• Corpus ID: 9516502

Quantum vacua: momentum space topology of fermion zero modes

@article{Volovik2002QuantumVM,
  title={Quantum vacua: momentum space topology of fermion zero modes},
  author={G E Volovik},
  journal={arXiv: General Relativity and Quantum Cosmology},
  year={2002}
}
  • G. Volovik
  • Published 1 December 2002
  • Physics
  • arXiv: General Relativity and Quantum Cosmology
Quantum vacua are characterized by the topological structure of their fermion zero modes. The vacua are distributed into universality classes protected by topology in momentum space. The vacua whose manifold of fermion zero modes has co-dimension 3 are of special interest because in the low-energy corner the fermionic excitations become the Weyl relativistic chiral fermions, while the dynamical bosonic collective modes of the fermionic vacuum interact with the chiral fermions as the effective… 

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