A quadratic time-dependent quantum harmonic oscillator [PDF]
Scientific Reports, 2023 We present a Lie algebraic approach to a Hamiltonian class covering driven, parametric quantum harmonic oscillators where the parameter set—mass, frequency, driving strength, and parametric pumping—is time-dependent.
F. E. Onah +5 more
doaj +4 more sources
Thermalization in a Quantum Harmonic Oscillator with Random Disorder [PDF]
Entropy, 2020 We propose a possible scheme to study the thermalization in a quantum harmonic oscillator with random disorder. Our numerical simulation shows that through the effect of random disorder, the system can undergo a transition from an initial nonequilibrium ...
Ya-Wei Hsueh +2 more
doaj +3 more sources
Quantum Harmonic Oscillator Spectrum Analyzers. [PDF]
Phys Rev Lett, 2021 Characterization and suppression of noise are essential for the control of harmonic oscillators in the quantum regime. We measure the noise spectrum of a quantum harmonic oscillator from low frequency to near the oscillator resonance by sensing its ...
Keller J +7 more
europepmc +7 more sources
Multiscale Quantum Harmonic Oscillator Algorithm for Multimodal Optimization. [PDF]
Comput Intell Neurosci, 2018 This paper presents a variant of multiscale quantum harmonic oscillator algorithm for multimodal optimization named MQHOA-MMO. MQHOA-MMO has only two main iterative processes: quantum harmonic oscillator process and multiscale process.
Wang P +5 more
europepmc +2 more sources
Heat distribution of a quantum harmonic oscillator [PDF]
Physical Review E, 2018 We consider a thermal quantum harmonic oscillator weakly coupled to a heat bath at a different temperature. We analytically study the quantum heat exchange statistics between the two systems using the quantum-optical master equation.
Tobias Denzler, Eric Lutz
openalex +3 more sources
Evaluating the performance of classical, quantum, and hybrid quantum neural networks in solving differential equations [PDF]
Scientific ReportsWe investigate the performance of classical, quantum, and hybrid quantum neural networks in solving partial differential equations through both supervised and unsupervised learning.
Navid Markazi, Behrouz Mirza
doaj +2 more sources
Multi objective optimization algorithm for hybrid quantum harmonic oscillator and its application in rotor system optimization [PDF]
Scientific ReportsThe importance of support system dynamic fidelity in capturing turbine rotor performance in unbalance response and critical speed is considered. Lobal optimization methods based on multi-scale quantum harmonic oscillator algorithm and genetic algorithm ...
Jun Li +6 more
doaj +2 more sources
Coherent States of Harmonic Oscillator and Generalized Uncertainty Principle [PDF]
, 2005 In this paper dynamics and quantum mechanical coherent states of a simple harmonic oscillator are considered in the framework of Generalized Uncertainty Principle(GUP).
Azizi, Tahereh, Nozari, Kourosh
core +3 more sources
Reducibility of the quantum harmonic oscillator in d-dimensions with polynomial time-dependent perturbation [PDF]
, 2017 We prove a reducibility result for a quantum harmonic oscillator in arbitrary dimensions with arbitrary frequencies perturbed by a linear operator which is a polynomial of degree two in $x_j$, $-i \partial_j$ with coefficients which depend ...
Dario Bambusi +7 more
openalex +3 more sources
Van der Waals interactions in density functional theory by combining the quantum harmonic oscillator-model with localized Wannier functions [PDF]
Journal of Chemical Physics, 2013 We present a new scheme to include the van der Waals (vdW) interactions in approximated Density Functional Theory (DFT) by combining the quantum harmonic oscillator model with the maximally localized Wannier function technique.
Pier Luigi Silvestrelli
openalex +3 more sources