Quantum signatures in the dynamics of two dipole-dipole interacting soft dimers

The quantum covariances of physically transparent pairs of observables relative to two dimers hosted in a solid matrix are exactly investigated in the temporal domain. Both dimers possess fermionic and bosonic degrees of freedom and are dipolarly coupled. We find out and describe clear signatures tr...

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Bibliographic Details
Published in:The European physical journal. B, Condensed matter physics Condensed matter physics, 2006-04, Vol.50 (3), p.419-423
Main Authors: NAPOLI, A, MESSINA, A, CUSATI, T, DRAGANESCU, G
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Coherence
Dimers
Dipoles
Exact sciences and technology
Physics
Quantum mechanics
Quantum phenomena
Signatures
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Summary:The quantum covariances of physically transparent pairs of observables relative to two dimers hosted in a solid matrix are exactly investigated in the temporal domain. Both dimers possess fermionic and bosonic degrees of freedom and are dipolarly coupled. We find out and describe clear signatures traceable back to the presence and persistence of quantum coherence in the time evolution of the system. Manifestations of a competition between intramolecular and intermolecular energy migration mechanisms are brought to light. The experimental relevance of our results is briefly commented.
ISSN:1434-6028
1434-6036
DOI:10.1140/epjb/e2006-00166-1