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quant-ph2023
Error tradeoff relation for estimating the unitary-shift parameter of a relativistic spin-1/2 particle
Shin Funada, Jun Suzuki
The purpose of this paper is to discuss the existence of a nontrivial tradeoff relation for estimating two unitary-shift parameters in a relativistic spin-1/2 system. It is shown t…
cond-mat.mtrl-sci2023
Electrical detection of antiferromagnetic dynamics in Gd-Co thin films by using a 154-GHz gyrotron irradiation
S. Funada, Y. Ishikawa, M. Kimata +8
THz magnetization dynamics is a key property of antiferromagnets as well as ferrimagnets that could harness the THz forefront and spintronics. While most of the present THz measure…