A tangent-fermion lattice with Hubbard interactions realizes symmetric mass generation in the 3-4-5-0 model without fermion doubling or ground-state degeneracy.
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Numerical lattice simulation confirms spontaneous time-reversal symmetry breaking and gap opening in a helical Luttinger liquid at the Dirac point above a critical Luttinger parameter.
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Symmetric mass generation of interacting chiral fermions on a one-dimensional lattice without fermion doubling
A tangent-fermion lattice with Hubbard interactions realizes symmetric mass generation in the 3-4-5-0 model without fermion doubling or ground-state degeneracy.
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Lattice fermion simulation of spontaneous time-reversal symmetry breaking in a helical Luttinger liquid
Numerical lattice simulation confirms spontaneous time-reversal symmetry breaking and gap opening in a helical Luttinger liquid at the Dirac point above a critical Luttinger parameter.