Results 11 to 20 of about 19,874 (215)

Variational quantum simulation for periodic materials [PDF]

open access: yesPhysical Review Research, 2022
8 pages, 5 ...
Nobuyuki Yoshioka   +4 more
openaire   +3 more sources

Strain-Induced Band Gap Variation in InGaN/GaN Short Period Superlattices

open access: yesCrystals, 2023
The use of strained substrates may overcome indium incorporation limits without inducing plastic relaxation in InGaN quantum wells, and this is particularly important for short-period InGaN/GaN superlattices.
Polyxeni Chatzopoulou   +5 more
doaj   +1 more source

Fluctuations of the Sea Level, Caused by Gravitational and Infra–Gravitational Sea Waves

open access: yesJournal of Marine Science and Engineering, 2020
In the article we analyzed the results of processing experimental data of the range of surface gravity sea wind waves (2–20 s) and the range of infra-gravitational sea waves (30 s–10 min), obtained on the laser meter of hydrosphere pressure variations ...
Grigory Dolgikh   +2 more
doaj   +1 more source

MONITORING IONOSPHERIC VARIATION FOR A DEFINITE PERIOD TIME IN TURKEY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Ionosphere has been studied by a number of scientists in recent years. Since GPS observations cannot provide TEC value directly, it can be estimated from combination of observations.
S. Inyurt, C. Mekik, O. Yildirim
doaj   +1 more source

Weight Variation in Term Newborns Hospitalized during Early Postnatal Period [PDF]

open access: yesChild Health Nursing Research, 2015
Purpose: This study was performed to explore the weight variations in high-risk term newborns hospitalized during the early postnatal period. Methods: A retrospective explorative study was performed with 64 term newborns who were hospitalized in the NICU
Youngmee Ahn   +3 more
doaj   +1 more source

Orbital Period Refinement of CoRoT Planets with TESS Observations

open access: yesFrontiers in Astronomy and Space Sciences, 2021
CoRoT was the first space mission dedicated to exoplanet detection. Operational between 2007 and 2012, this mission discovered 37 transiting planets, including CoRoT-7b, the first terrestrial exoplanet with a measured size. The precision of the published
Peter Klagyivik    +8 more
doaj   +1 more source

On the variation of bi‐periodic waves in the transverse direction [PDF]

open access: yesStudies in Applied Mathematics, 2021
AbstractWeakly nonlinear, bi‐periodic patterns of waves that propagate in the ‐direction with amplitude variation in the ‐direction are generated in a laboratory. The amplitude variation in the ‐direction is studied within the framework of the vector (vNLSE) and scalar (sNLSE) nonlinear Schrödinger equations using the uniform‐amplitude, Stokes‐like ...
Henderson, Diane M.   +2 more
openaire   +2 more sources

Period Variation of BW Vul [PDF]

open access: yesAstrophysics and Space Science, 1993
Due to the large fluctuation of the time of light maxima, in each observational season only very few observations is very dangerous for period variation research. Especially when the observation is not accurate enough such as for the early radial velocity data.
openaire   +1 more source

Permutation entropy variation for 2007 effusive dome-forming eruption period of Kelud Volcano, Indonesia [PDF]

open access: yesE3S Web of Conferences, 2021
The complexity of a system recorded in time series data can be measured statistically using permutation entropy (PE). The state of a system (e.g. regular, chaotic, random, etc.) that underlies the appearance of variations in time series can be determined
Nugraheni Lusia Rita   +3 more
doaj   +1 more source

Allocating Jobs with Periodic Demand Variations [PDF]

open access: yes, 2015
In the context of service hosting in large-scale datacenters, we consider the problem faced by a provider for allocating services to machines. Based on an analysis of a public Google trace correspond-ing to the use of a production cluster over a long period, we propose a model where long-running services experience demand variations with a periodic ...
Beaumont, Olivier   +3 more
openaire   +1 more source

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