Results 31 to 40 of about 17,102 (215)

Perturbative analysis of Newton-equivalent quantum quartic anharmonic oscillators [PDF]

open access: yesWarasan Witthayasat Lae Theknoloyi Mahawitthayalai Mahasarakham, 2019
Newton-equivalent Hamiltonians are Hamiltonians whose classical dynamics agree with those from the standard Hamiltonian. In this work, we perturbatively work out energy spectra and wavefunctions of quantum mechanical Newton-equivalent Hamiltonians with ...
Pichet Vanichchapongjaroen
doaj  

Comment on “Effects of cosmic-string framework on the thermodynamical properties of anharmonic oscillator using the ordinary statistics and the q-deformed superstatistics approaches”

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
We point out a misleading treatment in a recent paper published in this Journal (Sobhani et al., Eur Phys J C 78:106, 2018) regarding solutions for the Schrödinger equation with a anharmonic oscillator potential embedded in the background of a cosmic ...
Francisco A. Cruz Neto, Luis B. Castro
doaj   +1 more source

Vibrational–translational relaxation in nitrogen discharge plasmas: Master equation modeling and Landau–Teller model revisited

open access: yesAIP Advances, 2020
Vibrational–translational (V–T) relaxation is quite common in molecular nitrogen discharge non-equilibrium plasmas. In this paper, the energy relaxation in V–T transition is investigated by master equation modeling on all vibrational levels below the ...
Wei Yang   +4 more
doaj   +1 more source

Group theoretical analysis of a quantum-mechanical three-dimensional quartic anharmonic oscillator [PDF]

open access: yes, 2015
This paper illustrates the application of group theory to a quantum-mechanical three-dimensional quartic anharmonic oscillator with $O_{h}$ symmetry.
Fernández, Francisco M.
core   +3 more sources

Optomechanically Induced Transparency in Optomechanical System with a Cubic Anharmonic Oscillator

open access: yesPhotonics, 2023
In this paper, we studied the optomechanically induced transparency (OMIT) in a cavity optomechanical system containing a cubic nonlinear oscillator. In our system, a partially transparent, dielectric membrane was placed in the middle of the F-P cavity ...
Weiyu Lv   +3 more
doaj   +1 more source

Modified Laplace transformation method and its application to the anharmonic oscillator

open access: yes, 1997
We apply a recently proposed approximation method to the evaluation of non-Gaussian integral and anharmonic oscillator. The method makes use of the truncated perturbation series by recasting it via the modified Laplace integral representation.
Balsa R.   +3 more
core   +1 more source

Unified Treatment of Even and Odd Anharmonic Oscillators of Arbitrary Degree [PDF]

open access: yes, 2009
We present a unified treatment, including higher-order corrections, of anharmonic oscillators of arbitrary even and odd degree. Our approach is based on a dispersion relation which takes advantage of the PT-symmetry of odd potentials for imaginary ...
Andrey Surzhykov   +3 more
core   +3 more sources

Generalized measure of quantum synchronization

open access: yesPhysical Review Research, 2020
We present a generalized information-theoretic measure of synchronization in quantum systems. This measure is applicable to dynamics of anharmonic oscillators, few-level atoms, and coupled oscillator networks.
Noufal Jaseem   +5 more
doaj   +1 more source

Quantum versus Semiclassical Description of Selftrapping: Anharmonic Effects

open access: yes, 1999
Selftrapping has been traditionally studied on the assumption that quasiparticles interact with harmonic phonons and that this interaction is linear in the displacement of the phonon.
A. R. Bishop   +18 more
core   +2 more sources

High Entropy Wide‐Bandgap Borates with Broadband Luminescence and Large Nonlinear Optical properties

open access: yesAdvanced Functional Materials, EarlyView.
High‐entropy rare‐earth borates exhibit excellent nonlinear optical and broadband luminescence properties arising from multi‐component doping, chemical disorder, increased configurational entropy, and increased lattice and electronic anharmonicity. This formulation enabled us to obtain a large, environmentally stable single crystal with 3X higher laser‐
Saugata Sarker   +14 more
wiley   +1 more source

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