Results 71 to 80 of about 54,682 (254)

Cosmological Production of Vector Bosons and Cosmic Microwave Background Radiation

, 2005
The intensive cosmological creation of vector W, Z- bosons in the cosmological model with the relative units is considered. Field theoretical models are studied, which predict that the CMB radiation and the baryon matter in the universe can be products ...
A. A. Grib, A. A. Grib, A. A. Gusev, A. A. Starobinsky, A. A. Starobinsky, A. D. Linde, A. D. Sakharov, A. M. Polyakov, B. M. Barbashov, C. Misner, D. B. Blaschke, D. Behnke, D. V. Proskurin, E. W. Kolb, H. Wentzel, H.-P. Pavel, I. V. Polubarinov, J. A. Wheeler, J. Bernstein, J. Schwinger, L. B. Okun, L. D. Faddeev, L. D. Landau, M. Fukugita, M. Pawlowski, R. Kallosh, R. Srianand, R. U. Sexl, S. I. Vinitsky, S. Schweber, S. Weinberg, V. I. Ogievetskii, V. N. Pervushin, V. N. Pervushin, V. N. Pervushin, Ya. B. Zel'dovich, Ya. B. Zel'dovich   +36 more
core   +1 more source

Revisiting Sub‐Surface Drought Cascades With Daily Satellite Observations of Soil Moisture and Terrestrial Water Storage

Water Resources Research, Volume 61, Issue 8, August 2025.
Abstract The increasing frequency, intensity, and duration of extreme heat and drought events in a warming climate make it crucial to understand the relationship between surface and subsurface water storage dynamics during these events. Changes in water storage can be studied globally using satellite observations.
Daniel Blank, Annette Eicker, John T. Reager, Andreas Güntner   +3 more
wiley   +1 more source

Can X-Ray Jets Be Cosmic Beacons?

, 2001
If X-rays observed from any extragalactic radio jets are due to inverse Compton scattering on the cosmic microwave background (CMB) radiation, then such a source will be detectable with the same surface brightness anywhere in the more distant universe ...
Schwartz, Dan
core   +1 more source

Spherical Orbifolds for Cosmic Topology [PDF]

, 2012
Harmonic analysis is a tool to infer cosmic topology from the measured astrophysical cosmic microwave background CMB radiation. For overall positive curvature, Platonic spherical manifolds are candidates for this analysis.
Aurich R, Coxeter H S M, Edmonds A R, Einstein A, Kramer P, Kramer P, Kramer P, Kramer P, Kramer P, Kramer P, Kramer P, Kramer P, Larson D, Laue M v, Lax M, Misner Ch W, Peter Kramer, Ratcliffe J G, Seifert H, Sommerville D M Y, Weeks J, Wolf J A   +21 more
core   +1 more source

Analysis, Testing, and Design of a UHF and HF Peer‐to‐Peer Communication System for the Europan Cryosphere

Earth and Space Science, Volume 12, Issue 8, August 2025.
Abstract This study presents a validated design of a dual‐band wireless relay system of “pucks” for through‐ice communication between a cryobot and a surface lander during a future exploration of the Europan cryosphere. The design of a terrestrial demonstration system and the results of a 103 m through‐ice system test in a relevant environment near ...
Jake Sahli, Albin J. Gasiewski, William C. Stone, Brian Pease, Veronica Guerrero, Vickie Siegel, Justin Smith   +6 more
wiley   +1 more source

Correlations between 21 cm Radiation and the CMB from Active Sources

, 2010
Neutral hydrogen is ubiquitous, absorbing and emitting 21 cm radiation throughout much of the Universe's history. Active sources of perturbations, such as cosmic strings, would generate simultaneous perturbations in the distribution of neutral hydrogen ...
Aaron Berndsen, Adshead, Albrecht, Albrecht, Alvarez, Battye, Bevis, Eisenstein, Furlanetto, Gangui, Giannantonio, Gott, Hu, Hu, Jones-Smith, Kaiser, Khatri, Landriau, Levon Pogosian, Lewis, Lewis, Mark Wyman, Myers, Pogosian, Pogosian, Pogosian, Pogosian, Rees, Sachs, Santos, Sarkar, Seager, Seljak, Slosar, Turok, Vilenkin, Vincent, Wyman, Zaldarriaga, Zeldovich   +39 more
core   +1 more source

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

Advanced Photonics Research, Volume 6, Issue 7, July 2025.
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

The Signature of Proper Motion in the Microwave Sky

, 2010
The cosmic microwave background radiation defines a preferred cosmic rest frame, and inflationary cosmological theories predict that the microwave background temperature fluctuations should be statistically isotropic in this rest frame.
Arthur Kosowsky, O. Lahav, Tina Kahniashvili   +2 more
core   +1 more source

Dating the Middle Palaeolithic of Fumane Cave by the combined ESR/U‐series method

Journal of Quaternary Science, Volume 40, Issue 5, Page 862-875, July 2025.
ABSTRACT Fumane Cave, located in Northern Italy, is a major prehistoric site for understanding late Neandertal and early modern human behaviours. The cave contains a 12‐m‐thick stratigraphic sequence of Middle and Upper Palaeolithic layers, which have yielded a number of flint artefacts and faunal remains.
Christophe Falguères, Giulia Gruppioni, Jean Jacques Bahain, Jean Michel Dolo, Marco Peresani   +4 more
wiley   +1 more source

The Atacama Cosmology Telescope: Millimeter Observations of a Population of Asteroids or: ACTeroids

The Astrophysical Journal
We present fluxes and light curves for a population of asteroids at millimeter wavelengths, detected by the Atacama Cosmology Telescope (ACT) over 18,000 deg ^2 of the sky using data from 2017 to 2021.
John Orlowski-Scherer, Ricco C. Venterea, Nicholas Battaglia, Sigurd Naess, Tanay Bhandarkar, Emily Biermann, Erminia Calabrese, Mark Devlin, Jo Dunkley, Carlos Hervías-Caimapo, Patricio A. Gallardo, Matt Hilton, Adam D. Hincks, Kenda Knowles, Yaqiong Li, Jeffrey J McMahon, Michael D. Niemack, Lyman A. Page, Bruce Partridge, Maria Salatino, Jonathan Sievers, Cristóbal Sifón, Suzanne Staggs, Alexander van Engelen, Cristian Vargas, Eve M. Vavagiakis, Edward J. Wollack   +26 more
doaj   +1 more source