Results 31 to 40 of about 16,048 (167)

The Role of Vacuum Fluctuations and Symmetry in the Hydrogen Atom in Quantum Mechanics and Stochastic Electrodynamics

open access: yesAtoms, 2019
Stochastic Electrodynamics (SED) has had success modeling black body radiation, the harmonic oscillator, the Casimir effect, van der Waals forces, diamagnetism, and uniform acceleration of electrodynamic systems using the stochastic zero-point ...
G. Jordan Maclay
doaj   +1 more source

Assessment of weak-coupling approximations on a driven two-level system under dissipation

open access: yesNew Journal of Physics, 2021
The standard weak-coupling approximations associated to open quantum systems have been extensively used in the description of a two-level quantum system, qubit, subjected to relatively weak dissipation compared with the qubit frequency.
W S Teixeira   +3 more
doaj   +1 more source

Simulation of the hydrogen ground state in stochastic electrodynamics [PDF]

open access: yesPhysica Scripta, 2015
20 pages, 9 figures.
Nieuwenhuizen, T.M., Liska, M.T.P.
openaire   +4 more sources

Spontaneous dressed-state polarization in the strong driving regime of cavity QED [PDF]

open access: yes, 2009
We utilize high-bandwidth phase quadrature homodyne measurement of the light transmitted through a Fabry-Perot cavity, driven strongly and on resonance, to detect excess phase noise induced by a single intracavity atom.
Anthony E. Miller   +5 more
core   +2 more sources

From Stochastic Optics to theWigner Formalism: The Role of the Vacuum Field in Optical Quantum Communication Experiments

open access: yesAtoms, 2019
TheWigner formalism in the Heisenberg picture constitutes a bridge that connects QuantumOptics to Stochastic Optics. The vacuum field appears explicitly in the formalism, and the wavelikeaspects of light are emphasised.
Alberto Casado   +2 more
doaj   +1 more source

Two loop stress-energy tensor for inflationary scalar electrodynamics

open access: yes, 2008
We calculate the expectation value of the coincident product of two field strength tensors at two loop order in scalar electrodynamics on de Sitter background. The result agrees with the stochastic formulation which we have developed in a companion paper
A. A. Starobinsky   +8 more
core   +1 more source

Vacuum fluctuations and the conditional homodyne detection of squeezed light

open access: yes, 2004
Conditional homodyne detection of quadrature squeezing is compared with standard nonconditional detection. Whereas the latter identifies nonclassicality in a quantitative way, as a reduction of the noise power below the shot noise level, conditional ...
Bowen W P   +20 more
core   +1 more source

Inflation of universe due to nonlinear electrodynamics

open access: yes, 2017
A model of nonlinear electrodynamics with a dimensional parameter $\beta$ is considered. Electromagnetic fields are the source of the gravitation field and inflation of the universe. We imply that the universe is filled by stochastic magnetic fields.
Kruglov, S. I.
core   +1 more source

Supercritical Angle Fluorescence and Raman Techniques in Biophotonics

open access: yesLaser &Photonics Reviews, EarlyView.
Supercritical angle fluorescence (SAF) microscopy and supercritical angle Raman (SAR) spectroscopy have emerged as powerful tools in the field of biophotonics, enabling high‐resolution imaging and spectroscopy of biological specimens near interfaces. This review article provides a comprehensive overview of the principles, techniques, applications, and ...
Subir Das   +2 more
wiley   +1 more source

Nonlinear Electromagnetic Fields As a Source of Universe Acceleration

open access: yes, 2016
A model of nonlinear electromagnetic fields with a dimensional parameter $\beta$ is proposed. From PVLAS experiment the bound on the parameter $\beta$ was obtained.
Kruglov, S. I.
core   +1 more source

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