Zobrazeno 1 - 10
of 161
pro vyhledávání: '"Feng-Xun Li"'
We explore the protection of quantum gates from arbitrary single- and two-qubit noises with properly designed dynamical decoupling pulses. The proposed dynamical decoupling method is a concatenation of a sequence of pulses formed by $\sigma_x$, $\sig
Externí odkaz:
http://arxiv.org/abs/2405.04090
In the preceding Comment [1] it was claimed that the third-order Hamiltonian obtained in our original paper [2] is not Hermitian for general situations when considering time-dependence and the way of deriving the effective third-order expansion is no
Externí odkaz:
http://arxiv.org/abs/2312.05732
Publikováno v:
Phys. Rev. Research 5, 023005 (2023)
We investigate the multi-photon resonance and multi-ion excitation in a single-mode cavity with identical vibrating ion-qubits, which enables the tripartite interaction among the internal states of ions, the cavity mode and the ions' vibrational moti
Externí odkaz:
http://arxiv.org/abs/2206.12221
We explore the implementation of hybridly protected quantum operations combining the merits of holonomy, dynamical decoupling approach and dephasing-free feature based on a simple and experimentally achievable spin model. The implementation of the qu
Externí odkaz:
http://arxiv.org/abs/2105.04914
Akademický článek
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Publikováno v:
PRA 82, 052315 (2010)
We propose a scheme for entanglement distribution among different single atoms trapped in separated cavities. In our scheme, by reflecting an input coherent optical pulse from a cavity with a single trapped atom, a controlled phase-shift gate between
Externí odkaz:
http://arxiv.org/abs/1902.08344
James' effective Hamiltonian method has been extensively adopted to investigate largely detuned interacting quantum systems. This method is just corresponding to the second-order perturbation theory, and cannot be exploited to treat the problems whic
Externí odkaz:
http://arxiv.org/abs/1702.07967
Publikováno v:
Laser Phys. Lett. 14, 045203 (2017)
In this work, the absorption spectrum of a two-level ion in a linear Paul trap is investigated, the ion is supposed to be driven by two orthogonal laser beams, the one along the axial of the trap acts as the control light beam, the other as probe bea
Externí odkaz:
http://arxiv.org/abs/1702.07972
Publikováno v:
Phys. Rev. Lett. 117, 023901 (2016)
We numerically study the propagation of a few-cycle pulse carrying orbital angular momentum (OAM) through a dense atomic system. Nonlinear precursors consisting of high-order vortex har- monics are generated in the transmitted field due to ultrafast
Externí odkaz:
http://arxiv.org/abs/1602.07823
The existence of minimal length scale has motivated the proposal of generalized uncertainty principle, which provides a potential routine to probe quantum gravitational effects in low-energy quantum mechanics experiment. Hitherto, the tabletop experi
Externí odkaz:
http://arxiv.org/abs/1602.07777