Search Results - "Sparenberg, M"

The Jost function and Siegert pseudostates from R-matrix calculations at complex wavenumbers by Vaandrager, P., Dohet-Eraly, J., Sparenberg, J.-M.

“…The single-channel Jost function is calculated with the computational R -matrix on a Lagrange-Jacobi mesh, in order to study its behaviour at complex…”
Get full text

Physical activity sustains memory retrieval in dopamine-depleted mice previously treated with L-Dopa by Iggena, D, Klein, C, Rasińska, J, Sparenberg, M, Winter, Y, Steiner, B

“…[Display omitted] •Physical activity protects memory in dopamine-depleted mice previously treated with L-Dopa.•Physical activity sustains hippocampus dependent…”
Get full text

Physical exercise counteracts MPTP-induced changes in neural precursor cell proliferation in the hippocampus and restores spatial learning but not memory performance in the water maze by Klein, C., Rasińska, J., Empl, L., Sparenberg, M., Poshtiban, A., Hain, E.G., Iggena, D., Rivalan, M., Winter, Y., Steiner, B.

“…•MPTP-induced spatial learning deficits were alleviated by short-term exercise.•MPTP-induced spatial memory impairments remained unaffected by exercise.•Neural…”
Get full text

CDCC calculations with the Lagrange-mesh technique by Druet, T., Baye, D., Descouvemont, P., Sparenberg, J.-M.

“…We apply the Lagrange-mesh technique to the Continuum Discretized Coupled Channel (CDCC) theory. The CDCC equations are solved with the R-matrix method, using…”
Get full text

Quantum design strategy pushes high-power vertical-external-cavity surface-emitting lasers beyond 100 W by Wang, T.-L., Heinen, B., Hader, J., Dineen, C., Sparenberg, M., Weber, A., Kunert, B., Koch, S.W., Moloney, J.V., Koch, M., Stolz, W.

“…Combining rigorous quantum epitaxial design, highly accurate growth, novel processing and thermal management pushes the output power of single chip…”
Get full text

Texture and morphology of ZnO grown on nanocrystalline p-sexiphenyl thin films by Blumstengel, S., Kirmse, H., Sparenberg, M., Sadofev, S., Polzer, F., Henneberger, F.

“…Growth of ZnO by molecular beam epitaxy on submonolayer p-sexiphenyl (6P) films consisting of differently shaped and terminated nanocrystals is studied. The…”
Get full text

Resolution of the Gross-Pitaevskii equation with the imaginary-time method on a Lagrange mesh by Baye, D, Sparenberg, J-M

“…The Lagrange-mesh method is an approximate variational calculation which has the simplicity of a mesh calculation. Combined with the imaginary-time method, it…”
Get full text

Coupled-channel R-matrix method on a Lagrange mesh by Hesse, M., Sparenberg, J.-M., Van Raemdonck, F., Baye, D.

“…The coupled-channel R-matrix method on a Lagrange mesh is a very simple approximation of the R-matrix method with a basis. The mesh points are zeros of shifted…”
Get full text

Supersymmetry between Phase-Equivalent Coupled-Channel Potentials by Sparenberg, J.-M., Baye, D.

Get full text

Phase-equivalent complex potentials by Baye, D., Lévai, G., Sparenberg, J.-M.

“…Potentials providing the same complex phase shifts as a given complex potential but with a shallower real part are constructed with supersymmetric…”
Get full text

Inverse scattering with singular potentials: A supersymmetric approach by Sparenberg, J.-M., Baye, D.

Get full text

Deep l-independent potentials from supersymmetric inversion by Sparenberg, J

“…Central potentials, independent of both the energy and the angular momentum l, are constructed from elastic phase shifts. The ambiguities of a fixed- l…”
Get full text

Neutron–electron scattering length deduced from Pendellösung interferometry in neutron Bragg reflections on silicon by Sparenberg, J.-M., Leeb, H.

“…A new method to deduce the neutron–electron scattering length from high-precision thermal-neutron measurements of the nuclear scattering length and of the…”
Get full text

Supersymmetric transformations in coupled-channel systems by Leeb, H., Sofianos, S. A., Sparenberg, J.-M., Baye, D.

Get full text

Supersymmetry in a three-body model of halo nuclei by Hesse, M., Baye, D., Sparenberg, J.-M.

“…Supersymmetric transformations allow eliminating forbidden bound states from a potential without affecting its scattering properties. They are applied to the…”
Get full text

Most general form of phase-equivalent radial potentials for arbitrary modifications of the bound spectrum by Baye, D, Sparenberg, J

“…The most general form for radial potentials with the same phase shifts as a given real potential but arbitrarily different bound spectra is derived with a…”
Get full text

On the Measurement of the Thermal Resistance of Vertical-External-Cavity Surface-Emitting Lasers (VECSELs) by Heinen, Bernd, Fan Zhang, Sparenberg, M., Kunert, B., Koch, M., Stolz, W.

“…Heat management is a key concern in the development of vertical-external-cavity surface-emitting lasers. Especially, high power systems are mainly limited by…”
Get full text

A consistent 3 α and 2 αΛ Faddeev calculation using the 2 α RGM kernel by Fujiwara, Y., Miyagawa, K., Kohno, M., Suzuki, Y., Baye, D., Sparenberg, J.-M.

Get full text

Precise determination of the effective-range parameters up to an arbitrary order by Ramírez Suárez, O. L., Sparenberg, J-M.

Get full text

Precise determination of the effective-range parameters up to an arbitrary order by Suárez, O. L. Ramírez, Sparenberg, J-M

“…We propose a method to compute, for a given potential model, an arbitrary coefficient of the effective-range function expanded as a power series in energy. The…”
Get full text