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Titolo:
Elastic constants of binary liquid crystalline mixtures
Autore:
Kapanowski, A; Sokalski, K;
Indirizzi:
Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland Jagiellonian Univ Krakow Poland PL-30059 t Phys, PL-30059 Krakow, Poland
Titolo Testata:
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES
fascicolo: 12, volume: 53, anno: 1998,
pagine: 963 - 976
SICI:
0932-0784(199812)53:12<963:ECOBLC>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
BIAXIAL NEMATIC PHASE; STATISTICAL-THEORY; DIFFERENT LENGTHS; HARD; RODLIKE; TRANSITIONS; MOLECULES; DIAGRAMS; SYSTEMS; MODEL;
Keywords:
liquid crystals; nematics; elastic constants; mixtures;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Kapanowski, A Jagiellonian Univ, Inst Phys, Reymonta 4, PL-30059 Krakow, Poland Jagiellonian Univ Reymonta 4 Krakow Poland PL-30059 Poland
Citazione:
A. Kapanowski e K. Sokalski, "Elastic constants of binary liquid crystalline mixtures", Z NATURFO A, 53(12), 1998, pp. 963-976

Abstract

Microscopic expressions for the elastic constants of binary liquid crystalline mixtures composed of short rigid uniaxial molecules are derived in thethermodynamic limit at small distorsions and a small density. Uniaxial andbiaxial nematic phases are considered. The expressions involve the one-particle distribution functions and the potential energy of two-body short-range interactions. The theory is used to calculate the phase diagram of a mixture of rigid prolate and oblate molecules. The concentration dependence ofthe order parameters and the elastic constants are obtained. The possibility of phase separation is not investigated.

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Documento generato il 29/09/20 alle ore 13:21:16