Ion collisions in very strong electric fields

Ion Collisions in Very Strong Electric Fields

A Classical Trajectory Monte Carlo (CTMC) simulation has been made of processes of charge exchange and ionization between an hydrogen atom and fully stripped ions embedded in very strong static electric fields (O(10 V/m)), which are thought to exist in cosmic and laser–produced plasmas. Calculations show that the presence of the field affects absolute values of the cross sections, enhancing ion...

Particle production in strong electromagnetic fields in relativistic heavy-ion collisions

Lithium ion-water clusters in strong electric fields: a quantum chemical study.

We use density functional theory to investigate the impact that strong electric fields have on the structure and energetics of small lithium ion-water clusters, Li(+)·nH2O, with n = 4 or 6. We find that electric field strengths of ∼0.5 V/Å are sufficient to break the symmetry of the n = 4 tetrahedral energy minimum structure, which undergoes a transformation to an asymmetric cluster consisting ...

Classical Fields and Heavy Ion Collisions

To understand what is happening in relativistic heavy ion colliders, currently RHIC in Brookhaven and in the future the LHC at CERN, one needs to understand not only hard probes, but also bulk particle production and thermalisation. It can be argued that the large phase space densities of partons in the small-x wavefunction of the nuclei generate a hard enough momentum scale to allow weak coupl...

Ultracold molecular collisions in combined electric and magnetic fields

We consider collisions of electric and magnetic polar molecules, taking the OH radical as an example, subject to combined electric and magnetic static fields. We show that the relative orientation of the fields has an important effect on the collision processes for different fields’ magnitudes at different collision energies. This is due to the way the molecules polarize in the combined electri...