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The Odd Fermion

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arxiv 2401.04223 v1 pith:ZGKMPGVD submitted 2024-01-08 hep-th cond-mat.str-elmath-phmath.MP

Daniel S. Freed , Michael J. Hopkins , Constantin Teleman This is my paper
classification hep-thcond-mat.str-elmath-phmath.MP
keywords addressapproachfermionfermionsfieldgeometricmakemechanical
verification ladder T0 review T1 audit T2 compute T3 formal
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In this short note we use the geometric approach to (topological) field theory to address the question: Does an odd number of quantum mechanical fermions make sense?

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Disjoint additivity and local quantum physics

    hep-th 2025-09 conditional novelty 7.0 of 10

    Local quantum systems should obey disjoint additivity plus Haag duality, a combination that survives higher-form symmetries and fails for known nonlocal constructions.

  2. Free phases of Majorana fermions: Tenfold ways compared

    math-ph 2025-07 conditional novelty 6.0 of 10

    Neutral free fermion SPT phases protected by a real Z2-graded C*-algebra A are classified by the real K-theory group K_2(A^op), unifying charged and neutral tenfold-way classifications via Morita equivalence.

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