Molecular binding in interacting quantum walks

A Ahlbrecht, A Alberti, D Meschede… - New Journal of …, 2012 - iopscience.iop.org
We show that the presence of an interaction in the quantum walk of two atoms leads to the
formation of a stable compound, a molecular state. The wave function of the molecule …

Quantum computational supremacy in the sampling of bosonic random walkers on a one-dimensional lattice

G Muraleedharan, A Miyake… - New Journal of Physics, 2019 - iopscience.iop.org
We study the sampling complexity of a probability distribution associated with an ensemble
of identical noninteracting bosons undergoing a quantum random walk on a one …

Low-entropy states of neutral atoms in polarization-synthesized optical lattices

C Robens, J Zopes, W Alt, S Brakhane, D Meschede… - Physical Review Letters, 2017 - APS
We create low-entropy states of neutral atoms by utilizing a conceptually new optical-lattice
technique that relies on a high-precision, high-bandwidth synthesis of light polarization …

Realizing one-dimensional topological superfluids with ultracold atomic gases

S Nascimbene - Journal of Physics B: Atomic, Molecular and …, 2013 - iopscience.iop.org
We propose an experimental implementation of a topological superfluid with ultracold
fermionic atoms. An optical superlattice is used to juxtapose a 1D gas of fermionic atoms …

Digital atom interferometer with single particle control on a discretized space-time geometry

A Steffen, A Alberti, W Alt, N Belmechri… - Proceedings of the …, 2012 - National Acad Sciences
Engineering quantum particle systems, such as quantum simulators and quantum cellular
automata, relies on full coherent control of quantum paths at the single particle level. Here …

Topological bound states of a quantum walk with cold atoms

S Mugel, A Celi, P Massignan, JK Asbóth… - Physical Review A, 2016 - APS
We suggest a method for engineering a quantum walk, with cold atoms as walkers, which
presents topologically nontrivial properties. We derive the phase diagram, and show that we …

Fast, high-precision optical polarization synthesizer for ultracold-atom experiments

C Robens, S Brakhane, W Alt, D Meschede, J Zopes… - Physical Review …, 2018 - APS
We present a technique for the precision synthesis of arbitrary polarization states of light with
a high modulation bandwidth. Our approach consists of superimposing two laser light fields …

Periodic driving induced helical Floquet channels with ultracold atoms in momentum space

T **ao, D **e, W Gou, T Chen, TS Deng, W Yi… - The European Physical …, 2020 - Springer
Employing the external degrees of freedom of atoms as synthetic dimensions renders easy
and new accesses to quantum engineering and quantum simulation. As a recent …

[PDF][PDF] Testing the Quantumness of Atom Trajectories

C Robens - 2017 - core.ac.uk
This thesis reports on a novel concept of state-dependent transport, which achieves an
unprecedented control over the position of individual atoms in optical lattices. Utilizing this …

One-dimensional arrays of optical dark spot traps from nested Gaussian laser beams for quantum computing

T Frazer, K Gillen - Applied Physics B, 2022 - Springer
Quantum computing is rapidly becoming a practical technology, driven by new and
advanced quantum systems, each with its own advantages and disadvantages. For neutral …