Sujin Suwanna

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In this work, a physical system described by the Hamiltonian H(ω)=H(0)+V(ω)(t) consisting of a solvable model H(0) and external random and time-dependent potential V(ω)(t) is investigated. Under the conditions in which, for each realization, the potential changes smoothly so that the evolution of the system follows the Schrödinger dynamics, and that the(More)
Three pedestal temperature models in the work by T. Onjun et al [Phys. Plasma, 9 (2002), 5018] are improved by using self-consistent calculation of safety factor and magnetic shear, acquired directly from the 1.5D BALDUR integrated predictive modeling code. This modification results in an improved estimation of pedestal width and pedestal pressure gradient(More)
Effects of plasma geometry on nuclear fusion power production in ITER tokamak are investigated using the 1.5D BALDUR integrated predictive modeling code. In this work, shaping parameters, which are elongation and triangularity, are varied, and their impacts on nuclear fusion power production are observed. These simulations are explored with two different(More)
We investigate the problem of a decomposition of a dissipative dynamical map, which is used in quantum dynamics of a finite open quantum system, into two distinct types of mapping on a Hilbert-Schmidt space of quantum states represented by density matrices. One type corresponds to reversible behaviours, while the other to irreversible characteristics. For a(More)
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