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Spin dynamics of an ultra-small nanoscale molecular magnet
We present mathematical transformations which allow us to calculate the spin dynamics of an ultra-small nanoscale molecular magnet consisting of a dimer system of classical (high) Heisenberg spins. We derive exact analytic expressions (in integral form) for the time-dependent spin autocorrelation fu...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Springer
2007
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3245653/ http://dx.doi.org/10.1007/s11671-007-9049-5 |
| Sumario: | We present mathematical transformations which allow us to calculate the spin dynamics of an ultra-small nanoscale molecular magnet consisting of a dimer system of classical (high) Heisenberg spins. We derive exact analytic expressions (in integral form) for the time-dependent spin autocorrelation function and several other quantities. The properties of the time-dependent spin autocorrelation function in terms of various coupling parameters and temperature are discussed in detail. |
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