Results 41 to 50 of about 3,237,360 (342)

A Weighted Average of Multiple Inversions of Rayleigh Wave Dispersion Curve Using Particle Swarm Optimization for Geotechnical Site Characterization

open access: yesIndonesian Journal of Applied Physics, 2023
Shear wave velocity is an important parameter in geotechnical engineering for studying liquefaction, finding bedrock for the basement of a building, and figuring out the presence of subsurface cavities.
Jamhir Safani   +4 more
doaj   +1 more source

Study on dispersion characteristics of square solid-core photonic crystal fibers with As2S3 substrate

open access: yesTạp chí Khoa học, 2022
The dispersion characteristics of As2S3 solid-core photonic crystal fibers were investigated with the change of structural parameters including filling factor (d/Λ) and lattice constant (Λ).
DANG Van Trong   +4 more
doaj   +1 more source

Mode Bifurcation and Fold Points of Complex Dispersion Curves for the Metamaterial Goubau Line

open access: yes, 2009
In this paper the complex dispersion curves of the four lowest-order transverse magnetic modes of a dielectric Goubau line ($\epsilon>0, \mu>0$) are compared with those of a dispersive metamaterial Goubau line.
D. R. Bowling   +9 more
core   +1 more source

A hysteresis model with dipole interaction: one more devil-staircase

open access: yes, 2001
Magnetic properties of 2D systems of magnetic nanoobjects (2D regular lattices of the magnetic nanoparticles or magnetic nanostripes) are considered. The analytical calculation of the hysteresis curve of the system with interaction between nanoobjects is
A. A. Fraerman   +28 more
core   +2 more sources

Collective Modes of Massive Dirac Fermions in Armchair Graphene Nanoribbons

open access: yes, 2012
We report the plasmon dispersion characteristics of intrinsic and extrinsic armchair graphene nanoribbons of atomic width N = 5 using a p_z-orbital tight binding model with third-nearest-neighbor (3nn) coupling.
David R Andersen   +5 more
core   +1 more source

Continuum elasticity theory of edge excitations in a two-dimensional electron liquid with finite range interactions [PDF]

open access: yes, 1999
We make use of continuum elasticity theory to investigate the collective modes that propagate along the edge of a two-dimensional electron liquid or crystal in a magnetic field.
A. M. Chang   +12 more
core   +2 more sources

Finite size giant magnons in the SU(2) x SU(2) sector of AdS_4 x CP^3

open access: yes, 2008
We use the algebraic curve and Luscher's mu-term to calculate the leading order finite size corrections to the dispersion relation of giant magnons in the SU(2) x SU(2) sector of AdS_4 x CP^3.
A. Gustavsson   +44 more
core   +1 more source

Sickle Cell Disease Is an Inherent Risk for Asthma in a Sibling Comparison Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Sickle cell disease (SCD) and asthma share a complex relationship. Although estimates vary, asthma prevalence in children with SCD is believed to be comparable to or higher than the general population. Determining whether SCD confers an increased risk for asthma remains challenging due to overlapping symptoms and the ...
Suhei C. Zuleta De Bernardis   +9 more
wiley   +1 more source

Application of Multi-Station High-Frequency Microtremor Surface Wave Exploration in Coastal Engineering Research: A Case Study of Dongzhou Peninsula in Fujian Province

open access: yesJournal of Marine Science and Engineering
This study proposes a multi-station high-frequency microtremor surface-wave exploration method for high-resolution characterization of shallow subsurface structures in coastal engineering environments.
Fei Cheng   +3 more
doaj   +1 more source

Evolution of plane curves with a curvature adjusted tangential velocity

open access: yes, 2011
We study evolution of a closed embedded plane curve with the normal velocity depending on the curvature, the orientation and the position of the curve.
Sevcovic, Daniel, Yazaki, Shigetoshi
core   +1 more source

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