activity
20242026
collaborators

9 papers

quant-ph2026

Quantum Signatures of Two-Electron HBT Interference in Free Space

Florian Fleischmann, Mona Bukenberger, Anton Classen +2

Understanding how fermionic exchange and Coulomb repulsion jointly shape two-electron correlations is essential for identifying genuine quantum signatures in multi-electron interfe…

quant-ph2026

Superradiant LIDAR

T. Kullick, M. Bojer, J. von Zanthier +1

In recent years, light detection and ranging (LIDAR) has seen a steep rise in the sensitivity of measuring the distances of remote objects. Here, we propose to enhance the sensitiv…

quant-ph2026

Deviations from thermal light statistics in ensembles of independent two-level emitters

Manuel Bojer, André Cidrim, Romain Bachelard +1

We investigate the light statistics of an ensemble of independent motionless two-level atoms in a product state. We identify the conditions under which the cold atomic ensemble emi…

physics.optics2025

Nonlinear phenomena in X-ray fluorescence from single nanoparticles under extreme conditions

Sebastian Cardoch, Tamme Wollweber, Sarodi Jonak Dutta +26

Materials exposed to intense femtosecond X-ray pulses with energies above their K-shell absorption edge can enter an extremely ionized state, which could give rise to nonlinear phe…

physics.optics2025

Single-particle incoherent diffractive imaging and amplified spontaneous emission in copper nanocubes

Tamme Wollweber, Sarodi Jonak Dutta, Zhou Shen +26

We demonstrate element-specific incoherent diffractive imaging (IDI) of single copper nanocubes using intensity correlations of K fluorescence at a hard X-ray free-electron las…

astro-ph.IM2025

Stellar physics at sub-nanoradian angular resolution

P. Batista, J. Biteau, C. Carlile +36

Many stars -- if they could be imaged with enough angular resolution -- would exhibit features expected from theory but not possible to extract from spectra. We may group these by…