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Gravitational Vector Dark Matter
Christian Gross, Sotirios Karamitsos, Giacomo Landini +1
A new dark sector consisting of a pure non-abelian gauge theory has no renormalizable interaction with SM particles, and can thereby realise gravitational Dark Matter (DM). Gauge i…
Quantum gas microscopy for single atom and spin detection
Christian Gross, Waseem S. Bakr
A particular strength of ultracold quantum gases are the versatile detection methods available. Since they are based on atom-light interactions, the whole quantum optics toolbox ca…
Microscopic electronic structure tomography of Rydberg macrodimers
Simon Hollerith, Jun Rui, Antonio Rubio-Abadal +5
Precise control and study of molecules is challenging due to the variety of internal degrees of freedom and local coordinates that are typically not controlled in an experiment. Em…
Raman Sideband Cooling in Optical Tweezer Arrays for Rydberg Dressing
Nikolaus Lorenz, Lorenzo Festa, Lea-Marina Steinert +1
Single neutral atoms trapped in optical tweezers and laser-coupled to Rydberg states provide a fast and flexible platform to generate configurable atomic arrays for quantum simulat…
Microscopic evolution of doped Mott insulators from polaronic metal to Fermi liquid
Joannis Koepsell, Dominik Bourgund, Pimonpan Sompet +8
The competition between antiferromagnetism and hole motion in two-dimensional Mott insulators lies at the heart of a doping-dependent transition from an anomalous metal to a conven…
Is negative kinetic energy meta-stable?
Christian Gross, Alessandro Strumia, Daniele Teresi +1
We explore the possibility that theories with negative kinetic energy (ghosts) can be meta-stable up to cosmologically long times. In classical mechanics, ghosts undergo spontaneou…