Results 241 to 250 of about 1,361,716 (290)
A Dual Vibrational Probe Framework for Studying Solvation in Highly Heterogeneous Molecular Environments. [PDF]
J Phys Chem LettDeshmukh SH +2 more
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Beyond Color: Hybrid Vibrational-Electronic Broadband Coherent Anti-Stokes Raman Scattering for Molecularly Informed Digital Pathology. [PDF]
Anal ChemEbersbach P +4 more
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Vibrational Resonance: A Review [PDF]
Physics ReportsOver the past two decades, vibrational resonance has garnered significant interest and evolved into a prominent research field. Classical vibrational resonance examines the response of a nonlinear system excited by two signals: a weak, slowly varying characteristic signal, and a fast-varying auxiliary signal.
Jianhua Yang +2 more
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Vibrational Resonance in an Asymmetric Duffing Oscillator
International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, 2011 We analyze how the asymmetry of the potential well of the Duffing oscillator affects the vibrational resonance. We obtain, numerically and theoretically, the values of the low-frequency and amplitude of the high-frequency forces at which vibrational resonance occurs.
Miguel Ángel Fernández Sanjuán +1 more
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Vibrational Resonance Amplification in a Thermo-Optic Optomechanical Nanocavity
Nano Letters, 2021 Vibrational resonance amplifies a weak low-frequency signal by use of an additional non-resonant high-frequency modulation. The realization of weak signal enhancement in integrated nonlinear optical nanocavities is of great interest for nanophotonic ...
Remy Braive +2 more
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Probing Vibrational Anisotropy With Nuclear Resonance Vibrational Spectroscopy [PDF]
Angewandte Chemie - International Edition, 2010 A NRVS single-crystal study (NRVS=nuclear resonance vibrational spectroscopy) has provided detailed information on the in-plane modes of nitrosyl iron porphyrinate [Fe(oep)(NO)] (see picture; oep=octaethylporphyrin). The axial nitrosyl ligand controls the direction of the in-plane iron motion.
Allen G Oliver +2 more
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Vibrational Subharmonic and Superharmonic Resonances
Communications in Nonlinear Science and Numerical Simulation, 2016Abstract We investigate the response to the low-frequency of a bistable system perturbed by a low-frequency and a high-frequency excitation. The resonance induced by the high-frequency excitation or simply by a variation of a system parameter can occur at the frequency which is equal to, or smaller, or larger than the low-frequency excitation ...
Miguel Ángel Fernández Sanjuán
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Entropic vibrational resonance
Physical Review E, 2020We demonstrate the existence of vibrational resonance associated with the presence of an uneven boundary. When the motion of a Brownian particle is confined in a region with an uneven boundary, constrained to a double cavity, a high-frequency signal may produce a peak in the spectral power amplification of the other low-frequency signal and therefore ...
Luchun Du +3 more
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Complex Resonant Ice Shelf Vibrations
SIAM Journal on Applied Mathematics, 2021The problem of ice shelf vibrations forced by incident waves from the open ocean is considered, using a linear hydroelastic model involving combined thin-plate and potential-flow theories. Complex resonances are shown to generate near-resonant ice shelf responses.
Luke G. Bennetts, Michael H. Meylan
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