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We calculate the temperature dependent conductivity of graphene in the presence of randomly distributed Coulomb impurity charges arising from the temperature dependent screening of the Coulomb disorder without any phonons. The purely…

Mesoscale and Nanoscale Physics · Physics 2009-05-22 E. H. Hwang , S. Das Sarma

Gravity differs from all other known fundamental forces since it is best described as a curvature of spacetime. For that reason it remains resistant to unifications with quantum theory. Gravitational interaction is fundamentally weak and…

Doping of the band insulator FeS$_2$ with Co on the Fe site introduces a small density of itinerant carriers and magnetic moments. The lattice constant, AC and DC magnetic susceptibility, magnetization, and specific heat have been measured…

Strongly Correlated Electrons · Physics 2015-05-14 S. Guo , D. P. Young , R. T. Macaluso , D. A. Browne , N. L. Henderson , J. Y. Chan , L. L. Henry , J. F. DiTusa

Accurate thermal modeling of Terminal Test Masses (TTMs) is crucial for optimizing the sensitivity of gravitational wave interferometers like Virgo. In fact, in such gravitational wave detectors even minimal laser power absorption can…

We study the melting temperature of heavy mesons in the hot medium of light quarks. By solving the covariant Schr\"odinger equations at finite temperature for mesons $D$, $\phi$ and $J/\psi$, we obtained the temperature dependence of their…

Nuclear Theory · Physics 2013-07-26 Shuzhe Shi , Xingyu Guo , Pengfei Zhuang

In the mean field approximation, we evaluate the temperature dependence of the anchoring energy strength of a nematic liquid crystal in contact with a solid substrate due to thermal fluctuations. Our study is limited to the weak anchoring…

Soft Condensed Matter · Physics 2009-10-31 G. Barbero , A. K. Zvezdin

Temperature dependent FMR-measurements of Ni and Co films are analysed using a microscopic theory for ultrathin metallic systems. The mechanism governing the temperature dependence of the magnetic anisotropy energy is identified and…

Strongly Correlated Electrons · Physics 2009-11-11 J. Kienert , S. Schwieger , K. Lenz , J. Lindner , K. Baberschke , W. Nolting

Kagome materials are known to be an ideal platform that hosts a plethora of interesting phases such as topological states, electronic correlation, and magnetism, owing to their unique band structure and geometry. We report magnetotransport…

Strongly Correlated Electrons · Physics 2024-11-01 Zhiyuan Cheng , Yaojia Wang , Heng Wu , Mazhar N. Ali , Julia Y. Chan , Semonti Bhattacharyya

Measurements of thermal diffusivity \k{appa} (using laser flash analysis) for temperatures from 100 {\deg}C to 1200 {\deg}C and of the inversion parameter x (using X-ray analysis) for the single crystal spinel MgGa2O4 have been performed.…

Materials Science · Physics 2015-12-15 Linda Schwarz , Zbigniew Galazka , Thorsten M. Gesing , Detlef Klimm

This paper examines the effect of temperature on the structural stability and mechanical properties of 20 layered (10,10) single walled carbon nanotubes (SWCNTs) under tensile loading using an O(N) tight binding molecular dynamics (TBMD)…

Materials Science · Physics 2009-11-13 G. Dereli , B. Sungu

We determined the Newtonian Constant of Gravitation G by interferometrically measuring the change in spacing between two free-hanging pendulum masses caused by the gravitational field from large tungsten source masses. We find a value for G…

Classical Physics · Physics 2014-11-21 Harold V. Parks , James E. Faller

The finite-temperature transport properties of FeRh compounds are investigated by first-principles Density Functional Theory-based calculations. The focus is on the behavior of the longitudinal resistivity with rising temperature, which…

When smooth granular material is fluidized by vertically shaking a container, we find that the temperature in the direction of energy input always exceeds the temperature in the other directions. An analytical model is presented which shows…

Statistical Mechanics · Physics 2007-05-23 Devaraj van der Meer , Peter Reimann

To the best of our knowledge, there are no specific calculations of gravity-darkening exponents for white dwarfs in the literature. On the other hand, the number of known eclipsing binaries whose components are tidally and/or rotationally…

Solar and Stellar Astrophysics · Physics 2021-04-28 A. Claret

Thermal transpiration effects are commonly encountered in low pressure measurements with capacitance diaphragm gauges. They arise from the temperature difference between the measurement volume and the temperature stabilised manometer.…

Chemical Physics · Physics 2014-02-07 Barthélémy Daudé , Hadj Elandaloussi , Christof Janssen

Construction of a large-scale cryogenic gravitational-wave telescope KAGRA has been completed and the four sapphire test masses have been installed in cryostat vacuum chambers. It recently turned out that a sapphire substrate used for one…

Instrumentation and Methods for Astrophysics · Physics 2020-07-06 Kentaro Somiya , Eiichi Hirose , Yuta Michimura

The thermal noise is expected to be one of the main limiting factors on the sensitivity of interferometric gravitational-wave detectors like LIGO and VIRGO. Thermal fluctuations of internal modes of the interferometer's test masses and of…

Instrumentation and Detectors · Physics 2007-05-23 Constantin Brif

We compare theoretical expectations for the Casimir force with the results of precise measurements. The force is calculated at finite temperature for multilayered covering of the bodies using the Lifshitz theory. We argue that the…

Quantum Physics · Physics 2007-05-23 V. B. Svetovoy , M. V. Lokhanin

We study theoretically the internal thermal noise of a mirror coated on a plano-convex substrate. The comparison with a cylindrical mirror of the same mass shows that the effect on a light beam can be reduced by a factor 10, improving the…

Quantum Physics · Physics 2009-10-31 A. Heidmann , P. F. Cohadon , M. Pinard

A simple and low cost apparatus has been designed and built to measure the electrical resistivity, ($\rho$), of metal and semiconductors in 300-620 K temperature range. The present design is suitable to do measurement on rectangular bar…

General Physics · Physics 2017-04-14 Saurabh Singh , Sudhir K. Pandey