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We study in detail coherent phase control of femtosecond resonance-mediated (2+1) three-photon absorption and its dependence on the spectral bandwidth of the excitation pulse. The regime is the weak-field regime of third perturbative order.…

原子物理 · 物理学 2007-11-28 Andrey Gandman , Lev Chuntonov , Leonid Rybak , Zohar Amitay

We demonstrate that a highly excited quantum electromagnetic mode strongly interacting with a single qubit exhibits several distinct resonances in addition to the Bloch-Siegert resonance condition that arises in the interaction with…

量子物理 · 物理学 2015-03-13 Omri Gat , Max Lein , Stefan Teufel

We extend an above barrier analysis made with the Schrodinger equation to the Dirac equation. We demonstrate the perfect agreement between the barrier results and back to back steps. This implies the existence of multiple (indeed infinite)…

高能物理 - 理论 · 物理学 2011-09-13 Stefano De Leo , Pietro Rotelli

A hybrid computational method of plane-wave and cylindrical-wave expansions for distributed Bragg-reflector (DBR) pillars is proposed. The plane-wave expansion is employed to represent the one-dimensional periodic structure of the DBR. The…

光学 · 物理学 2018-10-04 Tetsuyuki Ochiai

First we present an approach to formulate unbalanced three-phase power flow problems for general networks that explicitly separates device models and network models. A device model consists of (i) an internal model and (ii) a conversion…

最优化与控制 · 数学 2022-07-27 Steven H. Low

The reflection of a three-dimensional vectorial Maxwell-Gaussian beam by a planar surface is studied. The surface is characterized by its complex reflection coefficients $r_s(\bk)$ and $r_p(\bk)$ for TE and TM electromagnetic plane waves of…

光学 · 物理学 2007-11-15 Andrea Aiello , Han Woerdman

The third part of the paper is devoted to ray tracing in optical resonators. The employed method for dealing with the issue uses the elliptical or hyperbolic rotations that Wigner distributions associated with optical fields undergo during…

光学 · 物理学 2022-04-01 Pierre Pellat-Finet , Éric Fogret

In this work, we study a three-wave kinetic equation with resonance broadening arising from the theory of stratified ocean flows. Unlike Gamba-Smith-Tran(On the wave turbulence theory for stratified flows in the ocean, Math. Models Methods…

数学物理 · 物理学 2025-10-30 Young Ho Kim , Yuri V. Lvov , Leslie M. Smith , Minh-Binh Tran

We investigate by direct numerical simulation Rayleigh-B\'enard convection in a rotating rectangular cell with rotation vector and gravity perpendicular to each other. The flow is two dimensional near the onset of convection with convection…

流体动力学 · 物理学 2022-05-12 K. Lüdemann , A. Tilgner

Others have solved the Schr\"odinger equation for a one-dimensional model having a square potential barrier in free-space by requiring an incident and a reflected wave in the semi-infinite pre-barrier region, two opposing waves in the…

量子物理 · 物理学 2023-05-03 Mark J. Hagmann

This paper discusses the connection between the phase retrieval problem and permutation invariant embeddings. We show that the real phase retrieval problem for $\mathbb{R}^d/O(1)$ is equivalent to Euclidean embeddings of the quotient space…

泛函分析 · 数学 2023-10-31 Radu Balan , Efstratios Tsoukanis

The tunnel effect is considered here within the framework of electromagnetic propagation. The classical problem of a plane gap of dielectric, surrounded on both sides by a medium with larger refraction index, is studied in the case in which…

光学 · 物理学 2009-11-07 D. Mugnai

Resonance processes are common phenomena in multiscale (slow-fast) systems. In the present paper we consider capture into resonance and scattering on resonance in 3-D volume-preserving slow-fast systems. We propose a general theory of those…

混沌动力学 · 物理学 2015-06-26 D. L. Vainchtein , A. I. Neishtadt , I. Mezic

At numerical resolutions around $512^3$ and above, three-dimensional energy spectra from turbulence simulations begin to show noticeably shallower spectra than $k^{-5/3}$ near the dissipation wavenumber (`bottleneck effect'). This effect is…

天体物理学 · 物理学 2009-11-07 Wolfgang Dobler , Nils Erland L. Haugen , Tarek A. Yousef , Axel Brandenburg

In the data analysis of oscillatory systems, methods based on phase reconstruction are widely used to characterize phase-locking properties and inferring the phase dynamics. The main component in these studies is an extraction of the phase…

数据分析、统计与概率 · 物理学 2021-11-22 Erik Gengel , Arkady Pikovsky

Phase difference function is established by means of phase transfer function between time domains of source and interference point. The function reveals a necessary interrelation between outcome of two-beam interference, source's frequency…

光学 · 物理学 2007-05-23 Ji Luo

By taking into account the full four band energy spectrum, we calculate the transmission probability and conductance of electrons across symmetric and asymmetric double potential barrier with a confined interlayer potential difference in…

介观与纳米尺度物理 · 物理学 2014-01-22 Hasan A. Alshehab , Hocine Bahlouli , Abderrahim El Mouhafid , Ahmed Jellal

We present a study dealing with a novel phase reconstruction method based on iterated Hilbert transform embeddings. We show results for the Stuart-Landau oscillator observed by generic observables. The benefits for reconstruction of the…

数值分析 · 数学 2020-04-29 Erik Gengel , Arkady Pikovsky

We present a comprehensive analysis of wavenumber resonances or leaky modes associated with the Rayleigh operator in a half space containing a heterogeneous slab, being motivated by seismology. To this end, we introduce Jost solutions on an…

谱理论 · 数学 2024-01-15 Maarten V. de Hoop , Alexei Iantchenko

In this paper, the conditional phase distribution of the two-wave with diffuse power (TWDP) process is derived as a closed-form and as an infinite-series expression. For the obtained infinite series expression, a truncation analysis is…

信号处理 · 电气工程与系统科学 2025-02-06 Almir Maric , Pamela Njemcevic