# Metadata Source URL:: https://en.wikipedia.org/wiki/Majorana_fermion --- # Majorana fermion - Wikipedia ## Highlights > [!quote]+ Updated on 280822_192650 > > A Majorana fermion (/maɪəˈrɑːnə ˈfɛərmiːɒn/[1]), also referred to as a Majorana particle, is a fermion that is its own antiparticle. They were hypothesised by Ettore Majorana in 1937. The term is sometimes used in opposition to a Dirac fermion, which describes fermions that are not their own antiparticles.