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We present a current best estimate of the integrated near-infrared (NIR) extragalactic background light (EBL) attributable to resolved galaxies in J, H, and Ks . Our results for measurements of {\nu}I{\nu} in units of nW m-2 sr-1 are…

Cosmology and Nongalactic Astrophysics · Physics 2011-05-18 R. C. Keenan , A. J. Barger , L. L. Cowie , W. -H. Wang

The LnSbTe (Ln = Lanthanides) family, like isostructural ZrSiS type compounds, has emerged as a fertile playground for exploring the interaction of electronic correlations and magnetic ordering with the nodal line band topology. Here, we…

Potential applications of Zr/Al ODS alloys vests on the irradiation stability of the Y4Zr3O12 dispersoids. Fundamental studies to identify the type of defects are important in order to recognize pathways for damage alleviation. In this…

Materials Science · Physics 2021-08-11 Sruthi Mohan , Gurpreet Kaur , Sachin Srivastava , P. Magudapathy , C. David , G. Amarendra

X-ray scattering spectra of Cu and Ni metals have been measured using monochromatic synchrotron radiation tuned from far above to more than 10 eV below threshold. Energy conservation in the scattering process is found to be sufficient to…

Materials Science · Physics 2012-01-04 M. Magnuson , J. -E. Rubensson , A. Föhlisch , N. Wassdahl , A. Nilsson , N. Mårtensson

The acceleration and radiative processes active in low-power radio hotspots are investigated by means of new deep near-infrared (NIR) and optical VLT observations, complemented with archival, high-sensitivity VLT, radio VLA and X-ray…

High Energy Astrophysical Phenomena · Physics 2020-05-20 G. Migliori , M. Orienti , L. Coccato , G. Brunetti , F. D'Ammando , K. -H. Mack , M. A. Prieto

Photoabsorption spectra of N$_2$ and CO were recorded at 900K, using the vacuum-ultraviolet Fourier-transform spectrometer at the DESIRS beamline of synchrotron SOLEIL. These high-temperature and high-resolution measurements allow for…

We performed 121/123Sb-nuclear quadrupole resonance (NQR) measurements on the superconducting (SC) line-nodal material CaSb2 in order to investigate electronic properties in the normal and SC states from a microscopic point of view. In the…

We report on pulsed-laser induced generation of nitrogen-vacancy (NV) centers in diamond facilitated by a solid-immersion lens (SIL). The SIL enables laser writing at energies as low as 5.8 nJ per pulse and allows vacancies to be formed…

We investigate Dicke subradiance of distant quantum sources in free space, i.e., the spatial emission pattern of spontaneously radiating non-interacting multi-level atoms or multi-photon sources, prepared in totally antisymmetric states. We…

Quantum Physics · Physics 2018-03-20 Daniel Bhatti , Raimund Schneider , Steffen Oppel , Joachim von Zanthier

We present spectroscopic observations of FIR fine-structure lines of 26 Seyfert galaxies obtained with the Herschel-PACS spectrometer. These observations are complemented by spectroscopy with Spitzer-IRS and Herschel-SPIRE. The ratios of…

We present ISO-PHOT spectra of the regions 2.5-4.9um and 5.8-11.6um for a sample of 45 disk galaxies from the U.S. ISO Key Project on Normal Galaxies. The spectra can be decomposed into three spectral components: (1) continuum emission from…

We have performed intensive follow-up observations of a Type IIn/Ia-CSM SN (SN IIn/Ia-CSM), 2020uem, with photometry, spectroscopy, and polarimetry. In this paper, we report on the results of our observations focusing on…

Elemental abundances can be determined from stellar spectra, making it possible to study galactic formation and evolution. Accurate atomic data is essential for the reliable interpretation and modeling of astrophysical spectra. In this…

Solar and Stellar Astrophysics · Physics 2023-09-13 Madeleine Burheim , Henrik Hartman , Hampus Nilsson

Time-resolved elastic neutron scattering combined with rapid laser heating was used to probe the charge density wave (CDW) state in 1T-TiSe$_2$, capturing both the melting and reformation of the CDW on long timescales and providing clues on…

Materials Science · Physics 2025-09-22 K. Dharmasiri , S. S. Philip , D. Louca , S. A. Chen , M. D. Frontzek , Z. J. Morgan , C. Hua

Spectral lag, the time difference between the arrival of high-energy and low-energy photons, is a common feature in Gamma-ray Bursts (GRBs). Norris et al. 2000 reported a correlation between the spectral lag and the isotropic peak…

High Energy Astrophysical Phenomena · Physics 2015-05-13 T. N. Ukwatta , M. Stamatikos , K. S. Dhuga , T. Sakamoto , S. D. Barthelmy , A. Eskandarian , N. Gehrels , L. C. Maximon , J. P. Norris , W. C. Parke

The development of photonic integrated circuits would benefit from a wider selection of materials that can strongly-control near-infrared (NIR) light. Transition metal dichalcogenides (TMDs) have been explored extensively for visible…

Mesoscale and Nanoscale Physics · Physics 2019-10-18 Akshay Singh , Yifei Li , Balint Fodor , Laszlo Makai , Jian Zhou , Haowei Xu , Austin Akey , Ju Li , R. Jaramillo

Generation of laser-like narrow bandwidth emissions from nitrogen molecular ions generated in intense near- and mid-infrared femtosecond laser fields has aroused much interest because of the mysterious physics underlying such a phenomenon…

Optics · Physics 2018-02-28 Zhaoxiang Liu , Jinping Yao , Jinming Chen , Bo Xu , Wei Chu , Ya Cheng

Near infrared adaptive optics observations are crucial to be able to interpret kinematic and dynamical data and study star formation properties within the often extremely dusty interacting luminous IR galaxies (LIRGs). NIR AO data are also…

Cosmology and Nongalactic Astrophysics · Physics 2009-08-26 Petri Vaisanen , Seppo Mattila , Stuart Ryder

We present a current best estimate of the integrated near-infrared (NIR) extragalactic background light (EBL) attributable to resolved galaxies in J, H, and Ks. Our results in units of nW m-2 sr-1 are 11.7+5.6 -2.6 in J, 11.5+4.5 -1.5 in H…

Cosmology and Nongalactic Astrophysics · Physics 2011-05-18 Ryan C. Keenan , Amy J. Barger , Lennox L. Cowie , Wei-Hao Wang

Pulsed ESR experiments are reported for ensembles of negatively-charged nitrogen-vacancy centers (NV$^-$) in diamonds at X-band magnetic fields (280-400 mT) and low temperatures (2-70 K). The NV$^-$ centers in synthetic type IIb diamonds…

Quantum Physics · Physics 2016-12-22 B. C. Rose , C. D. Weis , A. M. Tyryshkin , T. Schenkel , S. A. Lyon