166 citations · 2.2k across the 70 of their papers we have counts for
70 papers
Long-range Kitaev chain in a thermal bath: Analytic techniques for time-dependent systems and environments
Emma C. King, Michael Kastner, Johannes N. Kriel
We construct and solve a "minimal model" with which nonequilibrium phenomena in many-body open quantum systems can be studied analytically under time-dependent parameter changes in…
Universal cooling dynamics toward a quantum critical point
Emma C. King, Johannes N. Kriel, Michael Kastner
We investigate the loss of adiabaticity when cooling a many-body quantum system from an initial thermal state toward a quantum critical point. The excitation density, which quantif…
Robust control of quantum systems by quantum systems
Thomas Konrad, Amy Rouillard, Michael Kastner +1
Quantum systems can be controlled by other quantum systems in a reversible way, without any information leaking to the outside of the system-controller compound. Such coherent quan…
Integrable active atom interferometry
Michael Kastner, Vincent Menet, Johannes N. Kriel
Active interferometers are designed to enhance phase sensitivity beyond the standard quantum limit by generating entanglement inside the interferometer. An atomic version of such a…
Ancilla-assisted probing of temporal quantum correlations of large spins
Michael Kastner
When measuring quantum spins at two or more different times, the later measurements are affected by measurement backaction occurring due to the earlier measurements. This makes the…
Bosonic representation of a Lipkin-Meshkov-Glick model with Markovian dissipation
Jan C. Louw, Michael Kastner, Johannes N. Kriel
We study the dynamics of a Lipkin-Meshkov-Glick model in the presence of Markovian dissipation, with a focus on late-time dynamics and the approach to thermal equilibrium. Making u…