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hep-th2025
Pseudo-Hermitian QFT: relativistic scattering and symmetry structure
Ruifeng Leng, Cheng-Yang Lee, Siyi Zhou
Unitarity is a cornerstone of quantum theory, ensuring the conservation of probability and information. Although non-Hermitian Hamiltonians are typically associated with open or di…
hep-th2025
The anomalous spin-statistics connection arising from pseudo-Hermiticity
Yao Bai, Cheng-Yang Lee, Ruifeng Leng +1
We establish a new spin-statistics theorem for a class of free pseudo-Hermitian quantum field theories whose particles furnish unitary irreducible representations of the Poincaré g…
hep-th2025★ 1 cited
Wigner multiplets in QFT: from Wigner degeneracy to Elko fields
Cheng-Yang Lee, Ruifeng Leng, Siyi Zhou
We establish the theoretical foundation of the Wigner superposition field, a quantum field framework for spin-1/2 fermions that exhibit a Wigner doublet -- a discrete quantum numbe…