Magic fermions: Carroll and flat bands
A bstract The Carroll algebra is constructed as the c→ 0 limit of the Poincare algebra and is
associated to symmetries on generic null surfaces. In this paper, we begin investigations of …
associated to symmetries on generic null surfaces. In this paper, we begin investigations of …
Flat band separation and robust spin Berry curvature in bilayer kagome metals
Kagome materials have emerged as a setting for emergent electronic phenomena that
encompass different aspects of symmetry and topology. It is debated whether the XV6Sn6 …
encompass different aspects of symmetry and topology. It is debated whether the XV6Sn6 …
Classification of classical spin liquids: Typology and resulting landscape
Classical spin liquids (CSL) lack long-range magnetic order and are characterized by an
extensive ground-state degeneracy. We propose a classification scheme of CSLs based on …
extensive ground-state degeneracy. We propose a classification scheme of CSLs based on …
3/2 magic angle quantization rule of flat bands in twisted bilayer graphene and its relationship to the quantum Hall effect
Flat band electronic modes in twisted graphene bilayers are responsible for
superconducting and other highly correlated electron-electron phases. Although some hints …
superconducting and other highly correlated electron-electron phases. Although some hints …
Kaleidoscopes of Hofstadter butterflies and Aharonov-Bohm caging from -root topology in decorated square lattices
Square-root topology describes models whose topological properties can be revealed upon
squaring the Hamiltonian, which produces their respective parent topological insulators …
squaring the Hamiltonian, which produces their respective parent topological insulators …
Topological n-root Su–Schrieffer–Heeger model in a non-Hermitian photonic ring system
Square-root topology is one of the newest additions to the ever expanding field of
topological insulators (TIs). It characterizes systems that relate to their parent TI through the …
topological insulators (TIs). It characterizes systems that relate to their parent TI through the …
Classification of classical spin liquids: Topological quantum chemistry and crystalline symmetry
Frustrated magnetic systems can host highly interesting phases known as classical spin
liquids (CSLs), which feature extensive ground state degeneracy and lack long-range …
liquids (CSLs), which feature extensive ground state degeneracy and lack long-range …
[HTML][HTML] From orthosymplectic structure to super topological matter
LB Drissi, EH Saidi - Nuclear Physics B, 2023 - Elsevier
Topological supermatter is given by ordinary topological matter constrained by
supersymmetry or graded supergroups such as OSP (2N| 2N). Using results on super …
supersymmetry or graded supergroups such as OSP (2N| 2N). Using results on super …
Fermionic charges in 3D supersymmetric topological matter
LB Drissi, EH Saidi, O Fassi-Fehri… - The European Physical …, 2023 - Springer
Topological phase of matter has attracted a great deal of interest. Drawing inspiration from
the recent advances in this field, we model the supersymmetric extension of the Altland …
the recent advances in this field, we model the supersymmetric extension of the Altland …
Frustrated Magnetism, Symmetries and -Equivariant Topology
S Zahedi - arxiv preprint arxiv:2404.09023, 2024 - arxiv.org
A novel lemma in $\mathbb {Z} _2 $-equivariant homotopy theory is stated, proven and
applied to the topological classification of frustrated magnets in the presence of canonical …
applied to the topological classification of frustrated magnets in the presence of canonical …