Sensitivity of the extended STIRAP method of selective population transfer to coupling to background states

Article Abstract:

The accuracy of the rotating wave approximation, which is conventionally used to simplify the STIRAP Hamiltonian, is examined. The selective population transfer to a particular one of a pair of degenerate states is insensitive to the couplings with the background states, and that the rotating wave approximation remains accurate in the presence of the background states.

Electric properties, Molecular dynamics, Molecules

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Free energies of hydration from a generalized born model and an all-atom force field

Article Abstract:

An efficient implementation of the GB/SA approach with the OPLS-AA (all-atom) force field is described. Migration to the OPLS-AA model allows much broader application, and it also yields improved accuracy in predicting free energies of hydration.

Ion Implantation, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers, Metal coating and allied services, Atomic force microscopy, Surface area

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A chemical Langevin equation with non-Gaussian noise

Article Abstract:

A Fokker-Planck equation is associated with a Langevin equation with Gaussian white noise. A chemical master equation is associated with a chemical Langevin equation with non-Gaussian white noise.

Usage, Noise, Noise (Sound), Random noise theory

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