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Computing singularities of perturbation series
Computing singularities perturbation series
2010/10/20
Many properties of current ab initio approaches to the quantum many-body problem, both perturbational or otherwise, are related to the singularity structure of Rayleigh–Schr¨odinger perturbation theor...
Sensitivity to measurement perturbation of single atom dynamics in cavity QED
Sensitivity measurement perturbation single atom dynamics cavity QED
2010/10/15
We consider continuous observation of the nonlinear dynamics of single atom trapped in an optical cavity by a standing wave with intensity modulation.The motion of the atom changes the phase of the fi...
Anharmonic oscillators energies via artificial perturbation method
Anharmonic oscillators energies artificial perturbation method
2010/10/15
A new pseudoperturbative ( artificial in nature) methodical proposal [15] is used to solve for Schr¨odinger equation with a class of phenomenologically useful and methodically challenging anharmonic o...
The Structure of Liquid Alkali Metals Calculated by the Thermodynamic Perturbation Theory
hypernetted-chain Percus-Yevick empty-core optimized random-phase approximation
2010/4/16
The structure of a hard sphere fluid has been calculated numerically via the Percus-Yevick (PY) and hypernetted-chain (HNC) closure relations and used as a reference system to calculate the structure ...