nLab Frédéric Piéchon

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Selected writings

Models for Chern insulators akin to the Haldane model:

• Doru Sticlet, Frédéric Piéchon, Jean-Noël Fuchs, Pavel Kalugin, Pascal Simon, Geometrical engineering of a two-bands Chern insulator in two dimensions with arbitrary topological index, Phys. Rev. B 85 165456 (2012) [arXiv:1201.6613, doi:10.1103/PhysRevB.85.165456]

• Marwa Mannaï, Jean-Noël Fuchs, Frédéric Piéchon, Sonia Haddad, Stacking-induced Chern insulator [arXiv:2208.02491]

On the notion of quantum metric:

• Frédéric Piéchon, Arnaud Raoux, Jean-Noël Fuchs, Gilles Montambaux: Geometric orbital susceptibility: quantum metric without Berry curvature, Phys. Rev. B 94 (2016) 134423 [doi:10.1103/PhysRevB.94.134423, arXiv:1605.01258]

  (for 2-band systems: (8) on p. 2)

• Ansgar Graf, Frédéric Piéchon: Berry Curvature and Quantum Metric in $N$-band systems – an Eigenprojector Approach, Phys. Rev. B 104 (2021) 085114 [arXiv:10.1103/PhysRevB.104.085114, arXiv:2102.09899]

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