Results 321 to 330 of about 553,662 (337)
Giant magnetoresistance induced by spin-dependent orbital coupling in Fe<sub>3</sub>GeTe<sub>2</sub>/graphene heterostructures. [PDF]
Nat CommunHuang S +12 more
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Giant quantum oscillations in thermal transport in low-density metals via electron absorption of phonons. [PDF]
Proc Natl Acad Sci U S ABermond B +16 more
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Publications of the Astronomical Society of Australia, 1992
AbstractThe astrophysical literature contains many discussions on exactly which changes in a star’s structure are responsible for the extremely large radii found after core hydrogen exhaustion. Different authors favour different mechanisms. Unfortunately none of the proposals are easily verified nor are they easily disproven.
John C. Lattanzio, Cheryl A Frost
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AbstractThe astrophysical literature contains many discussions on exactly which changes in a star’s structure are responsible for the extremely large radii found after core hydrogen exhaustion. Different authors favour different mechanisms. Unfortunately none of the proposals are easily verified nor are they easily disproven.
John C. Lattanzio, Cheryl A Frost
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EAS Publications Series, 2015
A new rotation model for post-main sequence stars is proposed. This model quantitatively reproduces core and surface rotation rates of subgiant stars, as well as the core rotation of helium-burning clump stars.
Y. Kissin, C. Thompson
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A new rotation model for post-main sequence stars is proposed. This model quantitatively reproduces core and surface rotation rates of subgiant stars, as well as the core rotation of helium-burning clump stars.
Y. Kissin, C. Thompson
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1994
Increasing evidence suggests that the mechanism(s) for heating the chromospheres of the coolest red giants may be quite different from those responsible for heating in solar-type stars, but little progress toward a quantitative test of this important idea has been made, both because of the scarcity of suitable observations and the difficulty of ...
Hollis R. Johnson +2 more
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Increasing evidence suggests that the mechanism(s) for heating the chromospheres of the coolest red giants may be quite different from those responsible for heating in solar-type stars, but little progress toward a quantitative test of this important idea has been made, both because of the scarcity of suitable observations and the difficulty of ...
Hollis R. Johnson +2 more
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Scientific American, 2007
This article reports that astronomers have found an exoplanet that likely survived the red giant phase of its parent star. Named V391 Pegasi, it belongs to a class of subdwarf stars that flicker. Researchers noticed the regularity of the flickering and says it is a planet at least 3 times bigger than Jupiter.
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This article reports that astronomers have found an exoplanet that likely survived the red giant phase of its parent star. Named V391 Pegasi, it belongs to a class of subdwarf stars that flicker. Researchers noticed the regularity of the flickering and says it is a planet at least 3 times bigger than Jupiter.
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Axion bremsstrahlung in red giants
Physical Review D, 1990We calculate the bremsstrahlung emission rate of axions from a degenerate but weakly coupled plasma, using a Debye structure factor to take account of the nuclei correlations. This result pertains to axion emission from red giants near the helium flash and thus could be used to make a previous bound precise which involves the suppression of helium ...
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2021
In 2012, we published a paper in the Journal of Critical Globalization Studies titled 'Imperialism and Financialism: The Story of a Nexus'. Our topic was the chameleon-like Marxist notion of imperialism and how its different theories related to finance.
Bichler, Shimshon, Nitzan, Jonathan
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In 2012, we published a paper in the Journal of Critical Globalization Studies titled 'Imperialism and Financialism: The Story of a Nexus'. Our topic was the chameleon-like Marxist notion of imperialism and how its different theories related to finance.
Bichler, Shimshon, Nitzan, Jonathan
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1981
Expanding, cool envelopes around red giants were detected many years ago when Adams and McCormack (1935) discovered that on high dispersion spectra of ∝ Ori, ∝1 Her, o Cet and e Peg the stronger resonance lines showed violet displaced absorption cores which could be explained by an expanding gaseous envelope.
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Expanding, cool envelopes around red giants were detected many years ago when Adams and McCormack (1935) discovered that on high dispersion spectra of ∝ Ori, ∝1 Her, o Cet and e Peg the stronger resonance lines showed violet displaced absorption cores which could be explained by an expanding gaseous envelope.
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1981
Basic concepts in the theory of astronomical masers which are necessary for the discussion of red giant masers are introduced. Maser radiation from late type stars is then discussed in detail with special emphasis on SiO masers as probes of the stellar atmosphere and OH masers as a tool for studying the mass loss process and the circumstellar shell.
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Basic concepts in the theory of astronomical masers which are necessary for the discussion of red giant masers are introduced. Maser radiation from late type stars is then discussed in detail with special emphasis on SiO masers as probes of the stellar atmosphere and OH masers as a tool for studying the mass loss process and the circumstellar shell.
openaire +2 more sources