An energy density of the order of a few GeV / fm2 may be achieved . This energy density of nuclear matter in equilibrium , may favor the formation of new forms of matter such as the quark-gluon plasma ( QGP ) .
这样的能量密度要高于平衡态下核物质的能量密度,因而可能有助于形成新的物质形态,如夸克胶子等离子体(QGP)。