期刊
PHYSICAL REVIEW LETTERS
卷 115, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.115.096801
关键词
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资金
- JSPS [26247050, 25610070, 26220710]
- MEXT KAKENHHI Quantum Cybernetics
- MEXT project for Developing Innovation Systems
- JST Strategic International Cooperative
- BMBF [Q.com-H 16KIS0109, Mercur Pr-2013-0001]
- DFH/UFA [CDFA-05-06]
- ERC QSPINMOTION
- Fondation Nanoscience
- Grants-in-Aid for Scientific Research [26247050, 26220710, 25610070] Funding Source: KAKEN
We studied experimentally the dynamics of the exchange interaction between two antiparallel electron spins in an isolated double quantum dot where coupling to the electron reservoirs can be ignored. We demonstrate that the level of control of such a double dot is higher than in conventional double dots. In particular, it allows us to couple coherently two electron spins in an efficient manner following a scheme initially proposed by Loss and DiVincenzo [Phys. Rev. A 57, 120 (1998)]. The present study demonstrates that isolated quantum dots are a possible route to increase the number of coherently coupled quantum dots.
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