Results 261 to 270 of about 1,482,446 (314)

Optimal asymmetric electric field pulses for selective transcranial magnetic stimulation with minimised power and coil heating. [PDF]

Brain Stimul
Ma K, Vlasov A, Simsek ZB, Zhang J, Li Y, Wang B, Murphy DLK, Choi JY, Clinton ME, Bukhari-Parlakturk N, Peterchev AV, Goetz SM.   +11 more
europepmc   +1 more source

Capturing the short-lived excited singlet state in crystals of a TADF silver(I) complex.

Chem Commun (Camb)
Łaski P, Drapała J, Kamiński R, Durka K, Szarejko D, Henning R, Jarzembska KN.   +6 more
europepmc   +1 more source

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Dual-toroidal dipole excitation on permittivity-asymmetric dielectric metasurfaces

Optics Letters, 2020
Magnetic and electric toroidal dipoles possess interesting properties differing from traditional electric and magnetic dipoles. In order to generate both the magnetic and electric toroidal dipoles simultaneously in one single structure, a permittivity-asymmetric dielectric metasurface is proposed, which is composed of clusters of four high-index ...
Xingguang Liu, Junqing Li, Qiang Zhang, Yixiao Wang   +3 more
openaire   +3 more sources

Nonlinear Asymmetric Excitation of Edge Waves

IMA Journal of Applied Mathematics, 1991
The resonant excitation of two weakly nonlinear oppositely travelling edge waves on a gently sloping beach by a perfectly reflected obliquely incident gravity wave is calculated. The four first-order nonlinear differential equations that govern the slowly varying amplitudes and phases of the edge waves are associated with a Hamiltonian supplemented by ...
J. Miles
openaire   +2 more sources

Asymmetric Light Excitation for Photodetectors Based on Nanoscale Semiconductors

ACS Nano, 2016
A photodetector is a key device to extend the cognition fields of mankind and to enrich information transfer. With the advent of emerging nanomaterials and nanophotonic techniques, new explorations and designs for photodetection have been constantly put forward.
Shuang Liang, Feifan Wang, Ze Ma, Nan Wei, Gongtao Wu, Gang Li, Huaping Liu, Xiaoyong Hu, Sheng Wang, Lian-Mao Peng   +9 more
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Coherent excitation by asymmetric pulses

Journal of Physics B: Atomic, Molecular and Optical Physics, 1995
It is shown that any pulse with a time-asymmetric envelope and a constant non-zero detuning excites a two-level quantum system with a probability of nearly one-half provided the pulse is very asymmetric, adiabatic in the slowly rising part of its envelope, sudden in the steep part and the peak Rabi frequency is much greater than the detuning.
N V Vitanov, P L Knight
openaire   +1 more source

Double excitation multi-stability and multi-pulse chaotic vibrations of a bistable asymmetric laminated composite square panels under foundation force.

Chaos, 2020
The double excitation multi-stability and Shilnikov-type multi-pulse jumping chaotic vibrations are analyzed for the bistable asymmetric laminated composite square panel under foundation force for the first time.
W. Zhang, W. S. Ma, Y. Zhang, Y. Liu
semanticscholar   +1 more source

An exciting tool for asymmetric synthesis

Nature, 2018
A catalytic process driven by visible light converts a mixture of mirror-image isomers of compounds called allenes to a single mirror-image isomer — opening up avenues of research for synthetic chemistry. A light-activated process for deracemization.
Cheng Yang, Yoshihisa Inoue
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Dipole excitations of neutron-proton asymmetric nuclei

Nuclear Physics A, 2004
Dipole excitations of unstable short-lived nuclei has been investigated experimentally by utilizing the electromagnetic-excitation process with high-energy secondary beams. From an exclusive measurement of the neutron-decay channels, differential cross sections with respect to excitation energy, which are directly related to the photo-absorption cross ...
R. Palit, P. Adrich, T. Aumann, K. Boretzky, D. Cortina, U. Datta Pramanik, Th.W. Elze, H. Emling, M. Fallot, H. Geissel, M. Hellstro¨m, K.L. Jones, L.H. Khiem, J.V. Kratz, R. Kulessa, Y. Leifels, A. Leistenschneider, G. Mu¨nzenberg, C. Nociforo, P. Reiter, H. Simon, K. Su¨mmerer, W. Walus   +22 more
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Asymmetric corticomotor excitability correlations in early Parkinson's disease

Movement Disorders, 2007
AbstractWe studied corticomotor excitability (CE) between the more and less affected sides in early Parkinson's disease (PD) patients using transcranial magnetic stimulation (TMS). Sixteen‐PD patients within the first 3 years of diagnosis were studied with single‐pulse TMS over each motor cortex with intensities from 40% to 100% stimulator output ...
Allan D, Wu, Giselle M, Petzinger, Chien-Ho J, Lin, Myron, Kung, Beth, Fisher   +4 more
openaire   +2 more sources