A. Richter

Publications284
h-index39
Citations6,344
Highly Influential Citations55
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Fluctuating forces on a rigid circular cylinder in confined flow
The fluctuating lift and drag acting on a long, rigidly supported circular cylinder placed symmetrically in a narrow rectangular duct were investigated for various blockage percentages over a wide… Expand
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Random matrices and chaos in nuclear physics: Nuclear reactions
The application of random-matrix theory (RMT) to compound-nucleus (CN) reactions is reviewed. An introduction into the basic concepts of nuclear scattering theory is followed by a survey of… Expand
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Structure of the Hoyle state in 12C.
The first excited 0(+) state in 12C (Hoyle state) has been predicted to be a dilute self-bound gas of bosonic alpha particles, similar to a Bose-Einstein condensate. To clarify this conjecture,… Expand
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Experimental observation of the topological structure of exceptional points.
We report on a microwave cavity experiment where exceptional points (EPs), which are square root singularities of the eigenvalues as function of a complex interaction parameter, are encircled in the… Expand
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Incorporating diffuse scattering in geometry-based stochastic MIMO channel models
This paper introduces a model for incorporating the influence of the diffuse scattering in the MIMO radio propagation channel to the popular geometry-based stochastic channel models (GSCM). The… Expand
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Observation of orbital magnetic dipole strength in the actinide nuclei 232Th and 238U
Abstract Precise experimental information has been obtained on the distribution of orbital M1 strength using high resolution nuclear resonance fluorescence and inelastic electron scattering. We… Expand
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Probing the nuclear magnetic dipole response with electrons, photons and hadrons☆
Abstract In the first part of this lecture recent developments in the field of magnetic dipole excitations in heavy deformed nuclei are discussed by using electromagnetic and hadronic probes of… Expand
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Wave dynamical chaos in a superconducting three-dimensional Sinai billiard
Based on very accurate measurements performed on a superconducting microwave resonator shaped like a desymmetrized three-dimensional (3D) Sinai billiard, we investigate for the first time spectral… Expand
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Exceptional points in a microwave billiard with time-reversal invariance violation.
We report on the experimental study of an exceptional point (EP) in a dissipative microwave billiard with induced time-reversal invariance (T) violation. The associated two-state Hamiltonian is… Expand
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Photoactivation of 180 Ta m and Its Implications for the Nucleosynthesis of Nature's Rarest Naturally Occurring Isotope
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