Results 71 to 80 of about 1,662,373 (351)
Introduction to high-energy gamma-ray astronomy
The present issue is the first of of a two-volume review devoted to gamma-ray astronomy above 100 MeV which has witnessed considerable progress over the last 20 years. The motivations for research in this area are explained, the follow-on articles of these two thematic issues are introduced and a brief history of the field is given.
Degrange, Bernard, Fontaine, Gérard
openaire +5 more sources
The developed all‐organic solar cells achieve a power conversion efficiency of 8.7%, more than double the previous record. In addition, bioplastic substrates are used to produce environmentally friendly solar cells with an efficiency of 8.6%. These results are achieved by developing high‐performance organic electrodes without acid doping or high ...
Keiju Hashida+12 more
wiley +1 more source
VHE Astronomy before the New Millenium [PDF]
A report on the observational status of VHE astronomy is given.
arxiv +1 more source
The history of the Russian study of Chinese astronomy [PDF]
A short history of Russian researches in Chinese astronomy in 19-20 ...
arxiv
TAIGA—A hybrid array for high-energy gamma astronomy and cosmic-ray physics
The physics motivations and advantages of the new TAIGA (Tunka Advanced Instrument for cosmic ray physics and Gamma Astronomy) detector are presented.
N. Budnev+81 more
semanticscholar +1 more source
An asymmetric non‐fullerene acceptor BTP‐FT is developed by extending the end group of Y6‐BO with thiophene. The conformation of the molecule is determined by the noncovalent F···S interaction as demonstrated by 2D NMR and simulations. An efficiency of 18.39% is achieved in the resulting ternary solar cells processed from toluene.
Jingnan Wu+14 more
wiley +1 more source
Testing loop quantum gravity by quasi-periodic oscillations: rotating blackholes
We investigate a compelling model of a rotating black hole that is deformed by the effects of loop quantum gravity (LQG). We present a simplified metric and explore two distinct geometries: one in which the masses of the black hole and white hole are ...
Jafar Khodagholizadeh+3 more
doaj +1 more source
We construct general asymptotically Klebanov-Strassler solutions of a five dimensional SU(2) × SU(2) × ℤ 2 × ℤ 2R truncation of IIB supergravity on T 1,1, that break supersymmetry.
Chethan Krishnan+2 more
doaj +1 more source
EuSc₂Te₄, an antiferromagnetic semiconductor, exhibits a nonlinear Hall effect (NLHE) characterized by quadratic current–voltage behavior. Combined experimental and theoretical studies reveal that this NLHE is linked to its antiferromagnetism and involves contributions from the quantum metric.
Seng Huat Lee+15 more
wiley +1 more source
Tests of CPT invariance in gravitational waves with LIGO-Virgo catalog GWTC-1
A discovery of gravitational waves from binary black holes raises a possibility that measurements of them can provide strict tests of CPT invariance in gravitational waves.
Sai Wang, Zhi-Chao Zhao
doaj +1 more source