Symmetric mass generation

J Wang, YZ You - Symmetry, 2022 - mdpi.com
The most well-known mechanism for fermions to acquire a mass is the Nambu–Goldstone–
Anderson–Higgs mechanism, ie, after a spontaneous symmetry breaking, a bosonic field …

Symmetric mass generation of Kähler-Dirac fermions from the perspective of symmetry-protected topological phases

Y Guo, YZ You - Physical Review B, 2023 - APS
The Kähler-Dirac fermion, recognized as an elegant geometric approach, offers an
alternative to traditional representations of relativistic fermions. Recent studies have …

Real-space construction of crystalline topological superconductors and insulators in 2d interacting fermionic systems

JH Zhang, S Yang, Y Qi, ZC Gu - Physical Review Research, 2022 - APS
The construction and classification of crystalline symmetry protected topological (SPT)
phases in interacting bosonic and fermionic systems have been intensively studied in the …

Construction and classification of crystalline topological superconductor and insulators in three-dimensional interacting fermion systems

JH Zhang, SQ Ning, Y Qi, ZC Gu - arXiv preprint arXiv:2204.13558, 2022 - arxiv.org
The natural existence of crystalline symmetry in real materials manifests the importance of
understanding crystalline symmetry-protected topological (SPT) phases, especially for …

Invertible phases for mixed spatial symmetries and the fermionic crystalline equivalence principle

A Debray - arXiv preprint arXiv:2102.02941, 2021 - arxiv.org
Freed-Hopkins give a mathematical ansatz for classifying gapped invertible phases of matter
with a spatial symmetry in terms of Borel-equivariant generalized homology. We propose a …

Symmetry, topology, duality, chirality, and criticality in a spin- XXZ ladder with a four-spin interaction

M Fontaine, K Sugimoto, S Furukawa - Physical Review B, 2024 - APS
We study the ground-state phase diagram of a spin-1 2 XXZ model with a chirality-chirality
interaction (CCI) on a two-leg ladder. This model offers a minimal setup to study an interplay …

Symmetry invariants and classes of quasiparticles in magnetically ordered systems having weak spin-orbit coupling

J Yang, ZX Liu, C Fang - Nature Communications, 2024 - nature.com
Symmetry invariants of a group specify the classes of quasiparticles, namely the classes of
projective irreducible co-representations in systems having that symmetry. More symmetry …

Exactly solvable lattice models for interacting electronic insulators in two dimensions

QR Wang, Y Qi, C Fang, M Cheng, ZC Gu - Physical Review B, 2023 - APS
In the past decade, tremendous efforts have been made towards understanding fermionic
symmetry-protected topological (FSPT) phases in interacting systems. Nevertheless, for …

Tensor network representations of fermionic crystalline topological phases on two-dimensional lattices

JH Zhang, S Yang - arXiv preprint arXiv:2109.06118, 2021 - arxiv.org
We investigate the tensor network representations of fermionic crystalline symmetry-
protected topological (SPT) phases on two-dimensional lattices. As a mapping from virtual …

Quantum Many-Body Lattice CRT Symmetry: Fractionalization, Anomaly, and Symmetric Mass Generation

YY Li, J Wang, YZ You - arXiv preprint arXiv:2412.19691, 2024 - arxiv.org
Charge conjugation (C), mirror reflection (R), and time reversal (T) symmetries, along with
internal symmetries, are essential for massless Majorana and Dirac fermions. These …