Results 231 to 240 of about 25,652 (291)

Closed-form spin-relativistic corrections from the Dirac equation enabling a modified Schrödinger solver. [PDF]

Sci Rep
Amaro MB, Nazeef, Dussech CJ, Qi C.
europepmc   +1 more source

Dual-sensor coherence-driven adaptive denoising (WF-VMD-DDCDO) for underwater target detection. [PDF]

Sci Rep
Qiu H, Yang P, Huang C, Cao D, Zhang L, Han Y, Li S, Liu C, Ouyang J.   +8 more
europepmc   +1 more source

Infrared Characterization of Mono-Hydrogenated Phenanthrene Isomers (1-, 2-, 3-, 4-, and 9-HC₁₄H₁₀) in Solid <i>para</i>-Hydrogen. [PDF]

J Phys Chem A
Feng JY, Lee YP.
europepmc   +1 more source

Quantum ground-state cooling of two librational modes of a nanorotor. [PDF]

Nat Phys
Troyer S, Fechtel F, Hummer L, Rudolph H, Stickler BA, Delić U, Arndt M.   +6 more
europepmc   +1 more source

The harmonic oscillator propagator

American Journal of Physics, 1998
The published version is located at http://ajp.aapt.org/resource/1/ajpias/v66/i7/p583_s1The Feynman propagator for the harmonic oscillator is evaluated by a variety of path-integral-based means.583 ...
Holstein Barry R
exaly   +2 more sources

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Nonlinear harmonic oscillators

Journal of Physics A: Mathematical and General, 2002
This paper deals with the existence of assembles of an arbitrary number of complex oscillators, or equivalently of an arbitrary even number of real oscillators, characterized by Newtonian equations of motion (``acceleration equal force'') with one-body velocity-dependent linear forces and many-body velocity-independent cubic forms, all the nonsingular ...
CALOGERO, Francesco, INOZEMTSEV V. I.
openaire   +3 more sources

Effective harmonic oscillator description of anharmonic molecular vibrations [PDF]

Journal of Chemical Sciences, 2009
The validity of an effective harmonic oscillator approximation for anharmonic molecular vibrations is tested and compared with vibrational self consistent field and vibrational configurational interaction results.
Tapta Kanchan Roy, M Durga Prasad
exaly   +2 more sources

Harmonic Oscillators with Nonlinear Damping

International Journal of Bifurcation and Chaos, 2017
Dynamical systems with special properties are continually being proposed and studied. Many of these systems are variants of the simple harmonic oscillator with nonlinear damping. This paper characterizes these systems as a hierarchy of increasingly complicated equations with correspondingly interesting behavior, including coexisting attractors, chaos ...
Julien Clinton Sprott, William Graham Hoover   +1 more
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