Results 211 to 220 of about 928,236 (401)

The impact force in the ballistic oscillator [PDF]

open access: yesarXiv, 2009
We determine the impact force generated by the projectile penetrating the body of the harmonic oscillator. We discuss the ballistic effect in connection with the Compton effect. Key words: Mathematical pendulum, physical pendulum, ballistic pendulum, harmonic oscillator.
arxiv  

Quantum Nondemolition Measurements of Harmonic Oscillators [PDF]

open access: green, 1978
Kip S. Thorne   +4 more
openalex   +1 more source

Quantum Harmonic Oscillator Spectrum Analyzers. [PDF]

open access: yesPhys Rev Lett, 2021
Keller J   +7 more
europepmc   +1 more source

FCclasses3: Vibrationally‐resolved spectra simulated at the edge of the harmonic approximation

open access: yesJournal of Computational Chemistry, Volume 44, Issue 4, Page 626-643, February 5, 2023., 2023
FCclasses3 is a code to simulate vibronic spectra and nonradiative rates based on the harmonic approximation, supporting a wide range of spectroscopies. It makes freely available to the community the developments carried out in our group in the last 10 years, including time‐dependent formulations in internal coordinates, which brings us to the limits ...
Javier Cerezo, Fabrizio Santoro
wiley   +1 more source

Spontaneous variability in gamma dynamics described by a damped harmonic oscillator driven by noise. [PDF]

open access: yesNat Commun, 2022
Spyropoulos G   +12 more
europepmc   +1 more source

Excited State Structure and Decay Rates for Aggregates

open access: yesAggregate, EarlyView.
Delocalized excitons in a disordered energy landscape of molecular aggregates, created by external excitation and undergoing decay influenced by phonon and thermal fluctuations. ABSTRACT Electronic excited state in molecular aggregate or exciton states continue to attract great attention due to the increasing demands for applications of molecular ...
Zhigang Shuai   +4 more
wiley   +1 more source

The Analysis and Design of a Dual-Band Self-Oscillating Mixer

open access: yesMajlesi Journal of Electrical Engineering
Here, a self-oscillating mixer is experimentally demonstrated employing both the fundamental and harmonic signals generated by the oscillator sub-circuit in the mixing process.
Alishir Moradi Kordalivand   +1 more
doaj  

Spring and Power in Hovering Ornithopters

open access: yesAdvanced Intelligent Systems, EarlyView.
Only small ornithopters can hover, longest at the hummingbird size. This article reviews the drive and power of these hovering machines, focusing on elastic energy and thrust boosters. Unlike two‐winged designs, X‐winged and multiple‐V‐winged ornithopters benefit from lower disk loading and slower, smaller wingbeats, and the clap‐and‐fling effect ...
Gih‐Keong Lau   +4 more
wiley   +1 more source

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