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We show that resonant driving between the spin up and spin down states of an electron spin-qubit in a quantum dot reduces the occupancy of the dot through leakage to an appropriately tuned lead. A nearby charge sensor measuring the…

介观与纳米尺度物理 · 物理学 2025-03-25 Emily Townsend , Joshua Pomeroy , Garnett W. Bryant

Periodic driving and Floquet engineering have emerged as invaluable tools for controlling and uncovering novel phenomena in quantum systems. In this study, we adopt these methods to manipulate nonequilibrium processes within…

量子物理 · 物理学 2023-09-12 Jakob Bätge , Yu Wang , Amikam Levy , Wenjie Dou , Michael Thoss

We study the parametric interaction between a single Nitrogen-Vacancy electronic spin and a diamond mechanical resonator in which the spin is embedded. Coupling between spin and oscillator is achieved by crystal strain, which is generated…

介观与纳米尺度物理 · 物理学 2017-04-05 Jean Teissier , Arne Barfuss , Patrick Maletinsky

We simulate the dynamics of varying density quasi-two-dimensional spin ensembles in solid-state systems, focusing on the nitrogen-vacancy centers in diamond. We consider the effects of various control sequences on the averaged dynamics of…

量子物理 · 物理学 2018-09-25 D. Farfurnik , Y. Horowicz , N. Bar-Gill

High-fidelity control of quantum systems is crucial for quantum information processing, but is often limited by perturbations from the environment and imperfections in the applied control fields. Here, we investigate the combination of…

量子物理 · 物理学 2021-01-12 Xiaodong Yang , Yunrui Ge , Bo Zhang , Jun Li

Strongly interacting spins underlie many intriguing phenomena and applications ranging from magnetism to quantum information processing. Interacting spins combined with motion display exotic spin transport phenomena, such as superfluidity…

We present a theoretical study of the spin dynamics of a single electron confined in a quantum dot. Spin dynamics is induced by the interplay of electrical driving and the presence of a spatially disordered magnetic field, the latter being…

介观与纳米尺度物理 · 物理学 2015-06-17 Gábor Széchenyi , András Pályi

We explore the dynamics and the steady state of a driven quantum spin coupled to a bath of fermions, which can be realized with a strongly imbalanced mixture of ultracold atoms using currently available experimental tools. Radio-frequency…

量子气体 · 物理学 2014-01-06 Michael Knap , Dmitry A. Abanin , Eugene Demler

We present a general method to realize resonant coupling between spins even though their energies are of different scales. Applying the method to the electron and nuclear spin systems such as a nitrogen-vacancy (NV) center with its nearby…

量子物理 · 物理学 2023-11-20 Sichen Xu , Chanying Xie , Zhen-Yu Wang

Electrically driven spin resonance is a powerful technique for controlling semiconductor spin qubits. However, it faces challenges in qubit addressability and off-resonance driving in larger systems. We demonstrate coherent bichromatic Rabi…

We have used quantum control to suppress the impact of random atom positions on coherent population transfer within atom pairs, enabling the observation of dipole-dipole driven Rabi oscillations in a Rydberg gas with hundreds of atoms. The…

量子物理 · 物理学 2024-07-18 Chengxing He , Robert R. Jones

Spin-based quantum information processing makes extensive use of spin-state manipulation. This ranges from dynamical decoupling of nuclear spins in quantum sensing experiments to applying logical gates on qubits in a quantum processor. Here…

量子物理 · 物理学 2023-11-30 Dan Yudilevich , Alon Salhov , Ido Schaefer , Konstantin Herb , Alex Retzker , Amit Finkler

Influence of resonant oscillating electromagnetic field on a single electron in coupled lateral quantum dots in the presence of phonon-induced relaxation and decoherence is investigated. Using symmetry arguments it is shown that spin and…

介观与纳米尺度物理 · 物理学 2013-05-29 Peter Stano , Jaroslav Fabian

Recent progress on qubit manipulation allows application of periodic driving signals on qubits. In this study, a harmonic driving field is added to a Rabi dimer to engineer photon and qubit dynamics in a circuit quantum electrodynamics…

量子物理 · 物理学 2019-05-17 Zhongkai Huang , Fulu Zheng , Yuyu Zhang , Yadong Wei , Yang Zhao

We investigate the dynamics of a non-interacting spin system, undergoing coherent Rabi oscillations, in the presence of stochastic resetting. We show that resetting generally induces long-range quantum and classical correlations both in the…

量子物理 · 物理学 2022-11-30 Matteo Magoni , Federico Carollo , Gabriele Perfetto , Igor Lesanovsky

We derive dynamical equations for a driven, dissipative quantum system in which the environment- induced relaxation rate is comparable to the Rabi frequency, avoiding assumptions on the frequency dependence of the environmental coupling.…

量子物理 · 物理学 2015-06-16 T. M. Stace , A. C. Doherty , D. J. Reilly

We consider joint effects of tunneling and spin-orbit coupling on driven by electric field spin dynamics in a double quantum dot with a multi-level resonance scenario. We demonstrate that tunneling plays the crucial role in the formation of…

介观与纳米尺度物理 · 物理学 2012-03-26 D. V. Khomitsky , L. V. Gulyaev , E. Ya. Sherman

Resilience to noise and to decoherence processes is an important ingredient for the implementation of quantum information processing, and quantum technologies. To this end, techniques such as pulsed and continuous dynamical decoupling have…

量子物理 · 物理学 2016-12-02 Itsik Cohen , Nati Aharon , Alex Retzker

Quantum control of solid-state spin qubits typically involves pulses in the microwave domain, drawing from the well-developed toolbox of magnetic resonance spectroscopy. Driving a solid-state spin by optical means offers a high-speed…

The need for strategies able to accurately manipulate quantum dynamics is ubiquitous in quantum control and quantum information processing. We investigate two scenarios where randomized dynamical decoupling techniques become more…

量子物理 · 物理学 2009-11-13 Lorenza Viola , Lea F. Santos
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