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Title: Dielectric studies of Goldstone mode and soft mode in the vicinity of the A-C* transition
Authors: Khened, S.M.
Krishna Prasad, S.
Shivkumar, B.
Sadashiva, B.K.
Issue Date: 1991
Publisher: EDP Sciences
Citation: Journal de Physique II, 1991, Vol.1, p171-180
Abstract: We report the results of dielectric studies on three ferroelectric liquid crystals exhibiting the A-C $^\star$ transition. Two relaxation modes viz., the soft mode and the Goldstone mode have been observed in the frequency domain covered. Careful measurements have allowed us to observe the soft mode relaxation in the C $^\star$ phase, even in the absence of a bias field, over a larger temperature range than in any previous study. The results are discussed in the light of the predictions of the generalised mean-field model.
Description: Restricted Access. Please click on the alternative location for the open-access full text.
ISSN: 1155-4312
1286-4870 (Online)
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Copyright: (1991) Les Editions de Physique
Appears in Collections:Research Papers (SCM)

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