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Nonequilibrium free energy, H theorem and self-sustained oscillations for Boltzmann-BGK descriptions of semiconductor superlattices
Nonequilibrium processes Boltzmann equation current fluctuations
2010/11/22
Semiconductor superlattices (SL) may be described by a Boltzmann-Poisson kinetic equation with a Bhatnagar-Gross-Krook (BGK) collision term which preserves charge, but not momentum or energy.
Two-point generating function of the free energy for a directed polymer in a random medium
Directed polymer Lieb-Liniger Bose gas Kardar-Parisi-Zhang equation
2010/11/24
We consider a 1+1 dimensional directed continuum polymer in a Gaussian delta-correlated space-time random potential. For this model the moments (= replica)of the partition function, Z(x, t), can be ex...
Effect of Disclination Lines on Free Energy of Nematic Liquid Crystals
director field disclination line free energy saddle-splay bifurcation
2007/8/15
2005Vol.44No.2pp.213-222DOI:
Effect of Disclination Lines on Free Energy of Nematic Liquid Crystals
YANG Guo-Hong,1
ZHANG Hui,2 TIAN Li-Jun,1 WANG Yu-Sheng,1 and DUAN Yi-Shi3
...
Contribution of Disclination Lines to Free Energy of
Liquid Crystals in Single-Elastic Constant Approximation
director field disclination line free energy Lagrangian multiplier
2007/8/15
2004Vol.42No.2pp.185-188DOI:
Contribution of Disclination Lines to Free Energy of
Liquid Crystals in Single-Elastic Constant Approximation
YANG Guo-Hong,1 WANG Yu-Sheng,1 and DUAN...
Group Contributions to the Solvation Free Energy from MST Continuum Calculations
the Solvation Free Energy MST Continuum Calculations
2010/10/18
Group contributions to the free energy of solvation in water and octanol as well as to the octanol/water partition coefficient have been determined from Miertus-Scrocco-Tomasi continuum calculations. ...