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There is a broad interest in enhancing the strength of light-atom interactions to the point where injecting a single photon induces a nonlinear material response. Here, we show theoretically that sub-Doppler-cooled, two-level atoms that are…

原子物理 · 物理学 2014-07-28 Bonnie L. Schmittberger , Daniel J. Gauthier

The Zwicky Transient Facility (ZTF) was expected to detect more than one strong gravitationally-lensed supernova (glSN) per year, but only one event was identified in the first four years of the survey. This work investigates selection…

高能天体物理现象 · 物理学 2024-06-04 A. Sagués Carracedo , A. Goobar , E. Mörtsell , N. Arendse , J. Johansson , A. Townsend , S. Dhawan , J. Nordin , J. Sollerman , S. Schulze

A survey of Type II supernovae explosion models has been carried out to determine how their light curves and spectra vary with their mass, metallicity, and explosion energy. The presupernova models are taken from a recent survey of massive…

宇宙学与河外天体物理 · 物理学 2015-05-14 Daniel Kasen , S. E. Woosley

This work utilizes established models of synchrotron-powered light curves for core-collapse supernovae in dense circumstellar environments, namely type IIn and Ibn, to demonstrate the potential for detecting millimeter emission from these…

高能天体物理现象 · 物理学 2022-07-27 Nitika Yadlapalli , Vikram Ravi , Anna Y. Q. Ho

Comparisons between predicted and benchmark k$_{\rm eff}$ values from criticality-safety systems are often used as metrics to estimate the quality of evaluated nuclear data libraries. Relevant nuclear data for these critical systems…

核理论 · 物理学 2025-10-14 D. Rochman , A. Koning , S. Goriely , S. Hilaire

The astrophysical production site of the heaviest elements in the universe remains a mystery. Incorporating heavy element signatures of metal-poor, $r$-process enhanced stars into theoretical studies of $r$-process production can offer…

高能天体物理现象 · 物理学 2019-08-14 Erika M. Holmbeck , Anna Frebel , G. C. McLaughlin , Matthew R. Mumpower , Trevor M. Sprouse , Rebecca Surman

The Active Galactic Nuclei (AGN) glossary is vast and complex. Depending on selection method, observing wavelength, and brightness, AGNs are assigned distinct labels, yet the relationship between different selection methods and the…

A study of the interaction of loosely bound nuclei 6,7Li at 9 and 19 AMeV with light targets has been undertaken. With the determination of unambiguous optical potentials in mind, elastic data for four projectile-target combinations and one…

核实验 · 物理学 2009-11-10 F. Carstoiu , L. Trache , R. E. Tribble , C. A. Gagliardi

A central question regarding neutron star mergers is whether they are able to produce all the r-process elements, from first to third peak. The high abundances of first-peak elements (atomic number $Z \sim 31-40$) in the solar composition…

The photonics involving II-VI epitaxial layers was limited so far to structures based on a single planar microcavity. Here, we present double, vertically coupled, ZnTe optical microcavities in planar and 3-D photonic molecule geometry. We…

介观与纳米尺度物理 · 物理学 2017-03-10 M. Ściesiek , W. Pacuski , J-G. Rousset , M. Parlińska-Wojtan , A. Golnik , J. Suffczyński

The application of ultrathin two-dimensional (2D) perovskites in near-infrared and visible-range optoelectronics has been limited owing to their inherent wide bandgaps, large excitonic binding energies and low optical absorption at higher…

介观与纳米尺度物理 · 物理学 2022-05-06 Abin Varghese , Yuefeng Yin , Mingchao Wang , Saurabh Lodha , Nikhil V. Medhekar

We carry out the first multi-dimensional radiative transfer calculations to simultaneously compute synthetic spectra and light curves for models of supernovae driven by fast bipolar outflows. These allow us to make self-consistent…

高能天体物理现象 · 物理学 2015-06-11 Sharon Rapoport , Stuart A. Sim , Keiichi Maeda , Masaomi Tanaka , Markus Kromer , Brian P. Schmidt , Kenichi Nomoto

We compare analytic predictions of supernova light curves with recent high quality data from SN2011fe (Ia), from KSN2011b (Ia), and the Palomar Transient Factory (PTF) and the La Silla-QUEST variability survey (LSQ) (Ia). Because of the…

高能天体物理现象 · 物理学 2017-08-15 W. David Arnett , Christopher L. Fryer , Thomas Matheson

Aims. The interaction of supernova remnants (SNRs) with molecular clouds gives rise to strong molecular emission in the far-IR and sub-mm wavelength regimes. The application of MHD shock models in the interpretation of this line emission…

星系天体物理 · 物理学 2014-10-01 S. Anderl , A. Gusdorf , R. Güsten

Recent studies have shown how the distribution of $^{56}$Ni within the ejecta of type Ia supernovae can have profound consequences on the observed light curves. Observations at early times can therefore provide important details on the…

高能天体物理现象 · 物理学 2020-02-05 M. R. Magee , K. Maguire , R. Kotak , S. A. Sim , J. H. Gillanders , S. J. Prentice , K. Skillen

Tamura coupling model has been extended to consider the coupling of additional low-lying rotational bands to the ground state band. Rotational bands are built on vibrational bandheads (even-even targets) or single particle bandheads…

核理论 · 物理学 2017-07-05 E. Sh. Soukhovitskii , R. Capote , J. M. Quesada , S. Chiba , D. S. Martyanov

The calculation of line widths constitutes theoretical and computational challenges in the calculation of opacities of hot dense plasmas. Opacity models use line broadening approximations that are untested at stellar interior conditions.…

太阳与恒星天体物理 · 物理学 2016-06-22 M. Krief , A. Feigel , D. Gazit

We study the long-term evolution of ejecta formed in a binary neutron star (BNS) merger that results in a long-lived remnant NS by performing a hydrodynamics simulation with the outflow data of a numerical relativity simulation as the…

高能天体物理现象 · 物理学 2022-08-31 Kyohei Kawaguchi , Sho Fujibayashi , Masaru Shibata , Masaomi Tanaka , Shinya Wanajo

Information about the physical properties of astrophysical objects cannot be measured directly but is inferred by interpreting spectroscopic observations in the context of atomic physics calculations. Ratios of emission lines, for example,…