| Issue |
Europhys. Lett.
Volume 70, Number 3, May 2005
|
|
|---|---|---|
| Page(s) | 306 - 312 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2004-10496-6 | |
| Published online | 06 April 2005 | |
Coherent radiation by molecular magnets
1
Institut für Theoretische Physik, Freie Universität Berlin Arnimallee 14, D-14195 Berlin, Germany
2
Bogolubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research Dubna 141980, Russia
3
Department of Computational Physics, Laboratory of Information Technologies Joint Institute for Nuclear Research - Dubna 141980, Russia
Received:
13
December
2004
Accepted:
14
March
2005
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.
PACS: 07.57.Hm – Infrared, submillimeter wave, microwave, and radiowave sources / 75.50.Xx – Molecular magnets / 76.20.+q – General theory of resonances and relaxations
© EDP Sciences, 2005
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