ECAMP 15

Coupling a spin qubit to a mechanical system provides a route to prepare the mechanical system's motion in nonclassical states, such as a Fock state or an entangled state. Such quantum states have already been realized with superconducting qubits coupled to clamped mechanical oscillators; here, we are interested in achieving an analogous coupling between an atomic spin and a levitated...

Non-Hermitian skin effect (NHSE) has now become the paradigmatic example of the topologically nontrivial impact of loss or gain in optical and condensed matter systems. Here, I will present our latest theoretical results on an analog of NHSE in the platform of chiral waveguide quantum electrodynamics — the area of quantum optics studying interaction with propagating photons with atoms in a...

The generation and distribution of entanglement as a resource is one of the big challenges for the field of quantum communication. We discuss some of our work on single photon entanglement and building up complex quantum states from individual photons for use in quantum networks. In particular, some of our recent work looks at going beyond entanglement swapping to heralding entanglement at a...

We predict that ultracold bosonic dipolar gases, confined within a multilayer geometry, may undergo self-assembling processes, leading to the formation of chain gases and solids. These dipolar chains, with dipoles aligned across different layers, emerge at low densities and resemble phases observed in liquid crystals, such as nematic and smectic phases. We calculate the phase diagram using...

Mixtures of ultracold gases with long-range interactions are expected to open new avenues in the study of quantum matter. Natural candidates for this research are spin mixtures of atomic species with large magnetic moments. However, the lifetime of such assemblies can be strongly affected by the dipolar relaxation that occurs in spin-flip collisions. Here we present experimental results for a...