0000000000594077

AUTHOR

R.y. Cusson

showing 2 related works from this author

Time-dependent ground-state correlations in heavy ion scattering

1982

Using a time-dependent generator-coordinate method, we derive a theory for time-dependent collective ground-state correlations which account for some quantum fluctuations about a TDHF trajectory. This theory is particularly suited for evaluating spreading widths of collective one-body operators. As an application we study head-on collision of heavy ions in a one-dimensional model. As one of the prominent results we find a substantial enhancement of the spreading width of the internal excitation energy due to the correlations.

ScatteringChemistryQuantum electrodynamicsTrajectoryGround stateCollisionQuantum fluctuationEnergy (signal processing)ExcitationIon
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Density as a constraint and the separation of internal excitation energy in TDHF

1985

We present a fast and efficient constrained Hartree-Fock iteration scheme which constraints the complete density distribution to remain constant. The scheme is particularly suited to a coordinate- or momentum-space representation. The technique is applied to separate the collective and the internal energy in a propagating TDHF state. We study the behavior of these two energies in an16O+16O collision.

Constraint (information theory)PhysicsNuclear and High Energy PhysicsClassical mechanicsInternal energyNuclear TheoryNuclear fusionConstant (mathematics)CollisionRepresentation (mathematics)ExcitationEnergy (signal processing)Computational physicsZeitschrift f�r Physik A Atoms and Nuclei
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