Negative Mass Particles Created for the First Time

quantum physics science. Technology

According to ExtremeTech, an exciton is a bound quantum state of an electron, a so-called “electron hole” where an electron could exist in the semiconductor. Interaction with the electron in its quantum state eventually resulted in the creation of a new quasiparticle, dubbed as polariton, that has negative mass.

“By causing an exciton to give up some of its identity to a photon to create a polariton, we end up with an object that has a negative mass associated with it,” Vamivakas said. “That’s kind of a mind-bending thing to think about, because if you try to push or pull it, it will go in the opposite direction from what your intuition would tell you.”negative mass particles could be created.