NON-LANDAU CRITICAL-BEHAVIOR OF HEAT-CAPACITY AT THE SMECTIC-A-SMECTIC-C-ALPHA(ASTERISK) TRANSITION OF THE ANTIFERROELECTRIC LIQUID-CRYSTALMETHYLHEPTYLOXYCARBONYLPHENYL OCTYLOXYCARBONYLBIPHENYL CARBOXYLATE

Authors
EMA K YAO H FUKUDA A TAKANISHI Y TAKEZOE H
Citation
K. Ema et al., NON-LANDAU CRITICAL-BEHAVIOR OF HEAT-CAPACITY AT THE SMECTIC-A-SMECTIC-C-ALPHA(ASTERISK) TRANSITION OF THE ANTIFERROELECTRIC LIQUID-CRYSTALMETHYLHEPTYLOXYCARBONYLPHENYL OCTYLOXYCARBONYLBIPHENYL CARBOXYLATE, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 54(4), 1996, pp. 4450-4453
Citations number
27
Categorie Soggetti
Physycs, Mathematical","Phsycs, Fluid & Plasmas
Journal title
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics → ACNP
ISSN journal
1063651X
Volume
54
Issue
4
Year of publication
1996
Part
B
Pages
4450 - 4453
Database
ISI
SICI code
1063-651X(1996)54:4<4450:NCOHAT>2.0.ZU;2-Q
Abstract
High resolution ac calorimetric measurements have been carried out nea r the smectic-A-smectic-C phase transition in an antiferroelectric liq uid crystal 4-(1-methylheptyloxycarbonyl)phenyl 4'-octyloxycarbonylbip henyl-4-carboxylate. A clear deviation from the extended mean-field La ndau behavior was seen. The data have been analyzed using a renormaliz ation-group expression including the correction-to-scaling terms. It w as found that the heat-capacity anomaly can be described with the thre e-dimensional XY model, in agreement with the theoretical prediction.