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In ultra- and deep-strong cavity quantum electrodynamics (QED) systems, many intriguing phenomena that do not conserve the excitation number are expected to occur. In this study, we theoretically analyze the optical response of an…

Quantum Physics · Physics 2023-02-10 Kazuki Koshino , Tomohiro Shitara , Ziqiao Ao , Kouichi Semba

In atom optics a material structure is commonly regarded as an amplitude mask for atom waves. However, atomic diffraction patterns formed using material gratings indicate that material structures also operate as phase masks. In this study a…

Atomic Physics · Physics 2007-05-23 John D. Perreault , Alexander D. Cronin , T. A. Savas

Acoustic waves are dissipated when they pass through bubbly media. Dissipation by bubbles takes place through thermal damping (Td), radiation damping (Rd) and damping due to the friction of the liquid (Ld) and friction of the coating (Cd).…

Applied Physics · Physics 2024-05-29 A. J. Sojahrood , H. Haghi , N. R. Shirazi , R. Karshafian , M. C. Kolios

An accurate description of the photon spectrum line shape is essential for extracting resonance parameters of the $\eta_c$ meson through the radiative transition $J/\psi \to \gamma \eta_{c}$. However, a persistent challenge remains in the…

High Energy Physics - Phenomenology · Physics 2025-02-17 Ting Wang , Xiaolong Wang , Guangrui Liao , Kai Zhu

Studying the primary {\alpha}- and secondary {\beta}-relaxation process has contributed significantly to the understanding of the structure and rheology of metallic glasses. In this letter, we report on a third relaxation mechanism…

Materials Science · Physics 2017-03-28 Stefan Küchemann , Robert Maaß

A number of results for reactions involving subdiffusive species all with the same anomalous exponent gamma have recently appeared in the literature and can often be understood in terms of a subordination principle whereby time t in…

Statistical Mechanics · Physics 2009-11-11 S. B. Yuste , Katja Lindenberg

The interaction between an atom and the quantized electromagnetic field depends on the position of the atom. Then the atom experiences a force which is the minus gradient of this interaction. Through the Heisenberg equations of motion and…

Quantum Physics · Physics 2021-11-11 Li Ge

We explore the spatial features of various orders of Fraunhofer diffraction patterns in a four-level N-type atomic system. The system interacts with a weak probe light, a standing wave (SW) coupling field in the x-direction, and a…

Quantum Physics · Physics 2024-01-12 Seyyed Hossein Asadpour , Teodora Kirova , Hamid R. Hamedi , Reza Asgari

Polarizability plays an essential role in characterizing key phenomena, such as the screening effects, collective excitations, and dielectric functions present in the system. In three-dimensional materials, it typically comprises an…

Mesoscale and Nanoscale Physics · Physics 2025-10-15 Vivek Pandey , Snehasish Nandy , Pankaj Bhalla

Small amplitude oscillations are a commonly observed feature in prominences/filaments. These oscillations appear to be of local nature, are associated to the fine structure of prominence plasmas, and simultaneous flows and counterflows are…

Solar and Stellar Astrophysics · Physics 2015-05-18 I. Arregui , J. L. Ballester

A study of the $\lambda$- and $N$-atomic configurations under dipolar interaction with $2$ modes of electromagnetic radiation is presented. The corresponding quantum phase diagrams are obtained by means of a variational procedure. Both…

Quantum Physics · Physics 2016-07-06 S. Cordero , O. Castaños , R. López-Peña , E. Nahmad-Achar

We study orbital magnetism of a degenerate electron gas in a number of two-dimensional integrable systems, within linear response theory. There are three relevant energy scales: typical level spacing, the energy related to the inverse time…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 E. Gurevich , B. Shapiro

Upcoming multipetawatt laser facilities are capable of inducing effects of quantum electrodynamics (QED) in laser-plasma interaction such as strong radiation reaction and QED cascades, both of which can significantly influence the…

Plasma Physics · Physics 2024-12-10 A. Muraviev , A. Bashinov

The effect of ionized gas on the propagation of radio signals is known as plasma lensing. Unlike gravitational lensing, plasma lensing causes both magnification and strong de-magnification effects to background sources. We study the cross…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-15 Xinzhong Er , Jiangchuan Yu , Adam Rogers , Shihang Liu , Shude Mao

All the next-to-leading order contributions to the quasi-particle dispersion laws of a quark-gluon plasma which due to infrared singularities are sensitive to the magnetic-mass scale are calculated using Braaten-Pisarski resummation. These…

High Energy Physics - Phenomenology · Physics 2016-08-24 F. Flechsig , A. K. Rebhan , H. Schulz

When a contaminant diffuses on the surface of a nanomechanical resonator, the motions of the two become correlated. Despite being a high-order effect in the resonator-particle coupling, such correlations affect the system dynamics by…

Mesoscale and Nanoscale Physics · Physics 2016-03-15 Christin Rhén , Andreas Isacsson

We discuss the role of light absorption by pairs of atoms (radiative collisions) in the context of a model for an atom laser. The model is applied to the case of VSCPT cooling of metastable triplet helium. We show that, because of radiative…

atom-ph · Physics 2009-10-28 T. W. Hijmans , G. V. Shlyapnikov , A. L. Burin

We study unparticle physics effects in (Lambda_b -> Lambda + missing energy) decay with polarized $\Lambda_b$ and $\Lambda$ baryons. The sensitivity of the branching ratio of this decay and polarizations of (Lambda_b) and (Lambda) baryons…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. M. Aliev , M. Savci

The weak radiative decay of $D^0\to V\gamma$ with $V=\bar{K}^0$, and $\phi$, $\rho^0$, and $\omega$, is systematically studied in the vector meson dominance (VMD) model. It allows us to distinguish the short-distance mechanisms which can be…

High Energy Physics - Phenomenology · Physics 2023-11-10 Ye Cao , Qiang Zhao

Proton-$\gamma$ coincidences from $(\mathrm{d},\mathrm{p})$ reactions between a $^{66}\mathrm{Ni}$ beam and a deuterated polyethylene target have been analyzed with the inverse-Oslo method to find the nuclear level density (NLD) and…