Results 91 to 100 of about 69,287 (288)
Physical Review Accelerators and Beams, 2020 We study the dynamics of an isolated spike of radiation in superradiant regime. We show that conditions exist where the pulse moves with a group velocity larger than the velocity of light in vacuum and is followed by a pedestal resulting from a complex ...
Xi Yang, Najmeh Mirian, Luca Giannessi
doaj +1 more source
Maksutov spectrograph Patent [PDF]
, 1971 Maksutov spectrograph for low light level ...
Harvey, G. A.
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Nearly chirp- and pedestal-free pulse compression in nonlinear fiber Bragg gratings [PDF]
, 2009 Peer reviewedPublisher ...
Li, Qian +3 more
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Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation
FEBS Letters, EarlyView.Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe +3 more
wiley +1 more source
Improved optomechanical disk resonator sitting on a pedestal mechanical shield
New Journal of Physics, 2015 We experimentally demonstrate the controlled enhancement of the mechanical quality factor Q of gallium arsenide disk optomechanical resonators. Disks vibrating at 1.3 GHz with a mechanical shield integrated in their pedestal show a Q improvement by a ...
Dac Trung Nguyen +8 more
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A GTD analysis of ogive pedestal [PDF]
The metal ogive pedestal is claimed to have low radar cross section and low observability features. This study uses the Geometric Theory of Diffraction (GTD) to analyze the pedestal scattering for three cases: direct backscattered field, backscattered ...
Burnside, Walter D., Lai, Kin-Yue Albert
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In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source
Impact of ionization and transport on pedestal density structure in DIII-D and Alcator C-Mod
Nuclear FusionThis paper investigates the role of ionization on the pedestal structure using both measurements and modeling for H-mode plasmas on DIII-D and Alcator C-Mod to enhance our ability to predict pedestal behavior in future pilot plants.
S. Mordijck +11 more
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Sensitivity of echo enabled harmonic generation to sinusoidal electron beam energy structure
Physical Review Accelerators and Beams, 2017 We analytically examine the bunching factor spectrum of a relativistic electron beam with sinusoidal energy structure that then undergoes an echo-enabled harmonic generation (EEHG) transformation to produce high harmonics.
E. Hemsing +4 more
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Nonlinear gyrofluid computation of edge localised ideal ballooning modes
, 2010 Three dimensional electromagnetic gyrofluid simulations of the ideal ballooning mode blowout scenario for tokamak edge localized modes (ELMs) are presented.
Kendl, A., Ribeiro, T., Scott, B. D.
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