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Updated: Jun 12, 2025

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
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使用高斯过程回归的旋转解决ARPES实验的效率提高.

Hideaki Iwasawa1,2,3, Tetsuro Ueno4,5, Takuma Iwata6,7

  • 1Synchrotron Radiation Research Center, National Institutes for Quantum Science and Technology, Sayo, 679-5148, Japan. iwasawa.hideaki@qst.go.jp.

Scientific reports
|September 23, 2024
PubMed
概括

研究人员使用测量信息学改进了旋转解决的ARPES实验. 高斯过程回归 (GPR) 提供了一个新的停止标准,将实验时间缩短了5-10倍.

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NMR Spectrometers: Resolution and Error Correction01:14

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When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...
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