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Three-dimensional modelling of the shock-turbulence interaction

Trotta, D. (författare)
Imperial Coll London, Dept Phys, Blackett Lab, London SW7 2AZ, England.,The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK
Pezzi, O. (författare)
Istituto per la Scienza e Tecnologia dei Plasmi (ISTP), Consiglio Nazionale delle Ricerche, Via Amendola 122/D, I-70126 Bari, Italy
Burgess, D. (författare)
Queen Mary Univ London, Dept Phys & Astron, London E1 4NS, England.,Department of Physics and Astronomy, Queen Mary University of London, London, E1 4NS, UK
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Preisser, L. (författare)
Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria.,Space Research Institute, Austrian Academy of Sciences, Graz, A-8042, Austria
Blanco-Cano, X. (författare)
Univ Nacl Autonoma Mexico, Inst Geofis, Dept Ciencias Espaciales, Ciudad Univ, Ciudad De Mexico 0451, Mexico.,Departamento de Ciencias Espaciales, Instituto de Geofísica, Universidad Nacional Aut onoma de México, Ciudad Universitaria, Ciudad de México, 0451, Mexico
Kajdic, P. (författare)
Univ Nacl Autonoma Mexico, Inst Geofis, Dept Ciencias Espaciales, Ciudad Univ, Ciudad De Mexico 0451, Mexico.,Departamento de Ciencias Espaciales, Instituto de Geofísica, Universidad Nacional Aut onoma de México, Ciudad Universitaria, Ciudad de México, 0451, Mexico
Hietala, H. (författare)
Queen Mary Univ London, Dept Phys & Astron, London E1 4NS, England.,Department of Physics and Astronomy, Queen Mary University of London, London, E1 4NS, UK
Horbury, T. S. (författare)
Imperial Coll London, Dept Phys, Blackett Lab, London SW7 2AZ, England.,The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK,Dipartimento di Fisica, Università della Calabria, I-87036 Rende, Italy,Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, Italy.
Vainio, R. (författare)
Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland.,Department of Physics and Astronomy, University of Turku, FI-20014 Turku, Finland
Dresing, N. (författare)
Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland.,Department of Physics and Astronomy, University of Turku, FI-20014 Turku, Finland
Retinò, A. (författare)
Univ Paris Sud, UPMC, CNRS, Ecole Polytech,LPP, F-91128 Palaiseau, France.,LPP, Ecole Polytechnique, CNRS, UPMC, Université Paris Sud, Palaiseau, F-91128, France
Marcucci, M. F. (författare)
INAF Ist Astrofis & Planetol Spaziali, I-00133 Rome, Italy.,INAF -Istituto di Astrofisica e Planetologia Spaziali, Rome, I-00133, Italy
Sorriso-Valvo, Luca (författare)
KTH,Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen,CNR, Ist Sci & Tecnol Plasmi ISTP, Via Amendola 122-D, I-70126 Bari, Italy; KTH Royal Inst Technol, Sch Elect Engn & Comp Sci, Space & Plasma Phys, SE-10044 Stockholm, Sweden,Rymd- och plasmafysik,Istituto per la Scienza e Tecnologia dei Plasmi (ISTP), Consiglio Nazionale delle Ricerche, Via Amendola 122/D, I-70126 Bari, Italy; Swedish Institute of Space Physics (IRF), Ångström Laboratory, Läg erhyddsväg en 1, SE-75121 Uppsala, Sweden
Servidio, S. (författare)
Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, Italy.
Valentini, F. (författare)
Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, Italy.,Dipartimento di Fisica, Università della Calabria, I-87036 Rende, Italy
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Imperial Coll London, Dept Phys, Blackett Lab, London SW7 2AZ, England The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK (creator_code:org_t)
Oxford University Press, 2023
2023
Engelska.
Ingår i: Monthly notices of the Royal Astronomical Society. - : Oxford University Press. - 0035-8711 .- 1365-2966. ; 525:2, s. 1856-1866
Relaterad länk:
https://doi.org/10.1...
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https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • The complex interaction between shocks and plasma turbulence is extremely important to address crucial features of energy conversion in a broad range of astrophysical systems. We study the interaction between a supercritical, perpendicular shock and pre-existing, fully developed plasma turbulence, employing a novel combination of magnetohydrodynamic and small-scale, hybrid-kinetic simulations where a shock is propagating through a turbulent medium. The variability of the shock front in the unperturbed case and for two levels of upstream fluctuations is addressed. We find that the behaviour of shock ripples, i.e. shock surface fluctuations with short (a few ion skin depths, di) wavelengths, is modified by the presence of pre-existing turbulence, which also induces strong corrugations of the shock front at larger scales. We link this complex behaviour of the shock front and the shock downstream structuring with the proton temperature anisotropies produced in the shock-turbulence system. Finally, we put our modelling effort in the context of spacecraft observations, elucidating the role of novel cross-scale, multispacecraft measurements in resolving shock front irregularities at different scales. These results are relevant for a broad range of astrophysical systems characterized by the presence of shock waves interacting with plasma turbulence.

Ämnesord

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
NATURVETENSKAP  -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)

Nyckelord

plasmas
shock waves
turbulence

Publikations- och innehållstyp

ref (ämneskategori)
art (ämneskategori)

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