Posts by hatsugai
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EP and non-Hermitian physics in nonlinearity of eigenvalues
When one considers a frequency dependent system, it can be reduced to an eigen value problem which depends on […]
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ZN Berry phases of Pyrochlore magnet
Various symmetry-protected topological phases of quantum spins on a breathing Pyrochlore are discussed by the […]
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Orbital magnetism and quantum geometry: Talk by Frédéric Piéchon
We will have a guest, Prof. Frédéric Piéchon (Université Paris-Saclay). He will tell us a […]
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Kagome lattice is chiral symmetric
Chiral symmetry in condensed matter physics implies the sublattice symmetry (as far as the one-particle hoppin […]
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