Bogoliubov quasiparticle

In condensed matter physics, a Bogoliubov quasiparticle or Bogoliubon is a quasiparticle that occurs in superconductors.^[1] Whereas superconductivity is characterized by the condensation of Cooper pairs into the same ground quantum state, Bogoliubov quasiparticles are elementary excitations above the ground state, which are superpositions (linear combinations) of the excitations of negatively charged electrons and positively charged electron holes, and are therefore neutral fermions (spin-1/2 particles).^[2]

References

↑ Yuval Ronen; et al. (2016). "Charge of a quasiparticle in a superconductor". PNAS. 113: 1743.
↑ S.A. Kivelson and D.S. Rokhsar; et al. (1990). "Bogoliubov quasiparticles, spinons, and spincharge decoupling in superconductors". Phys. Rev. B. 41: 11693.

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[1] Yuval Ronen; et al. (2016). "Charge of a quasiparticle in a superconductor". PNAS. 113: 1743.

[2] S.A. Kivelson and D.S. Rokhsar; et al. (1990). "Bogoliubov quasiparticles, spinons, and spincharge decoupling in superconductors". Phys. Rev. B. 41: 11693.