The authors derive exact transition amplitudes for a graphene Coulomb impurity driven by an ultrarelativistic ion and predict 2D ionization cross sections roughly 100 times larger than the 3D counterpart.
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Coulomb impurities in graphene driven by fast ions
The authors derive exact transition amplitudes for a graphene Coulomb impurity driven by an ultrarelativistic ion and predict 2D ionization cross sections roughly 100 times larger than the 3D counterpart.