Chandrakumar, N. (1990) Application of Lowdin projectors to evaluate density matrix evolutions Journal of Magnetic Resonance, 88 (1). pp. 86-92. ISSN 1090-7807
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Official URL: http://dx.doi.org//10.1016/0022-2364(90)90110-U
Related URL: http://dx.doi.org/10.1016/0022-2364(90)90110-U
Abstract
Projection operators are employed to evaluate functions of operators. In particular, this formalism is used to find polynomial expressions for exponential operators and thence to solve density matrix evolutions in closed analytical form. Problems explicitly treated include pulse rotation of spin-I and spin -3/2 systems, spin tickling and spin interferometry on a system of two coupled spin-½ nuclei, isotropic mixing in systems of two coupled nuclei (both spins-½ or spins-1), and dipolar evolution in a two-spin-½ system. The method is compared to the BCH approach for operator evolutions.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 5396 |
| Deposited On: | 18 Oct 2010 09:16 |
| Last Modified: | 28 May 2011 08:42 |
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