Matter-wave collimation to picokelvin energies with scattering length and potential shape control

A Herbst, T Estrampes, H Albers, R Corgier… - Communications …, 2024 - nature.com
The sensitivity of atom interferometers depends on their ability to realize long pulse
separation times and prevent loss of contrast by limiting the expansion of the atomic …

Measurement of Laser Wavelength via BEC Interference in a Harmonic Trap Controlled by Kapitza–Dirac Pulses

T He, J Li - Journal of the Physical Society of Japan, 2024 - journals.jps.jp
We propose a theoretical scheme for measuring a laser's wavelength. Within a one-
dimensional harmonic potential well, the laser wavelength forming Kapitza–Dirac pulses …

Reference-frame-independent model of a collective-excitation atom interferometer

BJ Mommers, MWJ Bromley - Physical Review A, 2023 - APS
We theoretically analyze the operating principles of a proposed matter-wave Sagnac
interferometer utilizing Bose-Einstein-condensate (BEC) phonon modes as an interference …

[PDF][PDF] Referent: Prof. Dr. Ernst M. Rasel

D Schlippert, É Charron - 2024 - inspirehep.net
Moreover, the same techniques are used to implement a matter-wave lens, directly
applicable in the optical-dipole trap without necessitating extended free-fall times. By …

Matter-wave dynamics in time-averaged optical potentials with tunable interactions

A Herbst - 2024 - repo.uni-hannover.de
Atom interferometers have emerged as a pivotal tool for accurate measurements of inertial
effects and are used as a versatile instrument in both fundamental physics investigations …

Diffraction of strongly interacting molecular Bose-Einstein condensate from standing wave light pulses

Q Liang, C Li, S Erne, P Paranjape, R Wu… - SciPost Physics, 2022 - scipost.org
We study the effects of strong inter-particle interaction on diffraction of a Bose-Einstein
condensate of $^ 6Li_2 $ molecules from a periodic potential created by pulses of a far …

Atom interferometry with Bose-Einstein condensate in optical beat note superlattices

T Petrucciani - 2023 - flore.unifi.it
Optical lattices represent a fundamental tool in the field of ultra-cold atoms that allow to
simulate a large variety of quantum phenomena like the conduction of electrons in solids, to …

[NAVEDBA][C] Development of a novel scheme for practical Sagnac interferometry with Bose-Einstein condensates

B Mommers - 2024 - espace.library.uq.edu.au
Matter-wave Sagnac interferometers are considered likely to form the next wave of progress
in precision rotation measurement. Massive particles provide several orders of magnitude …