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This paper elucidates the dual structure of the Schr\"{o}dinger dynamics in two correlated stages: (1) We first derive the real-valued Schr\"{o}dinger equation from scratch without referring to classical mechanics, wave mechanics, nor…

量子物理 · 物理学 2025-08-08 Kazuo Takatsuka

A formulation of quantum electrodynamics is given that applies to atoms in a strong laser field by perturbation theory in a non-relativistic regime. Dipole approximation is assumed. The dual Dyson series, here discussed by referring it to…

量子物理 · 物理学 2007-05-23 Marco Frasca

Recently, light-assisted nanofabrication have been introduced, such as the synthesis of quantum dots using photo-induced desorption that yields reduced size fluctuations, or metal sputtering under light illumination resulting in…

介观与纳米尺度物理 · 物理学 2013-04-22 Makoto Naruse , Yang Liu , Wataru Nomura , Takashi Yatsui , Masaki Aida , Laszlo B. Kish , Motoichi Ohtsu

We study theoretically the simultaneous, photo-induced two-particle excitations of strongly correlated systems on the basis of the Hubbard model. Under certain conditions specified in this work, the corre- sponding transition probability is…

强关联电子 · 物理学 2015-05-18 B. D. Napitu , J. Berakdar

We consider the derivation of the defocusing cubic nonlinear Schr\"{o}dinger equation (NLS) on $\mathbb{R}^{3}$ from quantum $N$-body dynamics. We reformat the hierarchy approach with Klainerman-Machedon theory and prove a bi-scattering…

偏微分方程分析 · 数学 2022-06-01 Xuwen Chen , Justin Holmer

A theory is formulated for time dependent fluctuations of the spectrum of a single molecule in a dynamic environment. In particular, we investigate the photon counting statistics of a single molecule undergoing a spectral diffusion process.…

统计力学 · 物理学 2007-05-23 YounJoon Jung , Eli Barkai , Robert J. Silbey

In strong-field physics and attosecond science, intense light induces ultrafast electron dynamics. Such ultrafast dynamics of electrons in matter is at the core of phenomena such as high harmonic generation (HHG), where these dynamics lead…

We prove that the solution of the Hudson-Parthasarathy quantum stochastic differential equation in the Fock space coincides with the solution of a symmetric boundary value problem for the Schr\"odinger equation in the interaction…

funct-an · 数学 2008-02-03 Alexander M. Chebotarev

Precise modeling of extended sources is a central challenge in modern optical engineering, laser physics, and computational lithography. Unlike ideal point sources or completely incoherent thermal radiation sources, real-world light sources…

光学 · 物理学 2025-12-09 Rongqi Shang , Donglin Ma

Raman scattering from a great number of phonon modes is described from a quantum-statistical point of view within the standing-wave model. The master equation for the completely quantum case, including laser pump depletion and stochastic…

量子物理 · 物理学 2011-10-25 Adam Miranowicz , Stanislaw Kielich

A recently introduced theoretical framework for modeling the dynamics of X-ray amplified spontaneous emission is based on stochastic sampling of the density matrix of quantum emitters and the radiation field, similarly to other phase-space…

光学 · 物理学 2024-06-17 Stasis Chuchurka , Vladislav Sukharnikov , Nina Rohringer

Photonic quantum emulator utilizes photons to emulate the quantum physical behavior of a complex quantum system. Recent study in spatiotemporal optics has enriched the toolbox for designing and manipulating complex spatiotemporal optical…

光学 · 物理学 2025-03-21 Qian Cao , Nianjia Zhang , Andy Chong , Qiwen Zhan

We consider a simple model of lossless interaction between a two-level single atom and a standing-wave single-mode laser field which creates a one-dimensional optical lattice. Internal dynamics of the atom is governed by the laser field…

量子物理 · 物理学 2011-11-09 V. Yu. Argonov , S. V. Prants

Starting from an experimentally feasible atomic setup, we derive a stochastic Schr\"{o}dinger equation that captures the homodyne detection record of a strongly interacting system. Applying the rotating wave approximation to the linear…

量子物理 · 物理学 2026-03-25 Aniket Patra , Felix Motzoi , Klaus Mølmer

Within the framework of stochastic electrodynamics we derive the noise spectrum of a laser beam reflected from a suspended mirror. The electromagnetic field follows Maxwell's equations and is described by a deterministic part that accounts…

Probabilities of photon counts at the output of a multiport optical device are generalised for optical sources of arbitrary quantum states in partially distinguishable optical modes. For the single-mode photon sources, the generating…

量子物理 · 物理学 2017-12-20 Valery Shchesnovich

High-harmonic generation is a light up-conversion process occurring in a strong laser field, leading to coherent bursts of extreme ultrashort broadband radiation [1]. As a new perspective, we propose that ultrafast strong-field electronic…

Ultrafast strong-field laser--plasma physics is shown to offer a promising framework for relativistic nonlinear quantum electrodynamics (QED). As one of its key advantages, this approach to relativistic nonlinear QED does not require an…

等离子体物理 · 物理学 2026-04-23 Vedin Dewan , Aleksei M. Zheltikov , Julia M. Mikhailova

We introduce a versatile platform for studying nonlinear out-of-equilibrium physics. The platform is based on a slow light setup where an optical waveguide is interfaced with cold atoms to realize the driven nonlinear Schr\"odinger equation…

量子物理 · 物理学 2015-03-20 Priyam Das , Changsuk Noh , Dimitris G. Angelakis

The observation of quantum dot resonance fluorescence enabled a new solid-state approach to generating single photons with a bandwidth almost as narrow as the natural linewidth of a quantum dot transition. Here, we operate in the Heitler…

量子物理 · 物理学 2012-07-20 Clemens Matthiesen , Anthony Nickolas Vamivakas , Mete Atature