D. Kollewe

Lanthanide luminescence for functional materials and bio-sciences

Observation ofPT-Symmetry Breaking in Complex Optical Potentials

Edge States and Topological Invariants of Non-Hermitian Systems

Sum rules and giant resonances in nuclei

Theory of Bose-Einstein condensation in trapped gases

Lanthanide-Activated Phosphors Based on 4f-5d Optical Transitions: Theoretical and Experimental Aspects

Lattice-constant-adaptable crystallographics

Ce³⁺-Doped garnet phosphors: composition modification, luminescence properties and applications

The 5d level positions of the trivalent lanthanides in inorganic compounds

Time delay in nuclear reactions

Construction of Two-Dimensional Waveguides in Insulating Optical Materials by Means of Ion Beam Implantation for Photonic Applications: Fabrication Methods and Research Progress

Phosphors in phosphor-converted white light-emitting diodes: Recent advances in materials, techniques and properties

Macroscopic Quantum Tunneling of a Bose-Einstein Condensate with Attractive Interaction

Energy levels of A = 21–44 nuclei (VII)

Terrestrial in situ cosmogenic nuclides: theory and application

A non-Hermitian Hamilton operator and the physics of open quantum systems

Electronic structure and optical properties of the lanthanide activated RE3(Al1−xGax)5O12 (RE=Gd, Y, Lu) garnet compounds

Inorganic-scintillator development

Intercalibration of standards, absolute ages and uncertainties in 40Ar/39Ar dating

Non-Hermitian physics and PT symmetry

Random-matrix physics: spectrum and strength fluctuations

Observation of parity–time symmetry in optics

Scintillation detectors for x-rays

Scintillation properties of cerium-doped gadolinium-scandium-aluminum garnets

Waveguides in KNbO₃by He⁺implantation

Messung von Wirkungsquerschnitten für die Reaktionen ²⁷Al(N, P) ²⁷Mg, ²⁷Al(N, α)²⁴Na und ²⁷Al(N, α)^24MNa im Energiebereich zwischen 6,3 MeV und 8,3 MeV

Channeling in Mg and Zr doped gadolinium gallium garnets

The time evolution of compound elastic scattering measured by crystal blocking

Photoexcitation of low-lying collective states in 156,158,160Gd