Field Dependent Electron and Quadrupole Spin Relaxation: A Unified Treatment |
| D. Kruk
Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Cracow, Poland Institut für Festkörperphysik, TU Darmstadt, Hochschulstr. 6, 64289 Darmstadt, Germany |
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| Received: 13 12 2006; |
| This article reviews recent theoretical treatments of field dependent relaxation processes in complex systems containing mutually coupled dipolar, quadrupole, and electron spins. The presented approaches are based on an analogy between the Hamiltonian formalisms for quadrupole and zero field splitting interactions. Limitations of the presented treatments, resulting from the validity conditions of the second-order perturbation theory are discussed in detail. |
| DOI: 10.12693/APhysPolA.111.215 PACS numbers: 33.25.+k, 76.60.-k, 82.56.-b, 33.35.+r, 76.30.-v |