Cross-correlations in multispin relaxation

Anil Kumar, ; Madhu, P. K. (1996) Cross-correlations in multispin relaxation Concepts in Magnetic Resonance Part A: An Educational Journal, 8 (2). pp. 139-160. ISSN 1546-6086

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/(SICI)1...

Related URL: http://dx.doi.org/10.1002/(SICI)1099-0534(1996)8:2<139::AID-CMR4>3.0.CO;2-#

Abstract

Whenever there is more than one mechanism for the relaxation of a spin, there can be cross-terms between these mechanisms. These cross-terms, known as cross-correlations affect both the longitudinal and the transverse relaxation of a spin, as well as the Nuclear Overhauser Effect (NOE) to the other spins. The major effect of these cross-terms is a differential effect, also known as multiplet effect between various transitions of a spin. The detection of the multiplet effect therefore requires that the various transitions be resolved by J-coupling. A smaller effect is a second-order net effect, which also can influence the various relaxation measurements. This article is a pedagogic review of cross-correlation effects in longitudinal and transverse relaxation and NOE experiments. Representative experiments demonstrating the presence of cross-correlation in the longitudinal and transverse relaxation of a spin are also discussed.

Item Type:Article
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ID Code:729
Deposited On:25 Sep 2010 10:28
Last Modified:12 May 2011 14:26

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