Magnetoresistance in copper at high frequency and high magnetic fields

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Title
Magnetoresistance in copper at high frequency and high magnetic fields
Author(s)
Saebyeok Ahn; Sung Woo Youn; Jaeun Yoo; Dong Lak Kim; Junu Jeong; Myung Kyu Ahn; Junsung Kim; D. Lee; Jin Hong Lee; Tea Gyeong Seong; Yannis K. Semertzidis
Publication Date
2017-10
Journal
Journal of Instrumentation, v.12, no.10, pp.P10023 -
Publisher
IOP PUBLISHING LTD
Abstract
In halo dark matter axion search experiments, cylindrical microwave cavities are typically employed to detect signals from the axion-photon conversion. To enhance the conversion power and reduce the noise level, cavities are placed in strong solenoid magnetic fields at sufficiently low temperatures. Exploring high mass regions in cavity-based axion search experiments requires high frequency microwave cavities and thus understanding cavity properties at high frequencies in extreme conditions is deemed necessary. We present a study of the magnetoresistance of copper using a cavity with a resonant frequency of 12.9 GHz at the liquid helium temperature in magnetic fields up to 15 T utilizing a second generation high temperature superconducting magnet. The observations are interpreted to be consistent with the anomalous skin effect and size effect. This is the first measurement of magnetoresistance at a high frequency (>10 GHz) in high magnetic fields (>10 T). © 2017 IOP Publishing Ltd and Sissa Medialab
URI
https://pr.ibs.re.kr/handle/8788114/4073
ISSN
1748-0221
Appears in Collections:
Center for Axion and Precision Physics Research(액시온 및 극한상호작용 연구단) > Journal Papers (저널논문)
Files in This Item:
1. [유종희, Yannis PDF] Magnetoresistance in copper at high frequency and high magnetic fields.pdfDownload

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