40 citations · 278 across the 24 of their papers we have counts for
24 papers
Low-lying energy bands in a finite periodic multiple-well potential
Dae-Yup Song
We analyze the low-lying states for a one-dimensional potential consisting of identical wells, assuming that the wells are parabolic around the minima. Matching the exact wave…
Localization or tunneling in asymmetric double-well potentials
Dae-Yup Song
An asymmetric double-well potential is considered, assuming that the wells are parabolic around the minima. The WKB wave function of a given energy is constructed inside the barrie…
Coherent Control of Tunneling in Double-Well Potentials
Dae-Yup Song
For an asymmetric double-well potential system, it is shown that, if the potential is quadratic until it reaches several times of the zero-point energies from the bottoms in each w…
Tunneling and energy splitting in an asymmetric double-well potential
Dae-Yup Song
An asymmetric double-well potential is considered, assuming that the minima of the wells are quadratic with a frequency and the difference of the minima is close to a multiple…
Exact coherent states of a noninteracting Fermi gas in a harmonic trap
Dae-Yup Song
Exact and closed-form expressions of the particle density, the kinetic energy density, the probability current density, and the momentum distribution are derived for a coherent sta…
Collective motions of a quantum gas confined in a harmonic trap
Dae-Yup Song
Single-component quantum gas confined in a harmonic potential, but otherwise isolated, is considered. From the invariance of the system of the gas under a displacement-type transfo…