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Grating reflectors have been repeatedly discussed to improve the noise performance of metrological applications due to the reduction or absence of any coating material. So far, however, no quantitative estimate on the thermal noise of these…

The gain of SiPMs depends both on bias voltage and on temperature. For stable operations, both need to be kept constant. In an ILC calorimeter with millions of channels, this is a challenging task. It is, therefore, desirable to compensate…

仪器与探测器 · 物理学 2014-04-01 Jaroslav Cvach , Gerald Eigen , Jiri Kvasnicka , Ivo Polak , Erik van der Kraiij , Justas Zalieckas

The importance of thermoelastic damping as a fundamental dissipation mechanism for small-scale mechanical resonators is evaluated in light of recent efforts to design high-Q micrometer- and nanometer-scale electro-mechanical systems (MEMS…

介观与纳米尺度物理 · 物理学 2009-10-31 Ron Lifshitz , M. L. Roukes

Based on simplified one-dimensional steady-state analysis of thermoelectric phenomena and on analogies between thermal and electrical domains, we propose both lumped and distributed parameter electrical models for thermoelectric devices.…

综合物理 · 物理学 2008-01-08 D. Mitrani , J. Salazar , A. Turo , M. J. García , J. A. Chávez

This paper presents an improved version of the previously proposed self-consistent drift-diffusion-reaction model correcting for non-physical behavior at longer time scales. To this end a novel boundary condition is employed that takes into…

材料科学 · 物理学 2020-06-19 Behrouz Raftari , Neil Budko , Kees Vuik

Anisotropic thermal transport plays a key role in both theoretical study and engineering practice of heat transfer, but accurately measuring anisotropic thermal conductivity remains a significant challenge. To address this issue, we propose…

仪器与探测器 · 物理学 2023-11-21 Guang Yang , Bing-yang Cao

Geomagnetic disturbances (GMDs), a result of space weather, pose a severe risk to electric grids. When GMDs occur, they can cause geomagnetically-induced currents (GICs), which saturate transformers, induce hot-spot heating, and increase…

最优化与控制 · 数学 2020-06-05 Minseok Ryu , Harsha Nagarajan , Russell Bent

Mirror thermal noise is and will remain one of the main limitations to the sensitivity of gravitational wave detectors based on laser interferometers. We report about projected mirror thermal noise due to losses in the mirror coatings and…

广义相对论与量子宇宙学 · 物理学 2009-12-02 Janyce Franc , Nazario Morgado , Raffaele Flaminio , Ronny Nawrodt , Iain Martin , Liam Cunningham , Alan Cumming , Sheila Rowan , James Hough

An important process for antimatter experiments is the cooling of particles in a Penning-Malmberg trap to experimentally useful temperatures. A non-neutral plasma of one species (e.g. antiprotons) can be collisionally cooled on another…

等离子体物理 · 物理学 2025-11-13 James C. Welch , Louis Jose , Timothy D. Tharp , Scott D. Baalrud

We consider the Curie-Weiss model at a given initial temperature in vanishing external field evolving under a Glauber spin-flip dynamics corresponding to a possibly different temperature. We study the limiting conditional probabilities and…

数学物理 · 物理学 2015-05-18 Victor Ermolaev , Christof Kuelske

Atomic-resolution cryogenic scanning transmission electron microscopy (cryo-STEM) has provided a path to probing the microscopic nature of select low-temperature phases in quantum materials. Expanding cryo-STEM techniques to broadly tunable…

We investigate the thickness and temperature dependence of a series of Ni0:8Fe0:2/Ir0:2Mn0:8 bilayer samples with varying thickness ratio of the ferromagnet/antiferromagnet (tFM/tAFM) in order to explore the exchange coupling strengths in…

介观与纳米尺度物理 · 物理学 2016-08-02 H. Reichlova , V. Novak , Y. Kurosaki , M. Yamada , H. Yamamoto , A. Nishide , J. Hayakawa , H. Takahashi , M. Marysko , J. Wunderlich , X. Marti , T. Jungwirth

Room temperature properties and behavior of several types of cryogenic magnetic shielding materials are measured and reported here. Large changes in the effective relative permeability are observed when the materials are perturbed with a…

加速器物理 · 物理学 2016-01-05 Anthony C. Crawford

It is predicted magnetic skyrmions can be controllably moved on surfaces using a focused laser beam. Here an absorbed power of the order 1 mW, focused to a spot-size of the order 10 $\mu$m, results in a local temperature increase of around…

介观与纳米尺度物理 · 物理学 2023-01-24 Serban Lepadatu

Between 1995 and 2009, electron temperature (Te) measurements of more than 15000 plasmas produced in the Joint European Torus (JET) have been carefully reviewed using the two main diagnostics available over this time period: Michelson…

We apply adaptive feedback for the partial refrigeration of a mechanical resonator, i.e. with the aim to simultaneously cool the classical thermal motion of more than one vibrational degree of freedom. The feedback is obtained from a neural…

量子物理 · 物理学 2020-03-09 Christian Sommer , Muhammad Asjad , Claudiu Genes

All-solid-state nanoscale devices capable of efficiently controlling a heat flow are crucial for advanced thermal management technologies. Here we predict a magnon-driven magnetothermal resistance (mMTR) effect in multilayers of…

介观与纳米尺度物理 · 物理学 2025-07-03 Ping Tang , Ken-ichi Uchida , Gerrit E. W. Bauer

The precise measurement of temperature is crucial in various fields such as biology, medicine, industrial automation, energy management, and daily life applications. While in most scenarios, sensors with a fixed thermal conductivity…

应用物理 · 物理学 2024-01-09 Haohan Tan , Haoyang Cai , Peng Jin , Jiping Huang

We focus on the response of mechanically stable (MS) packings of frictionless, bidisperse disks to thermal fluctuations, with the aim of quantifying how nonlinearities affect system properties at finite temperature. Packings of disks with…

软凝聚态物质 · 物理学 2017-12-06 Q. Wu , T. Bertrand , M. D. Shattuck , C. S. O'Hern

We study the magnetic and thermodynamic properties of a spin-$1/2$ Ising system containing three layers, each of which is composed exclusively of one out of two possible types of atoms, \textbf{A} or \textbf{B}. The \textbf{A-A} and…

统计力学 · 物理学 2019-10-04 Ian Jordy Lopez Diaz , Nilton Silva Branco