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Related papers: Real-time vacancy concentration evolution revealed…

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Tsunamis can trigger internal gravity waves (IGWs) in the ionosphere, perturbing the Total Electron Content (TEC) - referred to as Traveling Ionospheric Disturbances (TIDs) that are detectable through the Global Navigation Satellite System…

Machine Learning · Computer Science 2023-08-10 Valentino Constantinou , Michela Ravanelli , Hamlin Liu , Jacob Bortnik

We report on all-optical generation and detection of high-frequency (up to about 30 GHz) surface acoustic waves (SAWs) in GaAs/AlGaAs heterostructures with short-period Au gratings on top. A highly sensitive method for SAW detection is…

The Isochronous Mass Spectrometry (IMS) is a powerful technique developed in heavy-ion storage rings for measuring masses of very short-lived exotic nuclei. The IMS is based on the isochronous setting of the ring. One of the main parameters…

Superradiant instability of ultralight bosons can produce clouds around rotating black holes, whose continuous gravitational wave (GW) emission is a promising observational target. Precise predictions of the signal frequency and its…

General Relativity and Quantum Cosmology · Physics 2026-04-24 Takuya Takahashi

Copper binary compounds are often intrinsic p-type semiconductors due to the presence of Cu(I) vacancies, with corresponding hole carriers in the valence band. If the free carrier concentration is high enough, localized plasmon resonances…

Materials Science · Physics 2020-07-31 Giovanni Bertoni , Rosaria Brescia , Luca De Trizio , Liberato Manna , Quentin Ramasse

A one-dimensional Particle-In-Cell Monte Carlo Collisions (PIC-MCC) method has been used to model the development and propagation of ionization waves in neon and argon positive columns. Low current conditions are considered, i.e. conditions…

Plasma Physics · Physics 2022-02-08 J. Boeuf

Wide-field gamma-ray telescopes typically have highly variable event-by-event resolution which leads to a number of unique and challenging analysis requirements -- particularly when conducting transient searches over multiple time scales.…

Astrophysics · Physics 2015-06-24 M. F. Morales , D. A. Williams , T. DeYoung

We observed rapid variability ($\lesssim 60$ s) at the footpoints of transient hot ($\sim 8-10$ MK) coronal loops in active region cores, with the Interface Region Imaging Spectrograph (IRIS). The high spatial ($\sim 0.33$ arcsec) and…

Solar and Stellar Astrophysics · Physics 2020-02-12 Paola Testa , Vanessa Polito , Bart De Pontieu

In order to evaluate the response to cosmic-ray nuclei of a Compton-Scatter Transition Radiation Detector in the proposed ACCESS space-based mission, a hybrid Monte Carlo simulation using GEANT3 and an external transition radiation (TR)…

Instrumentation and Detectors · Physics 2009-11-11 John F. Krizmanic , Michael L. Cherry , Robert E. Streitmatter

Tungsten is a promising candidate material for plasma-facing armour components in future fusion reactors. A key concern is irradiation-induced degradation of its normally excellent thermal transport properties. In this comprehensive study,…

Materials Science · Physics 2021-11-16 Abdallah Reza , Guanze He , Cody A. Dennett , Hongbing Yu , Kenichiro Mizohata , Felix Hofmann

We demonstrate observational evidence for the occurrence of convectively driven internal gravity waves (IGW) in young massive O-type stars observed with high-precision CoRoT space photometry. This evidence results from a comparison between…

Solar and Stellar Astrophysics · Physics 2015-06-02 C. Aerts , T. M. Rogers

Weak lensing studies via cosmic voids are a promising probe of Modified Gravity (MG). Excess surface mass density (ESD) is widely used as a lensing statistic in weak lensing research. In this paper, we use the ray-tracing method to study…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-12 Chen Su , Huanyuan Shan , Jiajun Zhang , Cheng Zhao , Jiaxi Yu , Qiao Wang , Linfeng Xiao , Xiangkun Liu , An Zhao

Through numerical simulations, it is predicted that the gravitational waves (GWs) reflect the characteristics of the core-collapse supernova (CCSN) explosion mechanism. There are multiple GW excitation processes that occur inside a star…

High Energy Astrophysical Phenomena · Physics 2021-10-20 M. Takeda , Y. Hiranuma , N. Kanda , K. Kotake , T. Kuroda , R. Negishi , K. Oohara , K. Sakai , Y. Sakai , T. Sawada , H. Takahashi , S. Tsuchida , Y. Watanabe , T. Yokozawa

Strong field transient grating spectroscopy has shown to be a very versatile tool in time-resolved molecular spectroscopy. Here we use this technique to investigate the high-order harmonic generation from SF6 molecules vibrationally excited…

The use of energy flow is investigated as a diagnostic tool for determining the color SU(3) representation of new resonances. It is found that the pattern of soft gluon radiation into a rapidity gap depends on color flow in the hard…

High Energy Physics - Phenomenology · Physics 2009-11-30 Ilmo Sung

Internal gravity waves (IGWs) have been shown to contribute to the transport of chemical elements in stars with a convective core and radiative envelope. Recent 2D hydrodynamical simulations of convection in intermediate-mass stars have…

Solar and Stellar Astrophysics · Physics 2025-03-26 J. S. G. Mombarg , A. Varghese , R. P. Ratnasingam

Understanding the diffusion of oxygen vacancies in oxides under different external stimuli is crucial for the design of ion-based electronic devices, improve catalytic performance, etc. In this manuscript, using an external electric field…

Materials Science · Physics 2018-07-04 Lucía Iglesias , Andrés Gómez , Martí Gich , Francisco Rivadulla

Understanding how star formation is regulated requires studying the energy balance between turbulence, magnetic fields, stellar feedback, and gravity within molecular clouds. However, identifying the transition region where the gravity…

Astrophysics of Galaxies · Physics 2020-07-22 Yue Hu , Alex Lazarian , Ka Ho Yuen

Gravitational waves (GWs) are direct probes of cosmological gravity, sensitive to space-time inhomogeneities along their propagation. The presence of massive objects breaks homogeneity and isotropy, allowing for new interactions between…

General Relativity and Quantum Cosmology · Physics 2025-11-12 Nicola Menadeo , Serena Giardino , Miguel Zumalacárregui

Ion computed tomography (iCT) is an imaging modality for the direct determination of the relative stopping power (RSP) distribution within a patient's body. Usually, this is done by estimating the path and energy loss of ions traversing the…