We use the Landau theory of phase transitions to obtain the global phase diagram concerning the uniaxial nematic, biaxial nematic, uniaxial smectic-A and biaxial smectic-A phases.
The Boltzmann kinetic equation is obtained from an integrodifferential master equation that describes a stochastic dynamics in phase space of an isolated thermodynamic system.
A chemical reaction is a process in which one or more substances, the reactants, are transformed into another or other substances, the products.
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Natural phenomena to which we assign a random character occur with great frequency. They are commonly characterized as unpredictable, irregular or erratic, and happen not only in the macroscopic world but also in the microscopic world.
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This point which determines the end of the coexistence line and corresponds to get more info the state in which th...
We investigate the nonequilibrium stationary states of systems consisting of chemical reactions among molecules of several chemical species.
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Non-equilibrium systems under temperature modulation are investigated in the light of the stochastic thermodynamics. We show that, for small amplitudes of the temperature oscillations, the heat flux behaves sinusoidally with time, a result that allows the definition of the complex heat capacity. The real part of the complex heat capacity is the dyn...
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To each sitio one associates a Mario de Oliveira stochastic variable that takes discrete values. Here we consider the simplest example in which the variables take only two values: + 1 or − 1. W...