Results 31 to 40 of about 67,903 (312)
Cascaded generation of isolated sub-10 attosecond half-cycle pulses
New Journal of Physics, 2021 Sub-10 attosecond pulses (APs) with half-cycle electric fields provide exceptional options to detect and manipulate electrons in the atomic timescale. However, the availability of such pulses is still challenging.
Yinren Shou +7 more
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Dynamic coupling between particle-in-cell and atomistic simulations [PDF]
Physical Review E, 2020 15 pages, 12 ...
Mihkel Veske +5 more
openaire +6 more sources
Particle-in-cell simulations of parametric decay instabilities near the upper hybrid layer [PDF]
EPJ Web of Conferences, 2019 The particle-in-cell (PIC) code EPOCH is used to simulate parametric decay instabilities (PDIs) converting a 105 GHz microwave X-mode pump wave into electrostatic daughter waves at the upper hybrid (UH) layer of a fusion plasma in 1D. The resulting fields
Senstius MG, Nielsen SK, Vann RGL
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Plasma parameter analysis of the Langmuir decay process via Particle-in-Cell simulations [PDF]
Annales Geophysicae, 2012 The beam-plasma mechanism, based on the Langmuir decay process, has been proposed to explain naturally enhanced ion-acoustic lines (NEIALs), which are spectral distortions in incoherent scatter radar (ISR) data frequently observed in the vicinity of ...
M. A. Diaz +3 more
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Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing
FEBS Letters, EarlyView.Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley +1 more source
Particle-in-cell simulations of plasma accelerators and electron-neutral collisions
Physical Review Special Topics. Accelerators and Beams, 2001 We present 2D simulations of both beam-driven and laser-driven plasma wakefield accelerators, using the object-oriented particle-in-cell code XOOPIC, which is time explicit, fully electromagnetic, and capable of running on massively parallel ...
David L. Bruhwiler +7 more
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The Astrophysical Journal, 2023 Relativistic magnetic reconnection is a nonideal plasma process that is a source of nonthermal particle acceleration in many high-energy astrophysical systems.
Hannah Klion +9 more
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Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions
FEBS Letters, EarlyView.We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva +10 more
wiley +1 more source
FEBS Letters, EarlyView.The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li +2 more
wiley +1 more source
Particle-in-cell simulations of electron energization in laser-driven magnetic reconnection
New Journal of Physics, 2016 Electrons can be energized during laser-driven magnetic reconnection, and the energized electrons form three super-Alfvénic electron jets in the outflow region (Lu et al 2014 New J. Phys.
San Lu +5 more
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