Even when they are in their lowest possible electronic energy level (i.e., the electron's ground state), these two nuclei can still rotate and vibrate, producing a wide range of rovibrational states.

An illustration of the process of nuclear fusion, specifically the creation of helium from hydrogen. Four protons (hydrogen nuclei) are combining on the left, releasing in the process two protons ...

When two hydrogen nuclei are close, even for this short duration, Gregori said, "the strong but short-range attractive nuclear force dominates over the tendency of like charges to repel, ...

Hydrogen fusion works in the opposite way by forming “paperbag” nuclei out of smaller units. Deuterium (heavy hydrogen), for instance, has one proton and one neutron in its nucleus.

On Earth, coaxing hydrogen nuclei to fuse into helium requires creating and confining a “plasma”—an electrically charged gas, where electrons are no longer bound to atomic nuclei—at ...

3. The nuclei of hydrogen are positively charged; therefore, they want to repel due to the force of electromagnetism (like charges repel). However, if the nuclei are moving fast enough to collide ...

Physicists and material scientists have been trying to metallize hydrogen for many decades, but they have not yet succeeded. In 1968, British physicist Neil Ashcroft predicted that atomic metallic ...

Hydrogen-like ions, i.e., atomic nuclei to which only a single electron is bound, are theoretically particularly easy to describe. In the case of heavy nuclei with a high proton number—bismuth, ...

Sequence of high-pressure hydrogen phases in the 300–600 GPa pressure range, according to the team’s theoretical calculations. The researchers report a projection of the structures on the a-b ...