Results 111 to 120 of about 2,258,607 (385)

Neutrinos And Big Bang Nucleosynthesis [PDF]

, 2012
According to the standard models of particle physics and cosmology, there should be a background of cosmic neutrinos in the present Universe, similar to the cosmic microwave photon background.
Steigman, Gary
core   +4 more sources

Towards the physical vacuum of cosmic inflation

Physics Letters B, 2016
There have been long debates about the initial condition of inflationary perturbations. In this work we explicitly show the decay of excited states during inflation via interactions. For this purpose, we note that the folded shape non-Gaussianity can be interpreted as the decay of the non-Bunch-Davies initial condition.
Jiang, Hongliang, Wang, Yi
openaire   +5 more sources

Particle physics and the cosmic microwave background [PDF]

Physics Today, 2015
Temperature and polarization variations across the microwavesky include the fingerprints of quantum fluctuations in the early universe.They may soon reveal physics at unprecedented energy scales.
Lloyd Knox, T. M. Crawford, John E. Carlstrom   +2 more
openaire   +4 more sources

Alternative Solid‐State Synthesis Route for Highly Fluorinated Disordered Rock‐Salt Cathode Materials for High‐Energy Lithium‐Ion Batteries

Advanced Energy Materials, EarlyView.
This work presents a tailored solid‐state route to enhance DRX fluorination and electrochemical performance. Using unconventional precursors, Li6MnO4, MnF2, and TiO2, prevents Mn‐based intermediates, which do not accommodate fluorines, enabling the formation of highly fluorinated DRX with a composition of Li1.23Mn0.40Ti0.37O2−yFy (y = 0.29–0.34 ...
Venkata Sai Avvaru, Tianyu Li, Gi‐Hyeok Lee, Young‐Woon Byeon, Krishna Prasad Koirala, Otavio Jovino Marques, Bernardine L. D. Rinkel, Yanbao Fu, David Milsted, Seonghun Jeong, Nathan J. Szymanski, Martin Kunz, Finn Babbe, Eunryeol Lee, Vincent Battaglia, Bryan D. McCloskey, Johanna Nelson Weker, Chongmin Wang, Wanli Yang, Raphaële J. Clément, Haegyeom Kim   +20 more
wiley   +1 more source

Salted Identities: Biocultural Heritage for a Rehumanized Ocean Management in South Africa

Anthropology and Humanism, Volume 47, Issue 2, Page 363-380, December 2022., 2022
SUMMARY In this article, I discuss coastal and oceanic biocultural heritage and its relevance to a transformed perception of the ocean and coast in South Africa. An anthropology of biocultural heritage at the coast reveals the multidimensional nature of personhoods—specifically transspecies, trans‐material forms of personhood—and the rich dialogical ...
Rosabelle Boswell
wiley   +1 more source

Correcting for static shift of magnetotelluric data with airborne electromagnetic measurements: a case study from Rathlin Basin, Northern Ireland [PDF]

Solid Earth, 2017
Galvanic distortions of magnetotelluric (MT) data, such as the static-shift effect, are a known problem that can lead to incorrect estimation of resistivities and erroneous modelling of geometries with resulting misinterpretation of subsurface ...
R. Delhaye, R. Delhaye, V. Rath, A. G. Jones, A. G. Jones, M. R. Muller, D. Reay   +6 more
doaj   +1 more source

Human Physiological Parameters Related to Solar and Geomagnetic Disturbances: Data from Different Geographic Regions

Atmosphere, 2021
It is well known that the various manifestations of space weather can influence a wide range of human activities, from technological systems to human health. Various earlier, as well as more recent multi-disciplinary heliobiological and biometeorological
Helen Mavromichalaki, Maria-Christina Papailiou, Maria Gerontidou, Svetla Dimitrova, Karel Kudela   +4 more
doaj   +1 more source

Signals of Inflationary Models with Cosmic Strings [PDF]

, 2011
A class of well-motivated models of inflation end by producing cosmic strings. The current status of efforts to calculate and observe the signals from such models are outlined, with a particular emphasis on cosmic strings, and on the Cosmic Microwave Background signal.
arxiv   +1 more source

Origin and Propagation of Extremely High Energy Cosmic Rays

, 1999
Cosmic ray particles with energies in excess of 10**(20) eV have been detected. The sources as well as the physical mechanism(s) responsible for endowing cosmic ray particles with such enormous energies are unknown.
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core   +1 more source

Swarm‐Optimized ZnO/CdS/CIGS/GaAs Solar Cell for Enhanced Efficiency and Thermal Resilience

Advanced Energy and Sustainability Research, EarlyView.
This article addresses the problem of optimizing the efficiency and thermal resilience of ZnO/CdS/CIGS solar cells, which are promising but still face challenges in maximizing performance under high‐temperature conditions and concentrated sunlight. The main issue is enhancing the efficiency of these cells while also ensuring that they can withstand the
Habib Ullah Manzoor, Tareq Manzoor, Sajjad Hussain, Muhammad Nasir Manzoor, Ahmed Zoha   +4 more
wiley   +1 more source