activity
20222026
most citedHoles and magnetic polarons in a triangular lattice antiferromagnet

19 citations · 47 across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.quant-gas2026

Coupled-channels method for the scattering hypervolume in ultracold atomic three-body collisions

P. J. P. Kersbergen, J. van de Kraats, D. J. M. Ahmed-Braun +1

We introduce a novel coupled-channels method for elastic three-body scattering in systems of identical bosonic alkali-metal atoms. The approach relies on the numerically exact two-…

cond-mat.quant-gas2024★ 2 cited

Non-equilibrium dynamics and atom-pair coherence in strongly interacting Bose-Fermi mixtures

J. van de Kraats, D. J. M. Ahmed-Braun, V. E. Colussi +1

Theoretical treatments of non-equilibrium dynamics in strongly interacting Bose-Fermi mixtures are complicated by the inherent non-Gaussian nature of the vacuum two-body physics, i…

cond-mat.quant-gas2024

Accurate simulation of Efimov physics in ultracold atomic gases with realistic three-body multichannel interactions

J. van de Kraats, S. J. J. M. F. Kokkelmans

We give a detailed and self-contained description of a recently developed theoretical and numerical method for the simulation of three identical bosonic alkali-metal atoms near a F…

cond-mat.quant-gas2023★ 11 cited

Emergent inflation of the Efimov spectrum under three-body spin-exchange interactions

J. van de Kraats, D. J. M. Ahmed-Braun, J. -L. Li +1

We resolve the unexpected and long-standing disagreement between experiment and theory in the Efimovian three-body spectrum of Li-7, commonly referred to as the lithium few-body pu…

cond-mat.quant-gas2023★ 4 cited

Resonance triplet dynamics in the quenched unitary Bose gas

J. van de Kraats, D. J. M. Ahmed-Braun, V. E. Colussi +1

The quenched unitary Bose gas is a paradigmatic example of a strongly interacting out-of-equilibrium quantum system, whose dynamics become difficult to describe theoretically due t…

cond-mat.quant-gas2022★ 11 cited

Efimovian three-body potential from broad to narrow Feshbach resonances

J. van de Kraats, D. J. M. Ahmed-Braun, J. -L. Li +1

We analyse the change in the hyperradial Efimovian three-body potential as the two-body interaction is tuned from the broad to narrow Feshbach resonance regime. Here, it is known f…

cond-mat.quant-gas2022★ 19 cited

Holes and magnetic polarons in a triangular lattice antiferromagnet

Jasper van de Kraats, Kristian K. Nielsen, Georg M. Bruun

The intricate interplay between charge motion and magnetic order in geometrically frustrated lattices is central for the properties of many two-dimensional quantum materials. The t…