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The interior of a neutron star (NS) is usually assumed to be made of cold catalyzed matter. However, the outer layers are unlikely to remain in full equilibrium during the formation of the star and its cooling, especially after…

高能天体物理现象 · 物理学 2019-12-09 A. F. Fantina , S. De Ridder , N. Chamel , F. Gulminelli

We investigate a non-equilibrium ionization state and an electron-ion two-temperature structure of the intracluster medium (ICM) in merging galaxy clusters using a series of N-body and hydrodynamic simulations. Mergers with various sets of…

宇宙学与河外天体物理 · 物理学 2015-05-14 Takuya Akahori , Kohji Yoshikawa

We present an ensemble X-ray analysis of systematic perturbations in the central hot gas properties for a sample of 28 nearby strong cool-core systems selected from the HIghest X-ray FLUx Galaxy Cluster Sample (HIFLUGCS). We analyze their…

宇宙学与河外天体物理 · 物理学 2021-12-01 Shutaro Ueda , Keiichi Umetsu , FanLam Ng , Yuto Ichinohe , Tetsu Kitayama , Sandor M. Molnar

Topological superconductors, such as noncentrosymmetric superconductors with strong spin-orbit coupling, exhibit protected zero-energy surface states, which possess an intricate helical spin structure. We show that this nontrival spin…

超导电性 · 物理学 2013-10-10 Johannes S. Hofmann , Raquel Queiroz , Andreas P. Schnyder

A photoionized gas in thermal equilibrium can display a thermal instability, with 3 or more solutions in the multi-branch region of the S-shape curve giving the temperature versus the radiation-to-gas-pressure ratio. Many studies have been…

天体物理学 · 物理学 2009-11-11 A. C. Goncalves , S. Collin , A. -M. Dumont , L. Chevallier

The impurity effects are studied for the BiS_{2}- layered superconductors based on a two orbital model with the Bogoliubov-de-Gennes technique. The superconducting critical temperature (T_{c}) as a function of the mpurity concentration is…

超导电性 · 物理学 2013-10-29 S. L. Liu

The bolometric radiation from a central body is potentially a powerful driver of atmospheric escape from planets or satellites. When heated above their equilibrium temperatures those satellites, due to their low surface gravity, are be…

地球与行星天体物理 · 物理学 2025-03-25 Matthäus Schulik , James E. Owen , Richard A. Booth , Shun Fai Ling , Shun Ping Wong

The influence of (non-magnetic and magnetic) impurities on the transition temperature of a d-wave superconductor is studied anew within the framework of BCS theory. Pairing interaction decreases linearly with the impurity concentration.…

超导电性 · 物理学 2009-10-30 Mi-Ae Park , M. H. Lee , Yong-Jihn Kim

It is found that in a wide range of temperatures and magnetic fields even a small concentration of magnetic impurities in a sample leads to a $T^{-1}$ temperature dependence of the nuclear heat capacity. This effect is related to a…

凝聚态物理 · 物理学 2009-10-30 A. M. Dyugaev , Yu. N. Ovchinnikov , P. Fulde

The anomalous magnetic field dependence of dielectric properties of insulating glasses in the temperature interval $10mK<T<50mK$ is considered. In this temperature range, the dielectric permittivity is defined by the resonant contribution…

无序系统与神经网络 · 物理学 2009-11-11 Y. Sereda , I. Ya. Polishchuk , A. L. Burin

Galaxy clusters host a large reservoir of diffuse plasma with radially-varying temperature profiles. The efficiency of thermal conduction in the intracluster medium (ICM) is complicated by the existence of turbulence and magnetic fields,…

高能天体物理现象 · 物理学 2018-08-29 Xiang-Er Fang , Fulai Guo , Ye-Fei Yuan , Guobin Mou

We have obtained mid-infrared spectra of nine cool-core galaxy clusters with the Infrared Spectrograph aboard the Spitzer Space Telescope. X-ray, ultraviolet and optical observations have demonstrated that each of these clusters hosts a…

宇宙学与河外天体物理 · 物理学 2009-08-25 G. E. de Messières , R. W. O'Connell , B. R. McNamara , M. Donahue , P. E. J. Nulsen , G. M. Voit , M. W. Wise

With the recent inception of intense pulsed THz sources via optical rectification using crystalline lithium niobate, non-perturbative measurements of the internal local magnetic field are now possible using Pulsed Polarimetry on any…

等离子体物理 · 物理学 2025-09-22 Roger J Smith

Using the nuclear symmetry energy that has been recently constrained by the isospin diffusion data in intermediate-energy heavy ion collisions, we have studied the transition density and pressure at the inner edge of neutron star crusts,…

核理论 · 物理学 2014-11-20 Jun Xu , Che Ming Ko , Lie-Wen Chen , Bao-an Li , Hong-Ru Ma

We study the effects of finite stellar temperatures on the oscillations of superfluid neutron stars. The importance of these effects is illustrated with a simple example of a radially pulsating general relativistic star. Two main effects…

太阳与恒星天体物理 · 物理学 2011-06-07 E. M. Kantor , M. E. Gusakov

Polarized continuum emission from aligned grains in disks around young stellar objects can be used to probe the magnetic field, radiation anisotropy, or drift between dust and gas, depending on whether the non-spherical grains are aligned…

太阳与恒星天体物理 · 物理学 2020-04-09 Zhe-Yu Daniel Lin , Zhi-Yun Li , Haifeng Yang , Leslie Looney , Chin-Fei Lee , Ian Stephens , Shih-Ping Lai

In inboard-limited plasmas, foreseen to be used in future fusion reactors start-up and ramp down phases, the Scrape-Off Layer (SOL) exhibits two regions: the "near" and "far" SOL. The steep radial gradient of the parallel heat flux…

等离子体物理 · 物理学 2017-12-13 F. Nespoli , B. Labit , I. Furno , C. Theiler , U. Sheikh , C. K. Tsui , J. A. Boedo , the TCV team

We calculate suppression of inter- and intralayer superconducting currents due to equilibrium phase fluctuations and find that, in contrast to a recent prediction, the effect of thermal fluctuations cannot account for linear temperature…

超导电性 · 物理学 2009-10-31 S. N. Artemenko , S. V. Remizov

It is pointed out that searching for sterile neutrinos at high energy regions at a future IceCube-like facility has advantages compared with that of reactor or short baseline accelerator neutrino experiments, in which the size of the…

高能物理 - 唯象学 · 物理学 2022-01-14 Yabin Wang , Osamu Yasuda

The temperatures of interstellar dust grains are analyzed using stochastic simulations, taking into account the grain composition and size and the discreteness of the photon flux. [...] The distribution of grain temperatures is calculated…

天体物理学 · 物理学 2007-09-21 Kobi Horn , Hagai B. Perets , Ofer Biham