A Langevin Canonical Approach to the Dynamics of Chiral Systems: Thermal Averages and Heat Capacity

2014 
A Langevin canonical framework for a chiral two-level system coupled to a bath of harmonic oscillators was developed within a coupling scheme different from the well-known spin-boson model. Thermal equilibrium values were reached at asymptotic times by solving the corresponding set of nonlinear coupled equations in a Markovian regime. In particular, phase difference thermal values (or, equivalently, the so-called coherence factor) and heat capacity through energy fluctuations were obtained and are discussed in terms of tunneling rates and asymmetries. Chirality 26:319–325, 2014. © 2014 Wiley Periodicals, Inc.
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