FieldsGases, plasmas, electric discharges, and beams

PTEP SPECIAL SECTION
Atoms Trapped with Light Behave Like a Dissipative Quantum System
2021719
A team of researchers from Japan experimentally realize, for the first time, a dissipative, paritytime symmetric, manybody quantum system from ultracold atoms trapped in an optical lattice.
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
Gases, plasmas, electric discharges, and beams

PTEP SPECIAL SECTION
A Quantum Description of Physical Systems with Nonreal Energies
2021719
While quantum systems are traditionally described by Hermitian Hamiltonians, the formalism is extendable to a nonHermitian description for systems that are dissipative or obey paritytime symmetry.
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
Nuclear physics
Electron states in condensed matter
Gases, plasmas, electric discharges, and beams