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11 papers · 2 filters
Continued fraction solution to the Raman interaction of a trapped ultracold ion with two traveling wave lasers
Mang Feng
Raman interaction of a trapped ultracold ion with two traveling wave lasers has been used extensively in the ion trap experiments. We solve this interaction in the absence of the r…
A Variational Expansion for the Free Energy of a Bosonic System
Wen-Fa Lu, Sang Koo You, Jino Bak +2
In this paper, a variational perturbation scheme for nonrelativistic many-Fermion systems is generalized to a Bosonic system. By calculating the free energy of an anharmonic oscill…
Quantum computing of quantum chaos and imperfection effects
Pil Hun Song, Dima L. Shepelyansky
We study numerically the imperfection effects in the quantum computing of the kicked rotator model in the regime of quantum chaos. It is shown that there are two types of physical…
Applications of Integrated Magnetic Microtraps
J. Reichel, W. Hänsel, P. Hommelhoff +1
Lithographically fabricated circuit patterns can provide magnetic guides and microtraps for cold neutral atoms. By combining several such structures on the same ceramic substrate,…
Dynamics of multiply charged ions in intense laser fields
S. X. Hu, C. H. Keitel
We numerically investigate the dynamics of multiply charged hydrogenic ions in near-optical linearly polarized laser fields with intensities of order 10^16 to 10^17 W/cm^2. Dependi…
Generalized Jaynes-Cummings Model with Intensity-Dependent and Non-resonant Coupling
A. N. F. Aleixo, A. B. Balantekin, M. A. Candido Ribeiro
We study the intensity-dependent and nonresonant Jaynes-Cummings Hamiltonian when the field is described by an arbitrary shape-invariant system. We determine the eigenstates, eigen…