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Non-classicality tests and entanglement witnesses for macroscopic mechanical superposition states
Oleg Gittsovich, Tobias Moroder, Ali Asadian +2
We describe a set of measurement protocols for performing non-classicality tests and the verification of entangled superposition states of macroscopic continuous variable systems,…
General description of quasi-adiabatic dynamical phenomena near exceptional points
Thomas J. Milburn, Jörg Doppler, Catherine A. Holmes +3
The appearance of so-called exceptional points in the complex spectra of non-Hermitian systems is often associated with phenomena that contradict our physical intuition. One exampl…
Ion-trap measurements of electric-field noise near surfaces
M. Brownnutt, M. Kumph, P. Rabl +1
Electric-field noise near surfaces is a common problem in diverse areas of physics, and a limiting factor for many precision measurements. There are multiple mechanisms by which su…
Two-dimensional Lattice Gauge Theories with Superconducting Quantum Circuits
D. Marcos, P. Widmer, E. Rico +4
A quantum simulator of U(1) lattice gauge theories can be implemented with superconducting circuits. This allows the investigation of confined and deconfined phases in quantum link…
Implementation of the Dicke lattice model in hybrid quantum system arrays
Liujun Zou, David Marcos, Sebastian Diehl +4
Generalized Dicke models can be implemented in hybrid quantum systems built from ensembles of nitrogen-vacancy (NV) centers in diamond coupled to superconducting microwave cavities…