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Quantum simulation of expanding space-time with tunnel-coupled condensates
Clemens Neuenhahn, Florian Marquardt
We consider two weakly interacting quasi-1D condensates of cold bosonic atoms. It turns out that a time-dependent variation of the tunnel-coupling between those condensates is equi…
Observing the Nonequilibrium Dynamics of the Quantum Transverse-Field Ising Chain in Circuit QED
Oliver Viehmann, Jan von Delft, Florian Marquardt
We show how a quantum Ising spin chain in a time-dependent transverse magnetic field can be simulated and experimentally probed in the framework of circuit QED with current technol…
Quantum many-body dynamics in optomechanical arrays
Max Ludwig, Florian Marquardt
We study the nonlinear driven dissipative quantum dynamics of an array of optomechanical systems. At each site of such an array, a localized mechanical mode interacts with a laser-…
Dynamics of levitated nanospheres: towards the strong coupling regime
T. S. Monteiro, J. Millen, G. A. T. Pender +3
The use of levitated nanospheres represents a new paradigm for the optomechanical cooling of a small mechanical oscillator, with the prospect of realising quantum oscillators with…
Full photon statistics of a light beam transmitted through an optomechanical system
Andreas Kronwald, Max Ludwig, Florian Marquardt
In this paper, we study the full statistics of photons transmitted through an optical cavity coupled to nanomechanical motion. We analyze the entire temporal evolution of the photo…
Optomechanical circuits for nanomechanical continuous variable quantum state processing
Michael Schmidt, Max Ludwig, Florian Marquardt
We propose and analyze a nanomechanical architecture where light is used to perform linear quantum operations on a set of many vibrational modes. Suitable amplitude modulation of a…