Global Order Parameter Critical Exponent: A Different Calculation Approach

Abstract

In this paper we present an approach that permits to study the behavior of the nematic phase's order parameter exponent (β) for all temperatures of the phase; our method makes an independent calculation of β for each temperature value T. Here use hypothetical data to analyze the consistence of the results, the limitation of the experimental data usability and the influences of the experimental errors on the β(T) curves. After that, we use experimental data to show that the order parameter critical-like exponent presents a constant behavior along the entire domain of the nematic phase.

Keywords:

• Nematic phase
• order parameter
• critical exponent

Acknowledgments

We are grateful to the Brazilian Agencies Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Fundação Araucária (Paraná), Conselho Nacional de Desenvolvimento Científico e Tecnológico (Ministério da Ciência e Tecnologia) and Instituto Nacional de Ciência e Tecnologia de Fluidos Complexos for financial support.