Coherent radiation by molecular magnets
arXiv:cond-mat/0505554 · doi:10.1209/epl/i2004-10496-6
Abstract
The possibility of coherent radiation by molecular magnets is investigated. It is shown that to realize the coherent radiation, it is necessary to couple the considered sample to a resonant electric circuit. A theory for describing this phenomenon is developed, based on a realistic microscopic Hamiltonian, including the Zeeman terms, single-site anisotropy, and dipole interactions. The role of hyperfine interactions between molecular and nuclear spins is studied. Numerical solutions of the spin evolution equations are presented.
Latex file, 11 pages, 3 figures
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- Coherent spin relaxation in molecular magnets
- Coherent spin radiation by magnetic nanomolecules and nanoclusters
- Microwave emission from a crystal of molecular magnets -- The role of a resonant cavity
- Electromagnetic radiation emanating from the molecular nanomagnet Fe8
- Collective spin dynamics in magnetic nanomaterials
- Triggering spin reversal in nanomolecules and nanoclusters on demand
- Method of dynamic resonance tuning in spintronics of nanosystems