdružení právnických osob Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 001184331600001 EID SCOPUS 85184519921 DOI 10.1016/j.physleta.2024.129362 Annotation Experiments creating extreme states of matter almost invariably create non-equilibrium states. These are very interesting in their own right but need to be understood even if the ultimate goal is to probe high-pressure or high-temperature equilibrium properties like the equation of state. Here, we report on the capabilities of the newly developed imaginary time correlation function (ITCF) technique [1] to detect and quantify non-equilibrium in pump-probe experiments fielding time resolved x-ray scattering diagnostics. We find a high sensitivity of the ITCF even to a small fraction of non-equilibrium electrons in the Wigner distribution. The behavior of the ITCF technique is such that modern lasers and detectors should be able to trace the nonequilibrium relaxation from tens of femto-seconds to several 10s of picoseconds without the need for a model. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2025 Electronic address https://hdl.handle.net/11104/0352928
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