Results 101 to 110 of about 2,258,607 (385)

Solution Of Wheeler-De Witt Equation, Potential Well And Tunnel Effect

, 2007
This paper uses the relation of the cosmic scale factor and scalar field to solve Wheeler-DeWitt equation, gives the tunnel effect of the cosmic scale factor a and quantum potential well of scalar field, and makes it fit with the physics of cosmic ...
A. Linde, A. Linde, D.H. Zhang, D.L. Wiltshire, E.W. Kolb, Gang Weng, J.A. Wheeler, P.J.E. Peebles, Y.G. Shen, Yong-Chang Huang   +9 more
core   +1 more source

Extensive Air Showers and Accelerator Data - The NEEDS Workshop [PDF]

, 2002
Very high energy cosmic rays are typically studied by measuring extensive air showers formed by secondary particles produced in collisions with air nuclei.
Abazov, Abe, Abe, Agreev, Alves, Amos, Angelis, Antoni, Antoni, Antoni, Antoni, Avila, Barish, Barr, Catanesi, Cole, Drescher, Engel, Engel, Engel, Engel, Engel, Fowler, Gaisser, Haungs, Haungs, Heck, Hörandel, Hörandel, Jones, Jones, Kalmykov, Knapp, Matthiae, Ostapchenko, Ralph Engel, Rybicki, Seo, Solano, Swordy, Tano   +40 more
core   +3 more sources

Design of Waveguide NbN‐Based Superconductor–Insulator–Superconductor Mixer for 650 GHz

Advanced Photonics Research, EarlyView.
This research work focuses on a waveguide NbN‐based superconductor–insulator–superconductor mixer operating at 650 GHz. The signal coupling circuit is designed using a waveguide‐microstrip coupling structure, and the return loss obtained is lower than −16 dB. For the mixing circuit, its return loss is less than −7.5 dB, and the return loss reduces with
Lianhao He, Fangting Lin, Xiaoyong He
wiley   +1 more source

Cosmic neutrino flux and spin flavor oscillations in intergalactic medium

Physics Letters B, 2023
The ultra high energy (UHE) cosmic neutrinos are expected to play a pivotal role in the disquisition of physics beyond the standard model of particle physics as well as serve as an ideal cosmic messengers.
Ashutosh Kumar Alok, Neetu Raj Singh Chundawat, Arindam Mandal   +2 more
doaj  

Scintillation Response of 0D Cs3Cu2I5 Thin Layers to Light‐ and Heavy‐Ion Irradiation

Advanced Photonics Research, EarlyView.
Driven by increasing interest in uncovering the remarkable photoluminescence quantum yield of Cs3Cu2I5, polycrystalline thin layers are synthesized to investigate its radioluminescence response to energetic ions. Its spectroscopic capability is assessed in a wide range of ion mass and internal excitation processes are explored.
Mátyás Hunyadi, Attila Csík, Cintia Hajdu, Csaba Janáky, István Rajta, Gergely F. Samu, Lóránt Csige   +6 more
wiley   +1 more source

Effects of anisotropic dynamics on cosmic strings [PDF]

JCAP 1108 (2011) 013, 2011
The dynamics of cosmic strings is considered in anisotropic backgrounds. In particular, the behaviour of infinitely long straight cosmic strings and of cosmic string loops is determined. Small perturbations of a straight cosmic string are calculated. The relevance of these results is discussed with respect to the possible observational imprints of an ...
arxiv   +1 more source

Solar Modulation of Galactic Cosmic Rays: Physics Challenges for AMS-02

, 2018
The Alpha Magnetic Spectrometer (AMS) is a new generation high-energy physics experiment installed on the International Space Station in May 2011 and operating continuously since then.
Tomassetti, Nicola
core   +1 more source

Screening and Development of Sacrificial Cathode Additives for Lithium‐Ion Batteries

Advanced Energy Materials, EarlyView.
This work presents a computational screening approach to identify Li‐rich transition‐metal oxide sacrificial cathode additives and provides experimental validation of antifluorite‐structured Li6MnO4 as a potential candidate. Abstract This work presents a computational screening approach to identify Li‐rich transition‐metal oxide sacrificial cathode ...
Haegyeom Kim, KyuJung Jun, Nathan Szymanski, Venkata Sai Avvaru, Zijian Cai, Matthew Crafton, Gi‐Hyeok Lee, Stephen E. Trask, Finn Babbe, Young‐Woon Byeon, Peichen Zhong, Donghun Lee, Byungchun Park, Wangmo Jung, Bryan D. McCloskey, Wanli Yang   +15 more
wiley   +1 more source

Estimation of Cosmic-Ray-Induced Atmospheric Ionization and Radiation at Commercial Aviation Flight Altitudes

Applied Sciences, 2022
The main source of the ionization of the Earth’s atmosphere is the cosmic radiation that depends on solar activity as well as geomagnetic activity. Galactic cosmic rays constitute a permanent radiation background and contribute significantly to the ...
Panagiota Makrantoni, Anastasia Tezari, Argyris N. Stassinakis, Pavlos Paschalis, Maria Gerontidou, Pantelis Karaiskos, Alexandros G. Georgakilas, Helen Mavromichalaki, Ilya G. Usoskin, Norma Crosby, Mark Dierckxsens   +10 more
doaj   +1 more source

Colliding Hadrons as Cosmic Membranes and Possible Signatures of Lost Momentum [PDF]

, 2010
We argue that in the TeV-gravity scenario high energy hadrons colliding on the 3-brane embedded in D=4+n-dimensional spacetime, with n dimensions smaller than the hadron size, can be considered as cosmic membranes. In the 5-dimensional case these cosmic membranes produce effects similar to cosmic strings in the 4-dimensional world.
arxiv   +1 more source