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4 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…
Spectroscopic studies in open quantum systems
I. Rotter, E. Persson, K. Pichugin +1
The spectroscopic properties of an open quantum system are determined by the eigenvalues and eigenfunctions of an effective Hamiltonian H consisting of the Hamiltonian H_0 of the c…