An important idea of Dyson was to transform the hard sphere potential into a soft potential at the cost of sacrificing the kinetic energy, i.e., effectively to move from one regime to the other.
(An important idea of Dyson; was; to transform the hard sphere potential into a soft potential at the cost of sacrificing the kinetic energy) (An important idea of Dyson; to transform; the hard sphere; into a soft potential at the cost of sacrificing the kinetic energy) (the kinetic energy; i.e. effectively to move; from one regime; to the other)
An important idea of Dyson An important idea of Dyson the kinetic energy
was to transform i.e. effectively to move
to transform the hard sphere potential into a soft potential at the cost of sacrificing the kinetic energy
the hard sphere into a soft potential at the cost of sacrificing the kinetic energy
from one regime to the other