Results 51 to 60 of about 162,690 (325)

Quantum Harmonic Oscillator State Control in a Squeezed Fock Basis. [PDF]

open access: yesPhysical Review Letters, 2016
We demonstrate control of a trapped-ion quantum harmonic oscillator in a squeezed Fock state basis, using engineered Hamiltonians analogous to the Jaynes-Cummings and anti-Jaynes-Cummings forms. We demonstrate that for squeezed Fock states with low n the
D. Kienzler   +5 more
semanticscholar   +1 more source

Unitary relations in time-dependent harmonic oscillators [PDF]

open access: yes, 1999
For a harmonic oscillator with time-dependent (positive) mass and frequency, an unitary operator is shown to transform the quantum states of the system to those of a harmonic oscillator system of unit mass and time-dependent frequency, as well as ...
Caldirola P   +18 more
core   +2 more sources

ABC of ladder operators for rationally extended quantum harmonic oscillator systems [PDF]

open access: yes, 2017
The problem of construction of ladder operators for rationally extended quantum harmonic oscillator (REQHO) systems of a general form is investigated in the light of existence of different schemes of the Darboux–Crum–Krein–Adler transformations by which ...
J. Cariñena, M. Plyushchay
semanticscholar   +1 more source

Pure Gaussian states from quantum harmonic oscillator chains with a single local dissipative process [PDF]

open access: yesarXiv.org, 2016
We study the preparation of entangled pure Gaussian states via reservoir engineering. In particular, we consider a chain consisting of (2ℵ+1) quantum harmonic oscillators where the central oscillator of the chain is coupled to a single reservoir. We then
Shan Ma   +3 more
semanticscholar   +1 more source

Exact Master Equation and Quantum Decoherence of Two Coupled Harmonic Oscillators in a General Environment [PDF]

open access: yes, 2007
In this paper we derive an exact master equation for two coupled quantum harmonic oscillators interacting via bilinear coupling with a common environment at arbitrary temperature made up of many harmonic oscillators with a general spectral density ...
B. L. Hu   +5 more
core   +2 more sources

Density Profiles, Energy, and Oscillation Strength of a Quantum Dot in Two Dimensions with a Harmonic Oscillator External Potential using an Orbital-free Energy Functional Based on Thomas–Fermi Theory

open access: yesMakara Journal of Science, 2016
This research aims i) to determine the density profile and calculate the ground state energy of a quantum dot in two dimensions (2D) with a harmonic oscillator potential using orbital-free density functional theory, and ii) to understand the effect of ...
Suhufa Alfarisa   +2 more
doaj   +1 more source

High-fidelity quantum information transmission using a room-temperature nonrefrigerated lossy microwave waveguide

open access: yesScientific Reports, 2022
Quantum microwave transmission is key to realizing modular superconducting quantum computers and distributed quantum networks. A large number of incoherent photons are thermally generated within the microwave frequency spectrum.
Montasir Qasymeh, Hichem Eleuch
doaj   +1 more source

Lissajous curves and semiclassical theory: The two-dimensional harmonic oscillator [PDF]

open access: yes, 2006
The semiclassical treatment of the two-dimensional harmonic oscillator provides an instructive example of the relation between classical motion and the quantum mechanical energy spectrum.
Brack M.   +5 more
core   +2 more sources

Exact diagonalization of the D-dimensional spatially confined quantum harmonic oscillator [PDF]

open access: yesKragujevac Journal of Science, 2016
In the existing literature various numerical techniques have been developed to quantize the confined harmonic oscillator in higher dimensions. In obtaining the energy eigenvalues, such methods often involve indirect approaches such as searching for the ...
Kunle Adegoke   +4 more
doaj   +1 more source

Information entropic measures of a quantum harmonic oscillator in symmetric and asymmetric confinement within an impenetrable box [PDF]

open access: yes, 2016
Information‐based uncertainty measures like Shannon entropy, Onicescu energy and Fisher information (in position and momentum space) are employed to understand the effect of symmetric and asymmetric confinement in a quantum harmonic oscillator. Also, the
Abhisek Ghosal   +2 more
semanticscholar   +1 more source

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