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IBM has put an experimental 5 qubit gate-level quantum processor on the web and is allowing members of the public to apply to get access to it. At the IBM Quantum Experience website there are four modules; a short tutorial that explains the basics of quantum computation and instructions on ...
A two-level system with level spacing ε is interacting with an environment that is again modeled as a collection of harmonic oscillators. However, now there is no population decay. Instead, the system undergoes dephasing only, which is the reason why this model is known as the pure dephasing...
regeoaQanpseSoΔLcnacto.nimBfstoeehteedhteτhtcQharSteeLatrτhseQeedSsLuawvcaetnitirodhangtthheindee In concluding this section, we would like to emphasize that, the environmental coherence and the width of the band gap are all play an important role in accelerating the intrinsic speed of...
�9� The second-order canonical initial �T(t0) will be used ex- plicitly and the resulting theory is therefore complete at the second-order level. To conclude this subsection, let us introduce the Liouvil- lian L(t) and its associating propagator G(t,�): L�t�A��H...
quantum mechanics leads, due to the incommensurability of the masses of light electrons and heavy nuclei, to the divergence of the series of time-dependent per- turbation theory, and, accordingly, to a singularity in the rates of "quantum" transitions in molecular and chemical physics [5]. ...
sensors Article Low-Loss Coupling of Quantum Cascade Lasers into Hollow-Core Waveguides with Single-Mode Output in the 3.7–7.6 µm Spectral Range Pietro Patimisco 1,2, Angelo Sampaolo 1,2, Laura Mihai 3, Marilena Giglio 1, Jason Kriesel 4, Dan Sporea 3, Gaetano Scamarcio 1, Frank K...
I’m an assistant professor at the Leiden Institute of Advanced Computer Science at Leiden University in the Netherlands and a principal investigator in the aQa group.
If we chose a sufficiently large fixed driving time τ, which ensures the system reaches its steady etshtxaecteAerp,esttlhaftatherioaQatnsSthbtLheTeetdwτarQseiySveLminnrepgtfhtltoeeimtcτitcsQebSthLhe/eheτraeewvviiisootlhcruhittosihosceneonpnsupstoliesdeebedserenoτdfu,=tmthheb8ees0sry0...
We first consider a magnetic field purely in the ^z direction. Eq. 1 would predict no quantum oscillations if one assumed µ˜ = 0, while Eq. 5 tpvuermersduiocssttcshiqleluaitnainvoetnurssmewmhosoacsgielnlpaetteiirocinofisdelwidsi1tihn/BaqaupnaednritvoitadartiΔiov(ueΦsa 0...