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60 papers · 1 filter
Open Quantum Systems Driven by Chirped Pulses: Quantized versus Semiclassical Fields and the Validity of the Rotating-Wave Approximation
Justin Zhengjie Tan, Frank Großmann, Yiying Yan +2
Population transfer via chirped rapid adiabatic passage is studied using open quantum and semiclassical models, with and without the rotating-wave approximation. A time-dependent v…
Vibrationally Induced Resonances in Lasing
Kai Müller, Kimmo Luoma, Christian Schäfer
Optical circuits and light sources, such as lasers, undergo continuous miniaturization. In its extreme, nanolasers might be comprised of only a few molecules confined in plasmonic…
Uniform process tensor approach for the calculation of multi-time correlation functions of non-Markovian open systems
Matteo Garbellini, Konrad Mickiewicz, Valentin Link +2
The process tensor framework to open quantum systems provides the most general description of multi-time correlations in non-Markovian quantum dynamics. A compressed representation…
Higher order Magnus expansions for driven two-level quantum dynamics
Chen Wei, Frank Großmann
We investigate the Magnus expansion for a generic time-dependent two-level system under single-axis driving.By virtue of the su(2) Lie algebra, the expansion is decomposed into a c…
Exact Floquet dynamics of strongly damped driven quantum systems
Konrad Mickiewicz, Valentin Link, Walter T. Strunz
We present an approach for efficiently simulating strongly damped quantum systems subjected to periodic driving, employing a periodic matrix product operator representation of the…
Revealing the quantum nature of memory in non-Markovian dynamics on IBM Quantum
Charlotte Bäcker, Krishna Palaparthy, Walter T. Strunz
We investigate memory effects in non-Markovian dynamics on superconducting quantum processors provided by IBM Quantum. We use a collision-model approach to implement suitable singl…