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The cosmic expansion rate can be directly measured with gravitational-wave (GW) data of the compact binary mergers by jointly constraining the mass function of the population and the cosmological model via the so-called spectral sirens.…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-12 Yin-Jie Li , Shao-Peng Tang , Yuan-Zhu Wang , Yi-Zhong Fan

Given the incomplete sampling of spatial frequencies by radio interferometers, achieving precise restoration of astrophysical information remains challenging. To address this ill-posed problem, compressive sensing(CS) provides a robust…

Instrumentation and Methods for Astrophysics · Physics 2025-05-09 Lei Yu , Bin Liu , Cheng-Jin Jin , Ru-Rong Chen , Hong-Wei Xi , Bo Peng

The single particle spectral-weight function (SWF) of the ionic Hubbard model at half filling is calculated in the cluster perturbation theory approximation. An abrupt change of regime in the low-energy region, near the chemical potential,…

Strongly Correlated Electrons · Physics 2016-08-31 M. C. Refolio , J. M. Lopez Sancho , J. Rubio , J. A. Verges

The bootstrap program for 1+1-dimensional integrable Quantum Field Theories (QFT's) is developed to a large extent for the Homogeneous sine-Gordon (HSG) models. This program can be divided into various steps, which include the computation…

High Energy Physics - Theory · Physics 2007-05-23 Olalla A. Castro-Alvaredo

Aims: Detecting diffuse synchrotron emission from the cosmic web is still a challenge for current radio telescopes. We aim to make predictions about the detectability of cosmic web filaments from simulations. Methods: We present the first…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-18 Ludwig M. Böss , Klaus Dolag , Ulrich P. Steinwandel , Elena Hernández-Martínez , Ildar Khabibullin , Benjamin Seidel , Jenny G. Sorce

The extraction of the relative abundances of short-range correlated (SRC) nucleon pairs from inclusive electron scattering is studied using the generalized contact formalism (GCF) with several nuclear interaction models. GCF calculations…

Nuclear Theory · Physics 2021-03-24 R. Weiss , A. W. Denniston , J. R. Pybus , O. Hen , E. Piasetzky , A. Schmidt , L. B. Weinstein , N. Barnea

We present an embedding scheme for periodic systems that facilitates the treatment of the physically important part (here the unit cell) with advanced electronic-structure methods, that are computationally too expensive for periodic…

Materials Science · Physics 2016-04-08 Wael Chibani , Xinguo Ren , Matthias Scheffler , Patrick Rinke

Accurate depth estimation is crucial for many fields, including robotics, navigation, and medical imaging. However, conventional depth sensors often produce low-resolution (LR) depth maps, making detailed scene perception challenging. To…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Athanasios Tragakis , Chaitanya Kaul , Kevin J. Mitchell , Hang Dai , Roderick Murray-Smith , Daniele Faccio

We present an ab initio theory of core- and valence resonant inelastic x-ray scattering (RIXS) based on a real-space multiple scattering Green's function formalism and a quasi-boson model Hamiltonian. Simplifying assumptions are made which…

Materials Science · Physics 2011-01-25 J. J. Kas , J. J. Rehr , J. A. Soininen , P. Glatzel

Synchrotron emission of relativistic particles in magnetic fields is a process of paramount importance in astrophysics. Although known for over thirty years, there are still aspects of this radiative process that have received little…

Astrophysics · Physics 2009-11-07 Roberto Aloisio , Pasquale Blasi

We investigate influence on the storage ring beam dynamics of the coherent Synchrotron Radiation (SR) self fields produced by an electron bunch. We show that the maximum energy gain in the RF cavity must far exceed the energy loss of…

Accelerator Physics · Physics 2007-05-23 E. G. Bessonov , R. M. Feshchenko , V. I. Shvedunov

The dual harmonic system has been widely used in high intensity proton synchrotrons to suppress the space charge effect, as well as reduce the beam loss. To investigate the longitudinal beam dynamics in the dual rf system, the potential…

Accelerator Physics · Physics 2016-01-20 Yao-Shuo Yuan , Na Wang , Shou-Yan Xu , Yue Yuan , Sheng Wang

Cyclotron Radiation Emission Spectroscopy (CRES) is a technique for measuring the kinetic energy of charged particles through a precision measurement of the frequency of the cyclotron radiation generated by the particle's motion in a…

We present the continued fraction method (CFM) as a new microscopic approximation to the spectral density of the Hubbard model in the correlated metal phase away from half filling. The quantity expanded as a continued fraction is the single…

Strongly Correlated Electrons · Physics 2009-11-11 R. Hayn , P. Lombardo , K. Matho

We investigate covert communication in an intelligent reflecting surface (IRS)-assisted symbiotic radio (SR) system under the parasitic SR (PSR) and the commensal SR (CSR) cases, where an IRS is exploited to create a double reflection link…

Information Theory · Computer Science 2024-11-18 Yunpeng Feng , Jian Chen , Lu Lv , Yuchen Zhou , Long Yang , Naofal Al-Dhahir , Fumiyuki Adachi

The purpose of the ``bootstrap program'' for integrable quantum field theories in 1+1 dimensions is to construct a model in terms of its Wightman functions explicitly. In this article, this program is mainly illustrated in terms of the…

High Energy Physics - Theory · Physics 2009-11-10 H. Babujian , M. Karowski

We extend image scanning microscopy to second harmonic generation (SHG) by extracting the complex field amplitude of the second-harmonic beam. While the theory behind coherent image scanning microscopy (ISM) is known, an experimental…

Optics · Physics 2022-03-14 Dekel Raanan , Man Suk Song , William A Tisdale , Dan Oron

Recently, both theoretical arguments and observational evidence suggested that a small fraction of fast radio bursts (FRBs) could be associated with gamma-ray bursts (GRBs). If such FRB/GRB association systems are commonly detected in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 He Gao , Zhuo Li , Bing Zhang

RIS-assisted communication has recently attracted significant attention for enhancing wireless performance in challenging environments, making accurate error analysis under practical hardware constraints crucial for future multi-antenna…

Signal Processing · Electrical Eng. & Systems 2025-08-27 Tayfun Yilmaz , Haci Ilhan , Ibrahim Hokelek

We present a self-consistent way of modeling synchrotron self-Compton (SSC) effects in gamma-ray burst afterglows, with and without approximated Klein-Nishina suppressed scattering. We provide an analytic approximation of our results, so…

High Energy Astrophysical Phenomena · Physics 2021-04-14 Taylor Jacovich , Paz Beniamini , Alexander van der Horst
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