PHQMD simulations with momentum-dependent potentials show that a soft momentum-dependent EoS calibrated to pA data reproduces experimental proton and cluster flows at midrapidity better than static EoS variants, while cluster formation method affects flow patterns.
Nuclear equation of state and incompressibility in a model with correlations from giant monopole vibrations
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abstract
The nuclear equation of state and incompressibility are studied in a model with correlations. We first consider a Hartree solution and then add one-particle-one hole (1p-1h) and two particle-two hole (2p-2h) admixtures into the wavefunction using a separable monopole-monopole interaction which induces giant monopole vibrations. Stable and unstable point arise in the nuclear equation of state as a function of the oscillator size parameter from pure 1p-1h admixtures. Addition of 2p-2h admixtures lead to one stable point. However, the incompressibility is found to be quite different from the Hartree case with 1p-1h admixtures, even with 2p-2h states included. PACS 21.65.Mn, 24.30.Cz
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Systematic study of flow of protons and light clusters in intermediate-energy heavy-ion collisions with momentum-dependent potentials
PHQMD simulations with momentum-dependent potentials show that a soft momentum-dependent EoS calibrated to pA data reproduces experimental proton and cluster flows at midrapidity better than static EoS variants, while cluster formation method affects flow patterns.