Phonon-induced spin-spin interactions in diamond nanostructures: application to spin squeezing
| Autor: | Mikhail D. Lukin, Steven Bennett, Peter Zoller, Norman Y. Yao, Peter Rabl, Johannes Otterbach |
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| Rok vydání: | 2013 |
| Předmět: |
Phonon
General Physics and Astronomy FOS: Physical sciences engineering.material 01 natural sciences 010305 fluids & plasmas Condensed Matter::Materials Science 0103 physical sciences Mesoscale and Nanoscale Physics (cond-mat.mes-hall) 010306 general physics Spin-½ Coupling Physics Quantum Physics Condensed matter physics Spins Condensed Matter - Mesoscale and Nanoscale Physics Relaxation (NMR) Diamond Spin engineering Condensed Matter::Mesoscopic Systems and Quantum Hall Effect 3. Good health Qubit engineering Condensed Matter::Strongly Correlated Electrons Quantum Physics (quant-ph) |
| Zdroj: | Physical Review Letters |
| DOI: | 10.48550/arxiv.1301.2968 |
| Popis: | We propose and analyze a novel mechanism for long-range spin-spin interactions in diamond nanostructures. The interactions between electronic spins, associated with nitrogen-vacancy centers in diamond, are mediated by their coupling via strain to the vibrational mode of a diamond mechanical nanoresonator. This coupling results in phonon-mediated effective spin-spin interactions that can be used to generate squeezed states of a spin ensemble. We show that spin dephasing and relaxation can be largely suppressed, allowing for substantial spin squeezing under realistic experimental conditions. Our approach has implications for spin-ensemble magnetometry, as well as phonon-mediated quantum information processing with spin qubits. Comment: 10 pages, 4 figures |
| Databáze: | OpenAIRE |
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