Exceptional band touching for strongly correlated systems in equilibrium

26 Feb 2020 Yoshida Tsuneya Peters Robert Kawakami Norio Hatsugai Yasuhiro

Quasi-particles described by Green's functions of equilibrium systems exhibit non-Hermitian topological phenomena because of their finite lifetime. This non-Hermitian perspective on equilibrium systems provides new insights into correlated systems and attracts much interest because of its potential to solve open questions in correlated compounds... (read more)

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Categories


  • STRONGLY CORRELATED ELECTRONS
  • DISORDERED SYSTEMS AND NEURAL NETWORKS
  • MESOSCALE AND NANOSCALE PHYSICS
  • QUANTUM PHYSICS