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home episciences presentation publishing model who are we governance economic model scoss pledge and funding plan s compliance posi principles the ambassador program services journals partners sponsors resources documentation bibliography release notes source code github en fr es pt en fr es pt join us i m looking for episciences open access overlay journals a diamond open access scientific publishing platform covering all disciplines our mission to offer both an innovative tool integrated into the european ecosystem for the distribution of content and an editorial support learn more 7 774 publications 43 diamond open access journals 17 224 users latest publications see all journals earth sciences jsedi journal of studies of earth s deep interior jsedi journal of studies of earth s deep interior founded in 2025 the journal of studies of earth s deep interior is a multidisciplinary journal dedicated to the publication of original english language research in the geosciences and more specifically in the deep earth edited by ens éditions the journal is published annually director of publication emmanuel trizac editors in chief john hernlund and stéphane labrosse medium electronic frequency continuous date created 2025 date of publication on episciences 2025 subjects earth sciences language of publication english review process single blind peer review or open peer review cc by 4 0 licence publisher ens éditions address 15 parvis rené descartes bp 7000 69342 lyon cedex 07 country france contact jsedi at episciences org see website latest articles joint bayesian inference of earth s magnetic field and core surface flow on millennial timescales understanding earth s core dynamics over millennial timescales requires models that jointly describe the evolution of the geomagnetic field and core surface flow while accommodating the sparse irregular and uncertain nature of archaeomagnetic and palaeomagnetic data we present a new bayesian core field and core flow modelling framework that utilises archaeo palaeomagnetic data directly combining a reduced stochastic representation of core surface dynamics derived from numerical geodynamo statistics with a probabilistic treatment of observational and chronological uncertainties a key innovation is an efficient discrete marginalisation of age uncertainties which avoids the convergence difficulties associated with co estimating ages in high dimensional hamiltonian monte carlo inversions the framework aims to reconstruct the coupled evolution of the geomagnetic field and core surface flow over the past 9000 years while preserving dynamical correlations implied by the prior geodynamo time series tests using synthetic data generated from an earth like geodynamo demonstrate that the method reliably recovers large scale geomagnetic field variations and key aspects of core dynamics including long term westward drift and the evolution of planetary scale eccentric gyres these results show that when combined with physically informed priors archaeo palaeomagnetic data can constrain millennial scale core flow paving the way for reconstructions based on real data nilsson andreas march 31 2026 read article constraints on the lower mantle electrical conductivity from length of day changes we investigate how the radial profile σ r of the lower mantle electrical conductivity affects the downward continuation of the time varying magnetic field to the core surface and the resulting inverted core motions we compare core flow predictions to the length of day lod with geodetic records in order to assess how plausible the considered conductivity profiles are the core flow inverse problem mixing the information carried by single spherical harmonic magnetic coefficients makes it non trivial to infer the delay expected for lod predictions our results indicate that the timescale characteristic of the mantle filter in the low frequency limit yields an integral measure of σ r allowing us to select admissible conductivity models models of σ r inferred from magnetospheric and tidal sources over the satellite era involve mantle filter lags less than a couple of months and provide the best fit to lod variations other conductivity profiles constructed based on mineralogical properties and iron partitioning inferred for deep mantle rocks i e σ increasing from a few s m at 1200 km depth up to some tens of s m 300 km above the core surface with a more conducting d layer are acceptable a highly conducting layer of thickness o 10 km or thinner cannot be excluded gillet nicolas november 07 2025 read article physics ops open plasma science ops open plasma science created in 2023 open plasma science is a peer reviewed journal supported by the university of lorraine it publishes articles in english covering plasma science in the broadest sense from fusion plasmas to high and low pressure discharge plasmas from plasma surface or plasma liquid interactions to turbulence in plasmas from propulsion to manufacturing processes using plasmas director of publication hélène boulanger editor in chief jérôme moritz medium electronic frequency continuous date created 2023 date of publication on episciences 2023 eissn 3076 1468 subject plasma physics language of publication english review process single blind peer review cc by 4 0 licence publisher université de lorraine address institut jean lamour campus artem 2 allée andré guinier bp 50840 54011 nancy cedex country france contact ops at episciences org see website latest articles modeling of evaporation of macroparticles of vacuum arcs by an electron beam the evaporation of droplets in an arc plasma flow under the action of an electron beam injected into the arc plasma and the condition of direct heating of microdroplets by beam electrons are considered analytical modeling shows that droplets 1 μm in size can be completely evaporated over time scales typical for cathodic arc deposition systems it is shown that small microdroplets evaporate more intensively the lower limit working points in terms of plasma electron density and the electron energy and density of the injected energetic electrons required for droplet evaporation are found litovko iryna february 11 2026 read article diagnostics of a multicusp assisted inductively coupled radio frequency plasma source for plasma immersion ion implantation in this article we present a detailed characterisation of a multicusp assisted inductively coupled rf plasma source for plasma immersion ion implantation piii using laser induced fluorescence lif and rf compensated langmuir probe diagnostics we measured ion temperature t i and drift velocity v z in argon plasmas near an immersed electrode the multicusp configuration enhances plasma density at low pressure enabling stable operation down to 0 8 mtorr timeaveraged measurements show no detectable perturbation near the pulsed electrode indicating full plasma recovery between high voltage pulses lif derived potential profiles match riemann s presheath theory and ion velocity distributions reveal acceleration consistent with sheath dynamics these results support the use of lif for steady state characterisation of the bulk and presheath regions in piii systems joel moreno january 26 2026 read article social sciences and humanities transformations a dariah journal transformations a dariah journal transformations a dariah journal is a multilingual journal created in 2024 by the european research infrastructure dariah eric it s an ongoing publication with thematic issues in digital humanities humanities social sciences and arts the journal is particularly interested in the use of digital tools methods and resources in a reproducible approach it welcomes scientific contributions on collections of data workflows and software analysis director of publication agiatis benardou editor in chief toma tasovac managing editors anne baillot françoise gouzi medium electronic frequency annual date created 2024 date of publication on episciences 2024 eissn 3095 3200 subjects digital humanities social sciences and humanities arts languages of publication english french german spanish review process open peer review cc by 4 0 licence publisher dariah eric address 54 boulevard raspail 75006 paris country france contact transformations at episciences org see website latest articles introduction to workflows part 2 in this second part of the introduction to the first issue of transformations a dariah journal dedicated to workflows we present three articles respectively dedicated to metadata based text based and musicology workflows baillot anne november 06 2025 read article supporting executable scientific workflows in a clustered infrastructure dariah it and h2iosc workflows have become essential in digital humanities enabling the formalisation automation and reproducibility of complex research processes as the humanities increasingly adopt data driven methodologies workflows offer structured approaches to manage diverse data and tools while supporting transparency and collaboration recognising this need dariah it has advanced research infrastructure development by focusing on workflow based services within the h2iosc humanities and cultural heritage italian open science cloud project dariah it leads the design and implementation of a national cloud system to support digital humanities research ensuring interoperability fair data practices and semantic integration across disciplines central to dariah it s effort within h2iosc is aeon dariah service oriented infrastructure a platform that enables the creation execution and management of scientific workflows aeon integrates service provisioning semantic validation and runtime orchestration supporting reproducible research and collaborative practices degl innocenti emiliano october 14 2025 read article journals hosted on the platform adhere to the fair principles join episciences episciences has received funding from the 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