一维准粒子冷却、散射和扩散模拟

IF 1.1 3区 物理与天体物理 Q4 PHYSICS, APPLIED
Soren Ormseth, Peter Timbie, David Harrison, Robert McDermott, Emily Barrentine, Thomas Stevenson, Eric Switzer, Carrie Volpert
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引用次数: 0

摘要

动感探测器(KID)是一种新兴技术,可用于多种天文学应用,包括宜居系外行星成像任务(HabEx)、起源太空望远镜(OST)、膨胀和宇宙起源探测器(PICO)等。KID 在低温条件下工作,可以在很宽的波长范围内高精度、高灵敏度地探测光子。虽然许多 KID 模型都能很好地描述其在特定工作条件下的性能,但与类粒子动力学相关的一些重要物理知识尚未被很好地理解,也没有被整合到这些模型中,因此会对设备性能产生很大影响。在本文中,我们介绍了建立扩展 KID 模型的框架,展示了包含散射、冷却和扩散的准粒子扩散模拟结果,并讨论了对模型进行实验测试的计划。我们还讨论了未来模型将增加的其他功能,这些功能旨在捕捉研究人员遇到的各种潜在情况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Quasiparticle Cooling, Scattering, and Diffusion Simulations in 1D

Quasiparticle Cooling, Scattering, and Diffusion Simulations in 1D

Kinetic Inductance Detectors (KIDs) are an emerging technology useful for a wide variety of astronomy applications, including the Habitable Exoplanet Imaging Mission (HabEx), the Origins Space Telescope (OST), the Probe of Inflation and Cosmic Origins (PICO), and more. KIDs operate at cryogenic temperatures and can detect photons with high accuracy, sensitivity, and over a wide range of wavelengths. Though many KID models describe their performance well under certain operating conditions, some important pieces of physics related to quasiparticle dynamics are not yet either well understood or integrated into these models and can strongly affect device performance. In this paper we describe our framework for building an extended KID model, present the results of a quasiparticle diffusion simulation that incorporates scattering, cooling and diffusion, and discuss plans for the experimental testing of the model. We also discuss additional features to be added into future models that aim to capture a wide variety of potential scenarios encountered by researchers.

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来源期刊
Journal of Low Temperature Physics
Journal of Low Temperature Physics 物理-物理:凝聚态物理
CiteScore
3.30
自引率
25.00%
发文量
245
审稿时长
1 months
期刊介绍: The Journal of Low Temperature Physics publishes original papers and review articles on all areas of low temperature physics and cryogenics, including theoretical and experimental contributions. Subject areas include: Quantum solids, liquids and gases; Superfluidity; Superconductivity; Condensed matter physics; Experimental techniques; The Journal encourages the submission of Rapid Communications and Special Issues.
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