Results 31 to 40 of about 7,012 (198)

Analysis of the similarity of characteristics of quadcopter engines based on the results of bench tests

open access: yesВестник Самарского государственного технического университета. Серия: Технические науки
The similarity of engine characteristics is an important factor in the controllability and stability of the operation of mini-unmanned aerial vehicles (UAVs).
Vladimir E. Gvozdev   +3 more
doaj   +1 more source

Mid-Infrared Spectral Compression of Soliton Pulse in an Adiabatically Suspended Silicon Waveguide Taper

open access: yesIEEE Photonics Journal, 2019
Spectral compression (SPC) can be used for generating narrow bandwidth and wavelength-tunable light sources, which have important applications in optical communication system, spectroscopy, and nonlinear microscopy.
Yujun Cheng   +9 more
doaj   +1 more source

THE SOLITON–SOLITON INTERACTION IN THE CHIRAL DILATON MODEL [PDF]

open access: yesInternational Journal of Modern Physics A, 2013
We study the interaction between two B = 1 states in the Chiral Dilaton Model where baryons are described as nontopological solitons arising from the interaction of chiral mesons and quarks. By using the hedgehog solution for B = 1 states we construct, via a product ansatz, three possible B = 2 configurations to analyse the role of the relative ...
Mantovani Sarti, Valentina   +2 more
openaire   +4 more sources

Electrosoliton dynamics in a thermalized molecular chain

open access: yesРоссийский технологический журнал, 2020
The possibility of the electrosoliton formation in α-helical proteins which represents a localized state of an extra electron bound with the deformation region of the α-helix arising due to the electron interaction with chain of peptide groups is ...
V. N. Kadantsev   +2 more
doaj   +1 more source

Glueball solitons [PDF]

open access: yesPhysical Review D, 1986
From the effective action of long-range Yang-Mills theory, we derive a classical spherical solution which can be interpreted as a glueball. The field configurations in the gauge we have used describe a system with one unit of color-electric flux crossing any median plane, and thus can be regarded as two gluons bound together.
Baker, M.   +3 more
openaire   +3 more sources

Real-time dynamics of soliton collision in a bound-state soliton fiber laser

open access: yesNanophotonics, 2019
We experimentally investigated the soliton collisions between soliton molecules and deuterogenic solitons spontaneously generated on the continuous wave (cw) noise background in an ultrafast erbium-doped fiber laser mode locked with MoS2 saturable ...
Liang Hu   +8 more
doaj   +1 more source

Polarization Dynamics in Ferroelectrics: Insights Enabled by Machine Learning Molecular Dynamics

open access: yesAdvanced Science, EarlyView.
Machine learning molecular dynamics is presented as a route to capture polarization switching, domain wall kinetics, topological polar textures, and polar mechanical coupling beyond the limits of conventional atomistic methods. This Perspective surveys recent progress and identifies key methodological directions, including long‐range electrostatics ...
Dongyu Bai   +3 more
wiley   +1 more source

Structural Colors from Modulated Topological Defects in Molecular Smectic Liquid Crystals

open access: yesAdvanced Science, EarlyView.
Rather than using dyes and pigments, nature produces the colors of some butterflies and beetles through optical interference phenomena. This study describes an original biomimetic strategy exploiting the spontaneous formation of modulated linear defects in thin films of 8CB, a common molecular liquid crystal.
Camille N. Mahyaoui   +7 more
wiley   +1 more source

Thermal Control of Concentric Topographies Patterned by Dynamic Electro‐Templated Generated Chiral Solitonic Structures

open access: yesAdvanced Science, EarlyView.
An electro‐templating strategy directs the relaxation of cholesteric finger loops into discrete concentric rings whose geometry is electrically programmed. The photopolymerized structures retain the topological defect pattern and, upon heating, show reversible, castle‐like surface modulation.
Jacques A. Peixoto   +4 more
wiley   +1 more source

Soliton propagation in lossy optical fibers

open access: yesSemina: Ciências Exatas e Tecnológicas, 2019
In this work we study the propagation of solitons in lossy optical fibers. The main objective of this work is to study the loss of energy of the soliton wave during propagation and then to evaluate the impact of this loss on the transmission of the ...
Caroline Dall'Agnol   +4 more
doaj   +1 more source

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