Posts by hatsugai
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Talk by Mohammad Hafezi: Nonlinear topological photonics
Prof. Mohammad Hafezi (Univeristy of Maryland) is visiting us and will be talking on “Nonlinear topologi […]
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Flatband of pentagons
Flatband is everywhere. A tight-binding Hamiltonian of a pentagon network of atoms is proposed that possesses […]
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Conic section & generalized eigenvalue problem
A generalized eigen value problem, that is described by two hermitian Hamiltonian/overlap matrices, intrisical […]
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Most Cited Articles in 2024 from Vol. 92 (2023) of JPSJ
Our paper, “Higher-Order Topological Insulator on a Martini Lattice and Its Square Root Descendant” […]
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