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Stellar members of binary systems are formed from the same material, therefore they should be chemically identical. However, recent high-precision studies have unveiled chemical differences between the two members of binary pairs composed…

The regular structures similar to the chains and clusters on the Solar Photosphere are investigated and mechanism these origin are proposed.

天体物理学 · 物理学 2007-05-23 M. B. Kerimbekov

We derive the abundance of 19 elements in a sample of 64 stars with fundamental parameters very similar to solar, which minimizes the impact of systematic errors in our spectroscopic 1D-LTE differential analysis, using high-resolution…

太阳与恒星天体物理 · 物理学 2009-12-10 I. Ramirez , J. Melendez , M. Asplund

The four operating solar neutrino experiments confirm the hypothesis that the energy source for solar luminosity is hydrogen fusion. However, the measured rate for each of the four solar neutrino experiments differs significantly (by…

天体物理学 · 物理学 2015-06-24 John N. Bahcall

Ecological modelling of increasingly more complex microbial populations is necessary to reflect the highly functional and diverse behaviour inherent to many systems found in reality. Anaerobic digestion is one such process that has…

动力系统 · 数学 2015-08-24 Tewfik Sari , Matthew J. Wade

Magnetic clouds (MCs) are "magnetized plasma clouds" moving in the solar wind. MCs transport magnetic flux and helicity away from the Sun. These structures are not stationary but feature temporal evolution as they propagate in the solar…

太阳与恒星天体物理 · 物理学 2015-05-30 G. Dalakishvili , J. Kleimann , H. Fichtner , S. Poedts

Possible explanations of solar neutrino and atmospheric neutrino anomalies are summarized and future tests discussed.

高能物理 - 唯象学 · 物理学 2007-05-23 Sandip Pakvasa

We study the forms of the orbits in a symmetric configuration of a realistic model of the H2O molecule with particular emphasis on the periodic orbits. We use an appropriate Poincar\'e surface of section (PSS) and study the distribution of…

混沌动力学 · 物理学 2009-11-07 K. Efstathiou , G. Contopoulos

The molecular machinery of life is largely created via self-organisation of individual molecules into functional assemblies. Minimal coarse-grained models, where a whole macromolecule is represented by a small number of particles, can be of…

生物物理 · 物理学 2019-06-25 Anne E. Hafner , Johannes Krausser , Anđela Šarić

The Sun is a magnetically active star and is the source of the solar wind, electromagnetic radiation and energetic particles which affect the heliosphere and the Earths atmosphere. The magnetic field of the Sun is responsible for most of…

太阳与恒星天体物理 · 物理学 2026-02-04 Soumitra Hazra

Biological molecules, like all active matter, use free energy to generate force and motion which drive them out of thermal equilibrium, and undergo inherent dynamic interconversion between metastable free energy states separated by levels…

生物物理 · 物理学 2025-08-28 Mark C Leake

Much of what we know about molecular clouds, and by extension star formation, comes from molecular line observations. Interpreting these correctly requires knowledge of the underlying molecular abundances. Simulations of molecular clouds…

星系天体物理 · 物理学 2023-08-02 F. D. Priestley , P. C. Clark , S. C. O. Glover , S. E. Ragan , O. Fehér , L. R. Prole , R. S. Klessen

Chiral molecules form a number of non-chiral structures, the simplest being an isotropic fluid phase. In a mesophase of achiral molecules the fluctuations will on average be achiral as well: left-handed twists and right-handed twists will…

凝聚态物理 · 物理学 2008-02-03 T. C. Lubensky , Randall D. Kamien , Holger Stark

The dusty winds of cool evolved stars are a major contributor of the newly synthesised material enriching the Galaxy and future generations of stars. However, the details of the physics and chemistry behind dust formation and wind launching…

A review of solar neutrino experiments is provided, including experimental measurements to date and proposed future measurements. Experiments to date have provided a clear determination that solar neutrinos are undergoing flavor…

天体物理学 · 物理学 2009-11-10 A. B. McDonald

Solar neutrinos have been the subject of experimental study for almost half a century. The initial aim was '...to see into the interior of a star and thus verify directly the hypothesis of nuclear energy generation in stars'. Since then the…

高能物理 - 实验 · 物理学 2015-04-17 Jeanne R. Wilson

The astrobiology is an interdisciplinary science, combining the methods and the means of physics, biology, chemistry and astronomy. Its main purpose is to find out if the exoplanets are habitable and if so, to confirm life on them. The…

科普物理 · 物理学 2021-05-21 Hristo Delev

A variational method for many electron system is applied to momentum distribution calculations. The method uses a generating two-electron geminal and the amplitudes of the occupancies of one particle natural orbitals as variational…

强关联电子 · 物理学 2016-08-31 B. Barbiellini

Spectroscopic techniques are very essential tools in studying electronic structures, spectroscopic constants and energetic properties of diatomic molecules. These techniques are also required for parametrization of new method based on…

化学物理 · 物理学 2015-04-15 Babatunde J. Falaye , Sameer M. Ikhdair , Majid Hamzavi

The overall structure and the fine structure of the solar photosphere outside active regions are largely understood, except possibly important roles of a turbulent near-surface dynamo at its bottom, internal gravity waves at its top, and…

太阳与恒星天体物理 · 物理学 2015-06-03 Robert J. Rutten