A new form of matter: Excitonium

December 27, 2017

  • Researchers at the University of Illinois have announced the existence of a new form of matter called excitonium.                                                              

  • This material is made up of a kind of boson, a composite particle that could allow the matter to act as a superfluid, superconductor, or even as an insulating electronic crystal.                                                                 

  • The hole is positively charged and the electron is negatively charged, so it is possible to create a bound state between the two, with the electron orbiting the hole, instead of falling back in. This bound state is the exciton, which is the building block of excitonium.                                                                                                                          

  • There are five known states of matter: solids, liquids, gases, plasma and Bose-Einstein condensates. 











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