Nonlinear NMR dynamics in hyperpolarized liquid 3He
| dc.creator | Baudin, Emmanuel | |
| dc.creator | Hayden, Michael E. | |
| dc.creator | Tastevin, Geneviève | |
| dc.creator | Nacher, Pierre-Jean | |
| dc.date | 2007-10-18 | |
| dc.date | 2007-11-28 | |
| dc.date.accessioned | 2026-07-07T08:45:15Z | |
| dc.date.available | 2026-07-07T08:45:15Z | |
| dc.description | In a highly polarized liquid (laser-polarized 3He-4He mixtures in our experiment), dipolar magnetic interactions within the liquid introduce a significant nonlinear and nonlocal contribution to the Bloch equation that leads to instabilities during NMR evolution. We have launched a study of these instabilities using spin echo techniques. At high magnetizations, a simple 180 degree rf pulse fails to refocus magnetization, so we use a standard solid-state NMR pulse sequence: the magic sandwich. We report an experimental and numerical investigation of the effect of this sequence on unstable NMR evolution. Using a series of repeated magic sandwich sequences, the transverse magnetization lifetime can be increased by up to three orders of magnitude. | |
| dc.description | Accepted for publication in C. R. Chim. (2007), doi:10.1016/j.crci.2007.07.005 v2: typo corrected in Eq. (2) | |
| dc.identifier | https://arxiv.org/abs/0710.3567 | |
| dc.identifier | http://arxiv.org/abs/0710.3567 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/142908 | |
| dc.subject | Other Condensed Matter | |
| dc.title | Nonlinear NMR dynamics in hyperpolarized liquid 3He | |
| dc.type | text |