@article{b10c85c272a9432ba089c0fd4f15187a,
title = "Difference in charge and spin dynamics in a quantum dot-lead coupled system",
abstract = "We analyze time evolution of charge and spin states in a quantum dot coupled to an electric reservoir. Utilizing high-speed single-electron detection, we focus on dynamics induced by the first-order tunneling. We find that there is a difference between the spin and the charge relaxation: The former appears slower than the latter. The difference depends on the Fermi occupation factor and the spin relaxation becomes slower when the energy level of the quantum dot is lowered. We explain this behavior by a theory including the first-order tunneling processes and find a good agreement between the experiment and the theory.",
author = "Tomohiro Otsuka and Takashi Nakajima and Delbecq, {Matthieu R.} and Peter Stano and Shinichi Amaha and Jun Yoneda and Kenta Takeda and Giles Allison and Sen Li and Akito Noiri and Takumi Ito and Daniel Loss and Arne Ludwig and Wieck, {Andreas D.} and Seigo Tarucha",
note = "Funding Information: We thank K. Ono and RIKEN CEMS Emergent Matter Science Research Support Team for fruitful discussions and technical support. Part of this work is supported by ImPACT Program of Council for Science, Technology and Innovation (Cabinet Office, Government of Japan), Grants-in-Aid for Scientific Research (26220710, 16H00817, 16K05411, 17H05187, and 18H01819), CREST (JPMJCR15N2 and JPMJCR1675), PRESTO (JPMJPR16N3), JST, RIKEN Incentive Research Project, The Thermal and Electric Energy Technology Foundation Research Grant, The Telecommunications Advancement Foundation Research Grant, Futaba Electronics Memorial Foundation Research Grant, MST Foundation Research Grant, Kato Foundation for Promotion of Science Research Grant, Hitachi Global Foundation Kurata Grant, The Okawa Foundation for Information and Telecommunications Research Grant, The Nakajima Foundation Research Grant, Japan Prize Foundation Research Grant, Iketani Science and Technology Foundation Research Grant, Yamaguchi Foundation Research Grant, DFG-TRR160, and the BMBF–Q.Link.X (16KIS0867). Publisher Copyright: {\textcopyright} 2019 American Physical Society.",
year = "2019",
month = feb,
day = "4",
doi = "10.1103/PhysRevB.99.085402",
language = "English",
volume = "99",
journal = "Physical Review B",
issn = "2469-9950",
publisher = "American Physical Society",
number = "8",
}