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The density profile of a cool core of intracluster gas is investigated for a cluster of galaxies that is initially in the virial equilibrium state, and then undergoes radiative cooling. The initial gas profile is derived under the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Naomi Ota , Kiyokazu Onzuka , Kuniaki Masai

Even when cooled through its transition temperature in the presence of an external magnetic field, a superconductor can expel nearly all external magnetic flux. This Letter presents an experimental study to identify the parameters that most…

We present a theory of radio-frequency spectroscopy of impurities interacting with a quantum gas at finite temperature. By working in the canonical ensemble of a single impurity, we show that the impurity spectral response is directly…

Quantum Gases · Physics 2020-08-12 Weizhe Edward Liu , Zhe-Yu Shi , Meera M. Parish , Jesper Levinsen

We report a study in which the effect of defects/impurities, growth process, off-stoichiometry, and presence of impurity phases on the superconducting properties of noncentrosymmetric CePt3Si is analysed by means of the temperature…

Superconductivity · Physics 2015-05-13 I. Bonalde , R. L. Ribeiro , W. Bramer-Escamilla , C. Rojas , E. Bauer , A. Prokofiev , Y. Haga , T. Yasuda , Y. Onuki

We review in a tutorial fashion some of the causes of impurity density variations along field lines and radial impurity transport in the moment approach framework. An explicit and compact form of the parallel inertia force valid for…

The Very Local Interstellar Medium (VLISM) contains clouds which consist of partially-ionized plasma. These clouds can be effectively diagnosed via high resolution optical and ultraviolet spectroscopy of the absorption lines they form in…

Astrophysics of Galaxies · Physics 2015-05-19 Steven R. Spangler , Allison H. Savage , Seth Redfield

The disparate nature of thermal-nonthermal energy partition during flares, particularly during weak flares, is still an open issue. Following the Neupert effect, quantifying the relative yield of X-ray emission in different energy bands can…

Solar and Stellar Astrophysics · Physics 2024-02-06 Arun Kumar Awasthi , Tomasz Mrozek , Sylwester Kołomański , Michalina Litwicka , Marek Stęślicki , Karol Kułaga

We investigate the finite-temperature screening behavior of three-dimensional U(1) spin liquid phases with fracton excitations. Several features are shared with the conventional U(1) spin liquid. The system can exhibit spin liquid physics…

Strongly Correlated Electrons · Physics 2017-09-13 Michael Pretko

Phase transitions of a finite-size two-dimensional quantum fluid of bosons in presence of impurities are studied by using the truncated Gross-Pitaevskii model. Impurities are described with classical degrees of freedom. A spontaneous…

Statistical Mechanics · Physics 2019-07-03 Umberto Giuriato , Giorgio Krstulovic , Davide Proment

Anisotropic charge carrier transport in black phosphorus limited by ionized impurity scattering at finite temperature is explored theoretically. The anisotropic electronic structure enters the calculation for the polarizability (screening),…

Mesoscale and Nanoscale Physics · Physics 2017-05-03 Yue Liu , P. Paul Ruden

Spatially resolved relaxation of non-equilibrium quasiparticles in a superconductor at ultra-low temperatures was experimentally studied. It was found that the quasiparticle injection through a tunnel junction results in modification of the…

Superconductivity · Physics 2011-03-22 K. Yu. Arutyunov , H. -P. Auraneva , A. S. Vasenko

Physical properties of anisotropic superconductors like the critical temperature and others depend sensitively on the electron mean free path. The sensitivity to impurity scattering and the resulting anomalies are considered a…

Superconductivity · Physics 2016-08-15 M. L. Kulić , O. V. Dolgov

Recently, high-resolution Chandra observations revealed the existence of very sharp features in the X-ray surface brightness and temperature maps of several clusters (Vikhlinin et. al., 2001). These features, called ``cold fronts'', are…

Astrophysics · Physics 2009-11-07 Daisuke Nagai , Andrey V. Kravtsov

Nonvolatile spintronics-based devices that utilize electron spin both to store and transport information face a great challenge when scaled to nano dimensions due to loss of thermal stability and stray field induced disturbance in closely…

Mesoscale and Nanoscale Physics · Physics 2023-09-28 Kutay Akin , Hasan Piskin , Ege Selvi , Emre Demircanli , Sevval Ari , Mohammad Hassan Ramezan zadeh , Bayram Kocaman , Ozhan Ozatay

In order to investigate the spatial distribution of the ICM temperature in galaxy clusters in a quantitative way and probe the physics behind, we analyze the X-ray spectra of a sample of 50 galaxy clusters, which were observed with the…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-13 Zhenghao Zhu , Haiguang Xu , Jingying Wang , Junhua Gu , Weitian Li , Dan Hu , Chenhao Zhang , Liyi Gu , Tao An , Chengze Liu , Zhongli Zhang , Jie Zhu , Xiang-Ping Wu

Due to the node structure of the gap in a d-wave superconductor, the presence of impurities generates a finite density of quasiparticle excitations at zero temperature. Since these impurity-induced quasiparticles are both generated and…

Superconductivity · Physics 2009-10-31 A. C. Durst , P. A. Lee

Fourier transform scanning tunneling spectroscopy (FT-STS) measures the scattering of conduction electrons from impurities and defects, giving information about the electronic structure of both the host material and adsorbed impurities. We…

Strongly Correlated Electrons · Physics 2015-07-14 Philip G. Derry , Andrew K. Mitchell , David E. Logan

The application of a bundling technique to model the diverse charge states of tungsten impurity species in total-f gyrokinetic simulations is demonstrated. The gyrokinetic bundling method strategically groups tungsten ions of similar…

Plasma Physics · Physics 2024-10-21 J. Dominski , C. S. Chang , R. Hager , S. Ku , E. S. Yoon , V. Parail

Cosmological constraints from clusters rely on accurate gravitational mass estimates, which strongly depend on cluster gas temperature measurements. Therefore, systematic calibration differences may result in biased, instrument-dependent…

Cosmology and Nongalactic Astrophysics · Physics 2015-02-18 G. Schellenberger , T. H. Reiprich , L. Lovisari , J. Nevalainen , L. David

We present spatially resolved X-ray spectra taken with the EPIC cameras of XMM-Newton of a sample of 17 cooling clusters and three non-cooling clusters for comparison. The deprojected spectra are analyzed with a multi-temperature model,…