Non-Empty Quantum Dot as a Spin-Entangler
| dc.creator | Chou, Chih-Lung | |
| dc.date | 2002-12-23 | |
| dc.date | 2003-02-11 | |
| dc.date.accessioned | 2026-07-07T06:05:46Z | |
| dc.date.available | 2026-07-07T06:05:46Z | |
| dc.description | We consider a three-port single-level quantum dot system with one input and two output leads. Instead of considering an empty dot, we study the situations that two input electrons co-tunnel through the quantum dot occupied by one or two dot electrons. We show that electron entanglement can be generated via the co-tunneling processes when the dot is occupied by two electrons, yielding non-local spin-singlet states at the output leads. When the dot is occupied by a single electron, net spin-singlet final states could be generated by injecting polarized electrons to the dot system. When the input electrons are unpolarized, we show that by carefully arranging model parameters non-local spin-triplet electrons can also be obtained at the output leads if the dot-electron spin remains unchanged in the final state. | |
| dc.description | 10 pages, 4 figures;monir changes on abstract and content, typos corrected | |
| dc.identifier | https://arxiv.org/abs/quant-ph/0212131 | |
| dc.identifier | http://arxiv.org/abs/quant-ph/0212131 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/90748 | |
| dc.subject | Quantum Physics | |
| dc.title | Non-Empty Quantum Dot as a Spin-Entangler | |
| dc.type | text |