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The significance of laser-driven polarized beam acceleration has been increasingly recognized in recent years. We propose an efficient method for generating polarized proton beams from a pre-polarized hydrogen halide gas jet, utilizing…

Plasma Physics · Physics 2025-05-06 Zhikun Zou , Gan Guo , Meng Wen , Bin Liu , Xue Yan , Yangjié Liu , Luling Jin

Many materials have distinct spectral profiles. This facilitates estimation of the material composition of a scene at each pixel by first acquiring its hyperspectral image, and subsequently filtering it using a bank of spectral profiles.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Vishwanath Saragadam , Aswin C. Sankaranarayanan

The variation after projection (VAP) method is expected to be an efficient way of getting the optimized nuclear wave functions, so that they can be as close as possible to the exact shell model ones. However, we found there are two…

Nuclear Theory · Physics 2023-06-21 Xiao Lu , Zhan-Jiang Lian , Xue-Wei Li , Zao-Chun Gao , Yong-Shou Chen

We present a method for performing Principal Component Analysis (PCA) on noisy datasets with missing values. Estimates of the measurement error are used to weight the input data such that compared to classic PCA, the resulting eigenvectors…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Stephen Bailey

Recently, universal waveform generation tasks have been investigated conditioned on various out-of-distribution scenarios. Although GAN-based methods have shown their strength in fast waveform generation, they are vulnerable to…

Sound · Computer Science 2024-08-15 Sang-Hoon Lee , Ha-Yeong Choi , Seong-Whan Lee

Passive acoustic mapping (PAM) is a key imaging technique for characterizing cavitation activity in therapeutic ultrasound applications. Recent model-based beamforming algorithms offer high reconstruction quality and strong physical…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Tatiana Gelvez-Barrera , Barbara Nicolas , Bruno Gilles , Adrian Basarab , Denis Kouamé

A mixed basis all-electron full-potential method, which uses two kinds of augmented waves, the augmented plane waves and the muffin-tin orbitals simultaneously, in addition to the local orbitals, was proposed by Kotani and van Schilfgaarde…

Materials Science · Physics 2015-02-10 Takao Kotani , Hiori Kino , Hisazumi Akai

The mass composition of high energy cosmic rays above $10^{17}$ eV is a crucial issue to solve some open questions in astrophysics such as the acceleration and propagation mechanisms. Unfortunately, the standard procedures to identify the…

Astrophysics · Physics 2008-11-26 F. Catalani , J. A. Chinellato , V. de Souza , J. Takahashi , G. M. S. Vasconcelos

The performance of basis sets made of numerical atomic orbitals is explored in density-functional calculations of solids and molecules. With the aim of optimizing basis quality while maintaining strict localization of the orbitals, as…

Materials Science · Physics 2009-11-07 Javier Junquera , Oscar Paz , Daniel Sanchez-Portal , Emilio Artacho

The Disk Loaded Waveguide (DLW) is the mostly used high frequency structure for acceleration of lightweight particles - electrons in the high energy range. In some physical experiments acceleration of more heavy particles - muons to medium…

Accelerator Physics · Physics 2013-09-02 V. Paramonov

Bulk Acoustic Wave (BAW) filters find applications in radio frequency (RF) communication systems for Wi-Fi, 3G, 4G, and 5G networks. In the beyond-5G (potential 6G) era, high frequency bands (>8 GHz) are expected to require resonators with…

Atom interferometers are sensitive to a wide range of forces by encoding their signals in interference patterns of matter waves. To estimate the magnitude of these forces, the underlying phase shifts they imprint on the atoms must be…

Data-driven interatomic potentials have emerged as a powerful class of surrogate models for {\it ab initio} potential energy surfaces that are able to reliably predict macroscopic properties with experimental accuracy. In generating…

Computational Physics · Physics 2022-11-09 Cas van der Oord , Matthias Sachs , Dávid Péter Kovács , Christoph Ortner , Gábor Csányi

First-principles molecular dynamics simulations based on density-functional theory and the projector augmented wave (PAW) technique have been used to study the structural and dynamical properties of liquid iron under Earth's core…

Condensed Matter · Physics 2009-10-31 D. Alfe` , G. Kresse , M. J. Gillan

Nuclear data libraries serve as the foundation for all calculations in the nuclear field. Their quality directly affects the accuracy of computations. When new nuclear data libraries are released, they must undergo validation through the…

Nuclear Experiment · Physics 2025-09-25 Benjamin Arthur Hugo Meunier

Nonlinear, relativistic longitudinal waves with sub-luminal phase velocity $v_p$ are the basis of plasma-based electron accelerators. For such application, key properties of the wave are the maximum or ``wave breaking'' amplitude and the…

Plasma Physics · Physics 2019-07-03 A. Macchi

Polarized atomic ensembles play a crucial role in precision measurements. We demonstrate a novel method of creating atomic polarization in an alkali vapor in a continuous-wave regime. The method relies on a combination of optical pumping by…

Atomic Physics · Physics 2021-10-22 A. Tretiakov , C. A. Potts , Y. Y. Lu , J. P. Davis , L. J. LeBlanc

The ability to generate physically plausible ensembles of variable sources is critical to the optimization of time-domain survey cadences and the training of classification models on datasets with few to no labels. Traditional data…

Instrumentation and Methods for Astrophysics · Physics 2020-05-19 Jorge Martínez-Palomera , Joshua S. Bloom , Ellianna S. Abrahams

An ultrafast paralell data processor is described in which amplitude mode excitations of a charge density wave (CDW) are used to encode data on the surface of a 1-T TaS_2 crystal. The data are written, manipulated and read using parallel…

Strongly Correlated Electrons · Physics 2009-11-07 D. Mihailovic , D. Dvorsek , V. V. Kabanov , J. Demsar , L. Forro , H. Berger

This report summarizes laboratory measurements of atomic wavelengths, energy levels, hyperfine and isotope structure, energy level lifetimes, and oscillator strengths. Theoretical calculations of lifetimes and oscillator strengths are also…

Atomic Physics · Physics 2015-10-30 Gillian Nave , Sultana Nahar , Gang Zhao