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Weak lensing by large-scale structure is a powerful probe of cosmology if the apparent alignments in the shapes of distant galaxies can be accurately measured. Most studies have therefore focused on improving the fidelity of the shape…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-24 Henk Hoekstra , Arun Kannawadi , Thomas D. Kitching

Brillouin microscopy is an emerging label-free imaging technique to assess local viscoelastic properties. Quantum-enhanced stimulated Brillouin scattering is demonstrated for the first time using low power continuous-wave lasers at 795~nm.…

Optics · Physics 2024-09-16 Tian Li , Fu Li , Xinghua Liu , Vladislav V. Yakovlev , Girish S. Agarwal

This paper proposes a method for designing BS clusters and cluster patterns for pair-wise BS coordination. The key idea is that each BS cluster is formed by using the 2nd-order Voronoi region, and the BS clusters are assigned to a specific…

Information Theory · Computer Science 2016-11-15 Jeonghun Park , Namyoon Lee , Robert W. Heath

Extracting information from cosmic surveys is often done in a two-step process, construction of maps and then summary statistics such as two-point functions. We use simulations to demonstrate the advantages of a general Bayesian framework…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-06 Alan Junzhe Zhou , Scott Dodelson

The majority of massive stars are located in binary or multiple star systems. Compared to single stars, these objects pose additional challenges to quantitative analyses based on model atmospheres. In particular, little information is…

Solar and Stellar Astrophysics · Physics 2024-11-27 Patrick Aschenbrenner , Norbert Przybilla

We use the Fisher-matrix formalism to investigate whether the galaxy bispectrum in redshift space, $B$, contains additional cosmological information with respect to the power spectrum, $P$. We focus on a $Euclid$-like survey and consider…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-10 Victoria Yankelevich , Cristiano Porciani

We investigate the isometrically embedded Bianchi type-V cosmology braneworld model in a $D$-dimensional bulk space. The model provides a fluid of geometric dark energy (GDE) and unification of fundamental forces similar to the…

General Relativity and Quantum Cosmology · Physics 2023-05-02 R. Jalalzadeh , S. Jalalzadeh , B. Malekolkalami

The 2dF Galaxy Redshift Survey is the first to observe more than 100,000 redshifts. This allows precise measurements of many of the key statistics of galaxy clustering, in particular redshift-space distortions and the large-scale power…

We compute the SBS gain for a metamaterial comprising a cubic lattice of dielectric spheres suspended in a background dielectric material. Theoretical methods are presented to calculate the optical, acoustic, and opto-acoustic parameters…

The upcoming NASA mission HelioSwarm will use nine spacecraft to make the first simultaneous multi-point measurements of space plasmas spanning multiple scales. Using the wave-telescope technique, HelioSwarm's measurements will allow for…

Space Physics · Physics 2023-05-17 Theodore Broeren , Kristopher Klein

The problem of detecting Sunyaev-Zel'dovich (SZ) clusters in multifrequency CMB observations is investigated using a number of filtering techniques. A multifilter approach is introduced, which optimizes the detection of SZ clusters on…

The acousto-optic interaction known as stimulated Brillouin scattering (SBS) has emerged as fundamental principles for realizing crucial components and functionalities in integrated photonics. However, the main challenge of integrated…

Optics · Physics 2024-02-08 Peng Lei , Mingyu Xu , Yunhui Bai , Zhangyuan Chen , Xiaopeng Xie

Subjective classification of spiral galaxies is not sufficient for studying the effect of bars on their physical characteristics. In reality the problem is to comprehend the complex correlations in a multivariate parametric space.…

Astrophysics of Galaxies · Physics 2021-04-13 Prasenjit Banerjee , Tanuka Chattopadhyay , Asis Kumar Chattopadhyay

Probing forces, deformations and generally speaking the mechanical properties of cells is the hallmark of mechanobiology. In the last two decades many techniques have been developed to this end that are largely based on deforming the cells…

Protoclusters represent sites of accelerated galaxy formation and extreme astrophysical activity characteristic of dense environments. Identifying massive protoclusters and mapping their spatial structures are therefore crucial first steps…

We present the first cosmology results from large-scale structure in the Dark Energy Survey (DES) spanning 5000 deg$^2$. We perform an analysis combining three two-point correlation functions (3$\times$2pt): (i) cosmic shear using 100…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-22 DES Collaboration , T. M. C. Abbott , M. Aguena , A. Alarcon , S. Allam , O. Alves , A. Amon , F. Andrade-Oliveira , J. Annis , S. Avila , D. Bacon , E. Baxter , K. Bechtol , M. R. Becker , G. M. Bernstein , S. Bhargava , S. Birrer , J. Blazek , A. Brandao-Souza , S. L. Bridle , D. Brooks , E. Buckley-Geer , D. L. Burke , H. Camacho , A. Campos , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , C. Chang , A. Chen , R. Chen , A. Choi , C. Conselice , J. Cordero , M. Costanzi , M. Crocce , L. N. da Costa , M. E. da Silva Pereira , C. Davis , T. M. Davis , J. De Vicente , J. DeRose , S. Desai , E. Di Valentino , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , C. Doux , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , J. Elvin-Poole , S. Everett , A. E. Evrard , X. Fang , A. Farahi , E. Fernandez , I. Ferrero , A. Ferté , P. Fosalba , O. Friedrich , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , G. Giannini , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , I. Harrison , W. G. Hartley , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , B. Hoyle , E. M. Huff , D. Huterer , B. Jain , D. J. James , M. Jarvis , N. Jeffrey , T. Jeltema , A. Kovacs , E. Krause , R. Kron , K. Kuehn , N. Kuropatkin , O. Lahav , P. -F. Leget , P. Lemos , A. R. Liddle , C. Lidman , M. Lima , H. Lin , N. MacCrann , M. A. G. Maia , J. L. Marshall , P. Martini , J. McCullough , P. Melchior , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , J. Muir , J. Myles , S. Nadathur , A. Navarro-Alsina , R. C. Nichol , R. L. C. Ogando , Y. Omori , A. Palmese , S. Pandey , Y. Park , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , M. Raveri , M. Rodriguez-Monroy , R. P. Rollins , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , E. S. Rykoff , S. Samuroff , C. Sánchez , E. Sanchez , J. Sanchez , D. Sanchez Cid , V. Scarpine , M. Schubnell , D. Scolnic , L. F. Secco , S. Serrano , I. Sevilla-Noarbe , E. Sheldon , T. Shin , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , M. Tabbutt , G. Tarle , D. Thomas , C. To , A. Troja , M. A. Troxel , D. L. Tucker , I. Tutusaus , T. N. Varga , A. R. Walker , N. Weaverdyck , R. Wechsler , J. Weller , B. Yanny , B. Yin , Y. Zhang , J. Zuntz

In this work, an updated version of the multi-scale, multi-physics algorithm, Nemesis which makes use of the Astrophysical Multipurpose Software Environment (AMUSE). The algorithm is formally introduced and validated. A suite of simulations…

Instrumentation and Methods for Astrophysics · Physics 2026-04-29 Erwan Hochart , Simon Portegies Zwart

We present a method for removal of the contaminating effects of intrinsic galaxy alignments, in measurements of cosmic shear from multi-colour weak lensing surveys. The method down-weights pairs which are likely to be close in three…

Astrophysics · Physics 2007-05-23 Catherine Heymans , Alan Heavens

We report the statistical properties of stars, brown dwarfs and multiple systems obtained from the largest radiation hydrodynamical simulation of star cluster formation to date that resolves masses down to the opacity limit for…

Solar and Stellar Astrophysics · Physics 2015-05-30 Matthew R. Bate