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Showing 1 to 20 of 63 for “"RABI"”.
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Photoionization of atoms with ultrashort XUV laser pulses at extreme intensities
… of this survey and the resulting signatures as Rabi oscillations and characteristic spectra of photoelectrons are analysed. Furthermore, different levels of theory are applied for one-dimensional model atoms, providing a systematically manner to pinpoint the features induced by coherent and …
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Nonadiabatic control of a superconducting qubit via strong driving
… a two-state system is to drive it weakly using Rabi dynamics. This approach is ineffective for a large scale quantum computer because the rotation is slow, and decoherence breaks the fragile state before the computation can be completed. To address this problem, we developed a method to rapidly …
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Discovery of Novel Tubulin Inhibitors and Selective Survivin Inhibitors for Advanced Melanoma and Total Synthesis of Bioactive 20S-hydroxyvitamin D3
… highlight our effort to synthesize reverse ABI (RABI) analogues for SAR study. In this chapter, a novel and concise synthetic route was established toaccess RABI scaffold. RABI scaffold was constructed through a Grignard reaction/Suzuki-Miyaura coupling reaction strategy. From this new synthetic …
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Discovery of Novel Tubulin Polymerization Inhibitors and Survivin Inhibitors as Potential Anticancer Agents
… ring of ABI structure and thus was named RABI. Those newly synthesized compounds were tested against eight different cancer cells, including multidrug-resistant cancer cell lines. The in vitro results showed that several compounds in this series had excellent anti-proliferative activities. …
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Developing microwave probes for investigating opto-electronic processes in photovoltaic materials
… c) demonstrate an increased sensitivity of the Rabi frequency spectroscopy technique using shaped pulses applied to P3TP, a singlet-fission material. We find that the increased Rabi frequency fidelity of shaped Rabi pulses results in a more constrained estimate of the remnant coupling between …
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Drought assessment of Pakistan and its impact on its agricultural production
… correlation exists between the drought and Rabi crop production for Balochistan and KPK provinces, which have limited natural resources; whereas no such correlation exists for the provinces of Punjab and Sindh, since there is already an abundant presence of various natural resources in the …
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Theory for strongly coupled quantum dot cavity quantum electrodynamics - Photon statistics and phonon signatures in quantum light emission
… Wechselwirkung die auftretenden Verluste und Rabi Oszillationen treten auf. Diese Arbeit befasst sich mit der theoretischen Beschreibung solcher Systeme für den Fall, dass wenige Photonen mit einem einzelnen Quantenpunkt wechselwirken und die Dynamik der Photonen und Elektronen stark …
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Sustainability of the Indus Basin: Impact of tertiary salinity/sodicity on wheat productivity, damage assessment and future public policy
… this proportion may be as high as 70% for rabi season when wheat is the dominant crop.
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Multimode Ultrastrong Coupling with FW-BICs in THz Metasurface
… with an energy separation known as the vacuum Rabi splitting in which the USC regime is reached. For quantum computing platforms, the stronger the coupling the more efficient qubit-photon coupling can become which provides shorter operation times. The USC regime also allows the possibility of …
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Theory of photo-induced ferro-magnetism in dilute magnetic semiconductors
… This is a situation similar to the famous Rabi problem of a two state system coupled to time-dependent oscillating electric field. Ours is a multi-state system with electrons and holes coupled to an oscillating electric field. This is a generalization of the Rabi problem which shows also a …
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Exotic vortices in superfluids and matrix product states for quantum optimization and machine learning
… vortices in two different systems: a rotating, Rabi-coupled, two-component Bose--Einstein condensate (BEC) and a rotating spinor-BEC, in two spatial dimensions. Vortex molecules can form in a two-component superfluid when a Rabi field drives transitions between the two components. We study the …
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Coherent ionization dynamics induced by intense X-ray free-electron laser pulses
… to the rate-equation level while possible Rabi cycling between the two discrete states is fully taken into account. The rate-equation approach, on the other hand, further simplifies the situation by treating the two-level system analogous to the Einstein rate equations. It is demonstrated …
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Characterization of Josephson Devices for Use in Quantum Computation
… device, including coherent dynamics such as Rabi oscillations. I did this by comparing results to the expected behavior of ideal two-level systems and with more detailed master equation and density matrix simulations. I performed state manipulation by applying dc bias currents and resonant …
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Trapping and Laser Cooling an Ensemble of Ytterbium-171 Atoms for use in an Atomic Clock
… steps improved the transfer of atoms during a Rabi oscillation from the ground to the clock state from approximately 45 percent excitation fraction to 80 percent excitation fraction. The final atomic ensemble preparation is now sufficient for running an atomic clock.
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Properties of Amorphous Transparent Conducting and Semiconducting Oxides from First Principles
<p>"Amorphous transparent conducting and semiconducting oxides possess properties superior or comparable to their crystalline counterparts. The structure-property relationship in amorphous oxides is not nearly as well understood as in the case of the crystalline transparent conducting oxides. We …
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Audiogravic illusion induced by acceleratory force fields
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Quantum State Singlet-Triplet Character Control in 7Li2
… upon the magnitude of the applied coupling field Rabi frequency, the mixing coefficients of the perturbed pair can therefore be coherently controlled. Such control may be useful for applications in cold molecule formation and control of predissociation rates, and may also provide insight into the …
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Quantenmechanische Feinstruktur und molekulare Dynamik gekoppelter Spin-1/2-Systeme in der In-vivo-NMR-Spektroskopie
… Protonen-Spins eine verallgemeinerte Breit-Rabi-Gleichung hergeleitet, um die residuale Wechselwirkung zweier Ringprotonen des Moleküls nachzuweisen. Aus der Quantifizierung der dipolaren Kopplungsstärken konnte der Ordnungsparameter S verschiedener Molekül-Untereinheiten der Metaboliten …
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Quantum information applications of frequency upconversion
… that the phase of the qubits is preserved. The Rabi oscillation-like behavior of upconversion is also demonstrated, allowing for the creation and manipulation of highly non-degenerate frequency qubits. These states may be used in conjunction with other degrees of freedom such as polarization, …
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