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Beyond the rotating wave approximation. An intensity dependent nonlinear coupling model in two-level systems
(Elsevier Science, 2010-03)
An intensity dependent nonlinear coupling model of a two-level system interacting with a bimodal cavity field via two-photon transitions is investigated in a scenario where the rotating wave approximation is lifted. The ...
Quantum bits and superposition of displaced fock states of the cavity field
(Revista Mexicana de Física, 2009)
The breaking of transience inertio-gravity waves in a shear flow using the Gaussian beam approximation.
(Cambridge University Press, 2014-11)
The propagation of transient inertio-gravity waves in a shear flow is examined using the Gaussian beam formulation. This formulation assumes Gaussian wavepackets in the spectral space and uses a second-order Taylor expansion ...
Anisotropic complex Padeacute hybrid finite-difference depth migration
(Soc Exploration GeophysicistsTulsaEUA, 2010)
Plasma Waves Around Massive Stars in (3+1)-General Relativistic Magnetohydrodynamics
(2022-06-01)
In this article, the propagation of plasma waves around rotating and non-rotating stars is studied in a TPM (Thorne-Price-Macdonald) (3+1)-general relativistic magnetohydrodynamics (GRMHD) formalism. For more simplicity, ...
Quantifying resonant and near-resonant interactions in rotating turbulence
(Cambridge University Press, 2016-11)
Nonlinear triadic interactions are at the heart of our understanding of turbulence. In flows where waves are present, modes must not only be in a triad to interact, but their frequencies must also satisfy an extra condition: ...
Inverse cascades and resonant triads in rotating and stratified turbulence
(American Institute of Physics, 2017-11)
Kraichnan’s seminal ideas on inverse cascades yielded new tools to study common phenomena in geophysical turbulent flows. In the atmosphere and the oceans, rotation and stratification result in a flow that can be approximated ...
Thermal phase transition for some spin-boson models
(2013-09-01)
In this work we study two different spin-boson models. Such models are generalizations of the Dicke model, it means they describe systems of N identical two-level atoms coupled to a single-mode quantized bosonic field, ...
Inverse cascades in rotating stratified turbulence: Fast growth of large scales
(IOP Publishing, 2013-05)
We examine the inverse cascade of kinetic energy to large scales in rotating stratified turbulence as occurs in the oceans and in the atmosphere, while varying the relative frequency of gravity to inertial waves, N/f. Using ...
Influence of transducer orientation on shear wave velocity measurements of the iliotibial band
(2021-05-07)
Tissue anisotropy influences estimation of mechanical properties of connective tissues, such as the iliotibial band (ITB). This study investigated the influence of ultrasound transducer rotation and tilt on shear wave ...