Quantum-critical electrodynamics of Luttinger fermions

Dey, Santanu; Maciejko, Joseph

doi:10.1103/physrevb.106.035140

Phys. Rev. B

2022

DOI: 10.1103/physrevb.106.035140

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Quantum-critical electrodynamics of Luttinger fermions

Santanu Dey

Joseph Maciejko

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2024

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Quantum field theories of relativistic Luttinger fermions

Gies,

Heinzel,

Laufkötter

et al. 2024

Phys. Rev. D

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We propose relativistic Luttinger fermions as a new ingredient for the construction of fundamental quantum field theories. We construct the corresponding Clifford algebra and the spin metric for relativistic invariance of the action using the spin-base invariant formalism. The corresponding minimal spinor has 32 complex components, matching with the degrees of freedom of a standard-model generation including a right-handed neutrino. The resulting fermion fields exhibit a canonical scaling different from Dirac fermions and thus support the construction of novel relativistic and perturbatively renormalizable, interacting quantum field theories. In particular, new asymptotically free self-interacting field theories can be constructed, representing first examples of high-energy complete quantum field theories based on pure matter degrees of freedom. Gauge theories with relativistic Luttinger fermions exhibit a strong paramagnetic dominance, requiring large non-Abelian gauge groups to maintain asymptotic freedom. We comment on the possibility to use Luttinger fermions for particle physics model building and the expected naturalness properties of such models. Published by the American Physical Society 2024

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Quantum field theories of relativistic Luttinger fermions

Gies,

Heinzel,

Laufkötter

et al. 2024

Phys. Rev. D

View full text Add to dashboard Cite

show abstract

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Quantum-critical electrodynamics of Luttinger fermions

Cited by 1 publication

References 63 publications

Quantum field theories of relativistic Luttinger fermions

Quantum field theories of relativistic Luttinger fermions

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