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This work presents a new plasma cooling curve that is calculated using the SPEX package. We compare our cooling rates to those in previous works, and implement the new cooling function in the grid-adaptive framework `AMRVAC'. Contributions…

星系天体物理 · 物理学 2009-11-26 K. M. Schure , D. Kosenko , J. S. Kaastra , R. Keppens , J. Vink

This letter presents a detailed performance analysis of the intelligent reflecting surface (IRS) aided single-input single-output communication systems, taking into account of the direct link between the transmitter and receiver. A…

信息论 · 计算机科学 2020-08-04 Qin Tao , Junwei Wang , Caijun Zhong

Integrated sensing and communications (ISAC) is a spectrum-sharing paradigm that allows different users to jointly utilize and access the crowded electromagnetic spectrum. In this context, intelligent reflecting surfaces (IRSs) have lately…

信息论 · 计算机科学 2023-08-31 Zahra Esmaeilbeig , Arian Eamaz , Kumar Vijay Mishra , Mojtaba Soltanalian

Prompted by the relevant problem of temperature inversion (i.e. gradient of density anti-correlated to the gradient of temperature) in astrophysics, we introduce a novel method to model a gravitationally confined multi-component…

等离子体物理 · 物理学 2024-11-20 Luca Barbieri , Emanuele Papini , Pierfrancesco Di Cintio , Simone Landi , Andrea Verdini , Lapo Casetti

The electrostatic screening properties of ionic fluids are of paramount importance in countless physical processes. Yet, the behavior of ionic conductors out of thermal equilibrium has to date mainly been studied in the context of…

统计力学 · 物理学 2023-04-19 Andrea Grisafi , Federico Grasselli

Non-invasive temperature monitoring of individuals plays a crucial role in identifying and isolating symptomatic individuals. Temperature monitoring becomes particularly vital in settings characterized by close human proximity, often…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Arijit Samal , Haroon R Lone

Coherent thermal emission for a given polarization has been observed in many metamaterials with micro/nanostructures. A complete description of the thermal emission requires the full characterization of the spectral angular emissivity for…

光学 · 物理学 2022-12-21 Chiyu Yang , Wenshan Cai , Zhuomin M. Zhang

This paper presents nonlinear iterative methods for the fundamental thermal radiative transfer (TRT) model defined by the time-dependent multifrequency radiative transfer (RT) equation and the material energy balance (MEB) equation. The…

数值分析 · 数学 2024-09-24 Dmitriy Y. Anistratov

Passive radiative cooling technologies are highly attractive in pursuing sustainable development. However, current cooling materials are often static, which makes it difficult to cope with the varying needs of all-weather thermal comfort…

材料科学 · 物理学 2023-03-01 Xin Li , Zhenmin Ding , Giuseppe Emanuele Lio , Jiupeng Zhao , Hongbo Xu , Lorenzo Pattelli , Lei Pan , Yao Li

In this paper, a proposal is presented to determine the temperature profile obtained for an assemblage of non-isothermal linear energy converters (ANLEC) published by Jimenez de Cisneros and Calvo Hernandez [1,2]. This is done without…

统计力学 · 物理学 2020-02-10 S. Gonzalez-Hernandez , L. A. Arias-Hernandez

Intelligent reflecting surfaces (IRS) are valuable tools for enhancing the intelligence of the propagation environment. They have the ability to direct EM Waves to a specific user through beamforming. A significant number of passive…

应用物理 · 物理学 2024-05-13 Mohammadreza Jahangiri , Hossein Soleimani , Mohammad Soleimani

Asymptotic radiative transfer (ART), like diffusion theory, assumes the angular intensity distribution incident at a boundary is identical with that in the depth of the scattering medium. However, the asymptotic intensity profile and…

光学 · 物理学 2019-05-06 Adrian Selden

We discuss inherent thermometry in a Superconductor - Normal metal - Superconductor tunnel junction. In this configuration, the energy selectivity of single-particle tunneling can provide a significant electron cooling, depending on the…

超导电性 · 物理学 2009-11-13 Hervé Courtois , Sukumar Rajauria , Philippe Gandit , Frank Hekking , Bernard Pannetier

This work builds on the previous introduction [1] of a coupled experimental-computational system devised to fully characterize the thermal behavior of complex 3D submicron electronic devices. The new system replaces the laser-based surface…

材料科学 · 物理学 2007-09-13 Peter E. Raad , Pavel L. Komarov , M. Burzo

As a representative device exploiting both the solar energy and the radiative cooling of deep-sky, the radiative temperature regulator (RTR) could switch between heating and cooling modes self-adaptively at different temperatures. However,…

光学 · 物理学 2021-02-26 Haipeng Zhao , Yaohui Zhan , Shuliang Dou , Liang Wang , Yao Li , Xiaofeng Li

Cyclic voltammetry (CV) is a powerful technique for characterizing electrochemical properties of electrochemical devices. During charging-discharging cycles, thermal effect has profound impact on its performance, but existing theoretical…

介观与纳米尺度物理 · 物理学 2023-07-04 Teng Zhao , Shuangliang Zhao , Shenggao Zhou , Zhenli Xu

We investigate the two-channel nonreciprocal scattering of a coherent atomic ensemble under the linear spatial Kramers-Kronig modulation, which has potential applications in chiral phase modulation and broadband coherent perfect/asymmetric…

量子物理 · 物理学 2024-01-02 Yi-Xin Wang , Yan Zhang , Lei Du , Jin-Hui Wu

On the quest towards full control over wave propagation, the development of compact devices that allow asymmetric response is a challenge. In this Letter, we introduce a new paradigm for the engineering of asymmetry in planar structures,…

X-ray energy spectrum plays an essential role in imaging and related tasks. Due to the high photon flux of clinical CT scanners, most of the spectrum estimation methods are indirect and are usually suffered from various limitations. The…

医学物理 · 物理学 2016-04-19 Wei Zhao , Qiude Zhang , Tianye Niu

This paper proposes a radial dependent dispersive finite-difference time-domain method for the modelling of electromagnetic cloaking structures. The permittivity and permeability of the cloak are mapped to the Drude dispersion model and…

经典物理 · 物理学 2009-11-13 Yan Zhao , Christos Argyropoulos , Yang Hao