Page "Deuterium" Paragraph 1

The existence of ultradense deuterium is suggested by experiment.

This material, at a density of, would be a million times more dense than regular deuterium, denser than at the core of the Sun.

This ultradense form of deuterium may facilitate achieving laser-induced fusion.

Only minute amounts of ultradense deuterium have been produced thus far.

At the moment, it is not known how the material is produced or if it remains stable without applied pressure, however, there is conjecture that it is possible to produce a new stable state of matter by compressing ultracold deuterium in a Rydberg state.