This paper examines the questions of why and how foreign assistance was utilized successfully in South Korea but less so in Ghana, with a focus on the role of aid in the process of state building and state transition in these two countries. Before the 1960s, South Korea and Ghana shared approximately similar levels of GDP per capita. However, while South Korea achieved rapid economic developmen...

We study the adiabatic quantum dynamics of an anisotropic spin-1 XY chain across a quantum phase transition of the Berezinskii-Kosterlitz-Thouless type. The system is driven out of equilibrium by performing a quench on the uniaxial single-spin anisotropy, that is supposed to vary linearly in time. We show that, for sufficiently large system sizes, the excess energy after the quench admits a non...

This paper examines the questions of why and how foreign assistance was utilized successfully in South Korea but less so in Ghana, with a focus on the role of aid in the process of state building and state transition in these two countries. Before the 1960s, South Korea and Ghana shared approximately similar levels of GDP per capita. However, while South Korea achieved rapid economic developmen...

A practical method for finding free energy barriers for transitions in high-dimensional classical and quantum systems is presented and used to calculate the dissociative sticking probability of H 2 on a metal surface within transition state theory. The reversible work involved in shifting the system confined to a hyperplane from the reactant region towards products is evaluated directly. Quantu...

The abstraction and addition reactions of H with trans-N(2)H(2) are studied by high-level ab initio methods and density functional theory. Rate constants were calculated for these two reactions by multistructural variational transition state theory with multidimensional tunneling and including torsional anharmonicity by the multistructural torsion method. Rate constants of the abstraction react...

We consider the time-dependent Ginzburg-Landau equations, in the presence of electric current and the absence of magnetic field. We first study onedimensional equilibrium solutions on a semi-infinite domain, describing a layer of transition from the normal state at one edge to the fully superconducting state at infinity. We find that the normal conductivity has a significant effect on the maxim...