Showing 2004Show all

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gr-qc2004★ 8 cited

The Spherically Symmetric Standard Model with Gravity

Herbert Balasin, Christian G. Boehmer, Daniel Grumiller

Spherical reduction of generic four-dimensional theories is revisited. Three different notions of "spherical symmetry" are defined. The following sectors are investigated: Einstein…

cond-mat.mes-hall2004★ 19 cited

Fano resonances and decoherence in transport through quantum dots

S. Rotter, U. Kuhl, F. Libisch +2

A tunable microwave scattering device is presented which allows the controlled variation of Fano line shape parameters in transmission through quantum billiards. We observe a non-m…

nucl-th2004★ 7 cited

On radiative np -> 1s + gamma transitions, induced by strong low-energy interactions,in kaonic atoms

A. N. Ivanov, M. Cargnelli, M. Faber +5

We calculate the rates of the radiative transitions np -> 1s + gamma in kaonic hydrogen and kaonic deuterium, induced by strong low-energy interactions and enhanced by Coulomb inte…

cond-mat.mtrl-sci2004★ 27 cited

Momentum selectivity and anisotropy effects in the nitrogen K-edge resonant inelastic X-ray scattering from GaN

V. N. Strocov, T. Schmitt, J. -E. Rubensson +3

High-resolution soft X-ray emission and absorption spectra near the N K-edge of wurtzite GaN are presented. The experimental data are interpreted in terms of band structure based f…

math.PR2004★ 8 cited

Destruction of very simple trees

James Allen Fill, Nevin Kapur, Alois Panholzer

We consider the total cost of cutting down a random rooted tree chosen from a family of so-called very simple trees (which include ordered trees, -ary trees, and Cayley trees);…

hep-th2004★ 14 cited

Classical and Quantum Integrability of 2D Dilaton Gravities in Euclidean space

L. Bergamin, D. Grumiller, W. Kummer +1

Euclidean dilaton gravity in two dimensions is studied exploiting its representation as a complexified first order gravity model. All local classical solutions are obtained. A glob…