<正> The decoherence process is analyzed for an open quantum system that is classically chaotic,with a classicallinear frequency entropy developed to measure th
<正> Classification and reduction of the generalized fourth-order nonlinear differential equations arising from theliquid films are considered.It is shown that
<正> We analyze the dynamics of a bright soliton in Bose-Einstein condensates (BECs) with time-dependentatomic scattering length in an expulsive parabolic poten