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Related papers: Real-time vacancy concentration evolution revealed…

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Any measurement in condition monitoring applications is associated with disturbing noise. Till now, most of the diagnostic procedures have assumed the Gaussian distribution for the noise. This paper shares a novel perspective to the problem…

Microscale energy transport processes are crucial in microelectronics, energy harvesting devices, and emerging quantum materials. To study these processes, methods that can probe transport with conveniently tunable length scales are highly…

Materials Science · Physics 2022-01-05 Usama Choudhry , Taeyong Kim , Melanie Adams , Jeewan Ranasinghe , Runqing Yang , Bolin Liao

We theoretically propose a new approach to in-situ monitor the altered states of pixels in VO2 based active THz amplitude metagrating by using surface acoustic waves (SAWs) generated in LiNbO3 substrate. A single broadband RF response of…

Optics · Physics 2025-12-10 G. Y. Karapetyan , M. V. Ochkurov , V. E. Kaydashev

Neutron irradiation induces in steels nanostructural changes, which are at the origin of the mechanical degradation that these materials experience during operation in nuclear power plants. Some of these effects can be studied by using as…

Materials Science · Physics 2013-08-20 Ville Jansson , Lorenzo Malerba

The decay of inner-shell vacancy in an atom through radiative and non-radiative transitions leads to final charged ions. The de-excitation decay of 3s, 3p and 3d vacancies in Kr atoms are calculated using Monte-Carlo simulation method. The…

Atomic Physics · Physics 2008-04-24 Yehia A. Lotfy , Adel M. El-Shemi

Surface acoustic waves (SAWs) are excited by femtosecond extreme ultraviolet (EUV) transient gratings (TGs) in a room-temperature ferrimagnetic DyCo$_5$ alloy. TGs are generated by crossing a pair of EUV pulses from a free electron laser…

We present model simulations of time-variable infrared (IR) emission from dust as a consequence of variability of the incident radiation. For that we introduce a generalized treatment for temperature variations in a dusty environment, which…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Sebastian F. Hoenig , Makoto Kishimoto

The layout of a new instrument designed to study the interaction of highly charged ions with surfaces, which consists of an ion source, a beamline including charge separation and a target chamber, is presented here. By varying the charge…

Instrumentation and Detectors · Physics 2009-11-13 Thorsten Peters , Christian Haake , Johannes Hopster , Valentin Sokolovsky , Andreas Wucher , Marika Schleberger

Main-sequence intermediate-mass stars present a radiative envelope that supports internal gravity waves (IGWs). Excited at the boundary with the convective core, IGWs propagate towards the stellar surface and are suspected to impact…

Solar and Stellar Astrophysics · Physics 2023-04-26 A. Le Saux , I. Baraffe , T. Guillet , D. G. Vlaykov , A. Morison , J. Pratt , T. Constantino , T. Goffrey

The determination of chemical abundances in ionized gas nebulae is based on the detection of auroral emission lines, from which it is possible to deduce the line temperatures of several ions. These lines are weak in low excitation objects,…

Astrophysics · Physics 2007-05-23 Enrique Perez-Montero , Marcelo Castellanos , Angeles I. Diaz

X-ray reflectivity (XRR) measurements of femtosecond laser-induced transient gratings are applied to demonstrate the spatio-temporal coherent control of thermally induced surface deformations on ultrafast timescales. Using gracing incidence…

Transient grating spectroscopy (TGS) is a material characterization technique based on laser-induced thermoelastic excitation of thermal and acoustic gratings. On opaque samples, these gratings are dynamic surface displacements that reflect…

Materials Science · Physics 2026-05-01 Jakub Kušnír , Tomáš Grabec , Petr Sedlák , Pavla Stoklasová , Hanuš Seiner

The revolution of helio- and asteroseismology provides access to the detailed properties of stellar interiors by studying the star's oscillation modes. Among them, gravity (g) modes are formed by constructive interferences between…

Solar and Stellar Astrophysics · Physics 2015-09-23 L. Alvan , A. Strugarek , A. S. Brun , S. Mathis , R. A. Garcia

We have studied terahertz (THz) emission from arsenic-ion implanted GaAs both experimentally and using a three-dimensional carrier dynamics simulation. A uniform density of vacancies was formed over the optical absorption depth of bulk GaAs…

Materials Science · Physics 2007-05-23 J. Lloyd-Hughes , E. Castro-Camus , M. D. Fraser , C. Jagadish , M. B. Johnston

Taking the 3-3-1 models (with $SU(3)_c \otimes SU(3)_L \otimes U(1)_Y$ gauge group) as examples, we study that a class of new physics models with extended gauge group could undergo one or several first-order phase transitions associated…

High Energy Physics - Phenomenology · Physics 2018-12-03 Fa Peng Huang , Xinmin Zhang

Photographs captured in unstructured tourist environments frequently exhibit variable appearances and transient occlusions, challenging accurate scene reconstruction and inducing artifacts in novel view synthesis. Although prior approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Jiacong Xu , Yiqun Mei , Vishal M. Patel

We study the properties of internal gravity waves (IGWs) detected in synthetic observations that are obtained from realistic numerical simulation of the solar atmosphere. We used four different simulations of the solar magneto-convection…

Solar and Stellar Astrophysics · Physics 2020-01-29 G. Vigeesh , M. Roth

The Isochronous Mass Spectrometry (IMS) based on storage rings is a powerful technique for mass measurement of short-lived exotic nuclei. The transition energy $\gamma_t$ of the storage ring is a vital parameter of the IMS technique. It is…

In inertial confinement fusion (ICF), Thomson scattering (TS) is a widely used diagnostic technique for probing plasma conditions. We present a first-principles numerical approach to obtaining scattered light signals of ion acoustic…

Relic gravitational waves (RGWs) generated in the early Universe form a stochastic GW background, which can be directly probed by measuring the timing residuals of millisecond pulsars. In this paper, we investigate the constraints on the…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-27 Xiao-Jin Liu , Wen Zhao , Yang Zhang , Zong-Hong Zhu