A theory of dielectric absorption and dispersion in the nematic phase is developed which does not rely on the use of a nematic “director”. The major features of the spectrum are reproduced by using the fact that the autocorrelation functions 〈μ(0) · υ(t)〉 and 〈υ(t) · μ(0)〉 are no longer symmetry disallowed when the overall sample is anisotropic, as in the aligned nematic. Here μ is the dipole vector of the diffusing molecule and υ the centre of mass linear velocity.
A theory of the dielectric loss in the aligned nematic mesophase / Ferrario, Mauro; Myron, Evans. - In: PHYSICA. A. - ISSN 0378-4371. - STAMPA. - 108:(1981), pp. 135-142. [10.1016/0378-4371(81)90168-0]
A theory of the dielectric loss in the aligned nematic mesophase
FERRARIO, Mauro;
1981
Abstract
A theory of dielectric absorption and dispersion in the nematic phase is developed which does not rely on the use of a nematic “director”. The major features of the spectrum are reproduced by using the fact that the autocorrelation functions 〈μ(0) · υ(t)〉 and 〈υ(t) · μ(0)〉 are no longer symmetry disallowed when the overall sample is anisotropic, as in the aligned nematic. Here μ is the dipole vector of the diffusing molecule and υ the centre of mass linear velocity.
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