Spectra of Husimi cacti: exact results and applications |
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Authors: | Galiceanu Mircea Blumen Alexander |
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Affiliation: | Theoretische Polymerphysik, Universit?t Freiburg, Hermann-Herder-Strasse 3, D-79104 Freiburg, Germany. mircea.galiceanu@physik.uni-freiburg.de |
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Abstract: | Starting from exact relations for finite Husimi cacti we determine their complete spectra to very high accuracy. The Husimi cacti are dual structures to the dendrimers but, distinct from these, contain loops. Our solution makes use of a judicious analysis of the normal modes. Although close to those of dendrimers, the spectra of Husimi cacti differ. From the wealth of applications for measurable quantities which depend only on the spectra, we display for Husimi cacti the behavior of the fluorescence depolarization under quasiresonant Forster energy transfer. |
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