中文
相关论文

相关论文: Low-temperature triple-alpha rate in a full three-…

200 篇论文

New high-resolution dissociative recombination rate coefficients of rotationally cool and hot H3+ in the vibrational ground state have been measured with a 22-pole trap setup and a Penning ion source, respectively, at the ion storage ring…

We present numerical results of a model calculation for the 3He bilayer system, which captures the interplay between fast and slow dynamics of the different layers and incorporates an independent scale for the three body ring exchange. By…

强关联电子 · 物理学 2015-02-13 Jan Werner , Fakher F. Assaad

Binary formation in clusters through triple encounters between three unbound stars, 'three-body' binary formation, is one of the main dynamical formation processes of binary systems in dense environments. In this paper, we use an analytical…

星系天体物理 · 物理学 2025-11-18 Yonadav Barry Ginat , Hagai B. Perets

We establish an empirical effective temperature calibration of main sequence, luminosity class V to III B-type stars for the Delta a photometric system which was originally developed to detect magnetic chemically peculiar objects of the…

天体物理学 · 物理学 2009-11-11 E. Paunzen , A. Schnell , H. M. Maitzen

Asymmetric nuclear matter equation of state at finite temperature is studied in SU(2) chiral sigma model using mean field approximation. The effect of temperature on effective mass, entropy, and binding energy is discussed. Treating the…

核理论 · 物理学 2011-07-19 Pravat Kumar Jena , Lambodar Prasad Singh

Recent observations have found several candidates for old warm neutron stars whose surface temperatures are above the prediction of the standard neutron star cooling scenario, and thus require some heating mechanism. Motivated by these…

高能天体物理现象 · 物理学 2020-02-20 Keisuke Yanagi , Natsumi Nagata , Koichi Hamaguchi

Background: The relativistic Hartree-Fock-Bogoliubov (RHFB) theory has recently been developed and it provides a unified and highly predictive description of both nuclear mean field and pairing correlations. Ground state properties of…

核理论 · 物理学 2015-12-16 Jia Jie Li , Jérôme Margueron , Wen Hui Long , Nguyen Van Giai

We perform a self-consistent calculation of the thermal structure in the crust of a superbursting neutron star. In particular, we follow the nucleosynthetic evolution of an accreted fluid element from its deposition into the atmosphere down…

天体物理学 · 物理学 2011-02-11 Sanjib Gupta , Edward F. Brown , Hendrik Schatz , Peter Moeller , Karl-Ludwig Kratz

We study the sensitivity of presupernova evolution and supernova nucleosynthesis yields of massive stars to variations of the helium-burning reaction rates within the range of their uncertainties. We use the current solar abundances from…

太阳与恒星天体物理 · 物理学 2013-08-21 Christopher West , Alexander Heger , Sam M. Austin

We present an analysis of high resolution spectra in the far-UV -- UV range (~905-2000\AA) with non-LTE, spherical, hydrodynamical, line-blanketed models, of three O-type Galactic stars, and derive their photospheric and wind parameters.…

太阳与恒星天体物理 · 物理学 2013-08-15 Luciana Bianchi , Miriam Garcia

We present new cooling sequences, color-magnitude diagrams, and color-color diagrams for cool white dwarfs with pure hydrogen atmospheres down to an effective temperature $\te=1500$ K. We include a more detailed treatment of the physics of…

天体物理学 · 物理学 2009-10-31 Gilles Chabrier , Pierre Brassard , Gilles Fontaine , Didier Saumon

Effects of a new triple-alpha reaction rate on the ignition of carbon-oxygen white dwarfs accreting helium in a binary systems have been investigated. The ignition points determine the properties of a thermonuclear explosion of a Type Ia…

高能天体物理现象 · 物理学 2010-12-03 Motoaki Saruwatari , Masa-aki Hashimoto

It is shown that a Coulomb suppression of the stellar enhancement factor occurs in many endothermic reactions at and far from stability. Contrary to common assumptions, reaction measurements for astrophysics with minimal impact of stellar…

太阳与恒星天体物理 · 物理学 2010-04-29 T. Rauscher , G. G. Kiss , Gy. Gyürky , A. Simon , Zs. Fülöp , E. Somorjai

We present a method to integrate predictions from a theoretical model of a reaction with three bodies in the final state over the region of phase space covered by a given experiment. The method takes into account the true experimental…

We derive the finite-temperature equation of state of dark matter superfluids with 2-body and 3-body contact interactions. The latter case is relevant to a recently proposed model of dark matter superfluidity that unifies the collisionless…

高能物理 - 理论 · 物理学 2019-06-05 Anushrut Sharma , Justin Khoury , Tom Lubensky

The reaction between D$^+$ and H$_2$ plays an important role in astrochemistry at low temperatures and also serves as a prototype for simple ion-molecule reaction. Its ground $\tilde{X}~^1A^{\prime}$ state has a very small thermodynamic…

化学物理 · 物理学 2018-11-14 Somnath Bhowmick , Duncan Bossion , Yohann Scribano , Yury V. Suleimanov

Nucleon effective masses are studied in the framework of the Brueckner-Hartree-Fock many-body approach at finite temperature. Self-consistent calculations using the Argonne $V_{18}$ interaction including microscopic three-body forces are…

核理论 · 物理学 2020-06-09 X. L. Shang , A. Li , Z. Q. Miao , G. F. Burgio , H. -J. Schulze

At radio wavelengths, solar-type stars emit thermal free-free and gyroresonance, gyrosynchrotron, and impulsive coherent emission. Thermal free-free emission originates at layers where the optical depth is close to unit, while high…

太阳与恒星天体物理 · 物理学 2018-08-29 C. Trigilio , G. Umana , F. Cavallaro , C. Agliozzo , P. Leto , C. S. Buemi , A. Ingallinera , F. Bufano , S. Riggi

In this paper, we study the three-body recombination rate of a homogeneous dilute Bose gas with a Feshbach resonance at zero temperature. The ground state and excitations of this system are obtained. The three-body recombination in the…

其他凝聚态物理 · 物理学 2009-11-11 Yingyi Zhang , Lan Yin

A collection of Johnson/Cousins photometry for stars with known [Fe/H] is used to generate color-color relations that include the abundance dependence. Literature temperature and bolometric correction dependences are attached to the color…

天体物理学 · 物理学 2011-01-27 G. Worthey , H. -c. Lee