dorsal/arxiv
View SchemaControlled Flow of Spin-Entangled Electrons via Adiabatic Quantum Pumping
| Authors | Kunal K. Das, Sungjun Kim, Ari Mizel |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0506172 |
| URL | https://arxiv.org/abs/quant-ph/0506172 |
| DOI | 10.1103/PhysRevLett.97.096602 |
| Journal | Phys. Rev. Lett. 97, 096602 (2006) |
Abstract
We propose a method to dynamically generate and control the flow of spin-entangled electrons, each belonging to a spin-singlet, by means of adiabatic quantum pumping. The pumping cycle functions by periodic time variation of localized two-body interactions. We develop a generalized approach to adiabatic quantum pumping as traditional methods based on scattering matrix in one dimension cannot be applied here. We specifically compute the flow of spin-entangled electrons within a Hubbard-like model of quantum dots, and discuss possible implementations and identify parameters that can be used to control the singlet flow.
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"abstract": "We propose a method to dynamically generate and control the flow of\nspin-entangled electrons, each belonging to a spin-singlet, by means of\nadiabatic quantum pumping. The pumping cycle functions by periodic time\nvariation of localized two-body interactions. We develop a generalized approach\nto adiabatic quantum pumping as traditional methods based on scattering matrix\nin one dimension cannot be applied here. We specifically compute the flow of\nspin-entangled electrons within a Hubbard-like model of quantum dots, and\ndiscuss possible implementations and identify parameters that can be used to\ncontrol the singlet flow.",
"arxiv_id": "quant-ph/0506172",
"authors": [
"Kunal K. Das",
"Sungjun Kim",
"Ari Mizel"
],
"categories": [
"quant-ph",
"cond-mat.mes-hall"
],
"doi": "10.1103/PhysRevLett.97.096602",
"journal_ref": "Phys. Rev. Lett. 97, 096602 (2006)",
"title": "Controlled Flow of Spin-Entangled Electrons via Adiabatic Quantum Pumping",
"url": "https://arxiv.org/abs/quant-ph/0506172"
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