Ravichandran, S. ; Bagchi, Biman (1996) Orientational relaxation in a random dipolar lattice: role of spatial density fluctuations in supercooled liquids Physical Review Letters, 76 (4). pp. 644-647. ISSN 0031-9007
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Official URL: http://link.aps.org/doi/10.1103/PhysRevLett.76.644
Related URL: http://dx.doi.org/10.1103/PhysRevLett.76.644
Abstract
We have carried out a computer "experiment" of orientational relaxation in a spatially random and orientationally disordered dipolar lattice (RDL), generated by quenching only the translational motion of a dense liquid. In the high polarity limit, the orientational relaxation of the RDL is dramatically different from that of the parent liquid, the former exhibits a very slow, nonexponential long time decay of the orientational correlation functions and markedly non-Debye dielectric relaxation. These results clearly demonstrate the importance of spatial density fluctuations in orientational relaxation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 4328 |
| Deposited On: | 18 Oct 2010 08:54 |
| Last Modified: | 10 Jan 2011 05:51 |
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