Transitionless quantum drivings for the harmonic oscillator
Two methods to change a quantum harmonic oscillator frequency without transitions in a
finite time are described and compared. The first method, a transitionless-tracking algorithm …
finite time are described and compared. The first method, a transitionless-tracking algorithm …
The generalized analytical approximation to the solution of the single-mode spin-boson model without rotating-wave approximation
T Liu, KL Wang, M Feng - Europhysics Letters, 2009 - iopscience.iop.org
The single-mode spin-boson model (SMSBM) has extensive application in different
subfields of physics. In the absence of rotating-wave approximation (RWA), we try to solve …
subfields of physics. In the absence of rotating-wave approximation (RWA), we try to solve …
Pulse design without the rotating-wave approximation
We design realizable time-dependent semiclassical pulses to invert the population of a two-
level system faster than adiabatically when the rotating-wave approximation cannot be …
level system faster than adiabatically when the rotating-wave approximation cannot be …
Bespoke pulse design for robust rapid two-qubit gates with trapped ions
Two-qubit gate performance is vital for scaling up ion-trap quantum computing. Optimized
quantum control is needed to achieve reductions in gate duration and gate error rate. We …
quantum control is needed to achieve reductions in gate duration and gate error rate. We …
Shortcuts to squeezed thermal states
L Dupays, A Chenu - Quantum, 2021 - quantum-journal.org
Squeezed state in harmonic systems can be generated through a variety of techniques,
including varying the oscillator frequency or using nonlinear two-photon Raman interaction …
including varying the oscillator frequency or using nonlinear two-photon Raman interaction …
Avoided crossing resonances: Structural and dynamical aspects
We examine structural and dynamical properties of quantum resonances associated with an
avoided crossing and identify the parameter shifts where these properties attain extreme …
avoided crossing and identify the parameter shifts where these properties attain extreme …
Quantum State Conversion in Two-Level System Without Rotating-Wave Approximation via Non-Hermitian Shortcuts to Adiabaticity
H Li, SQ Zhang, MX Li, M Guo, LJ Song - International Journal of …, 2019 - Springer
Adiabatic theorem has found many important applications in quantum physics. Shortcuts to
adiabaticity can effectively accelerate adiabatic process. We consider a two-level system …
adiabaticity can effectively accelerate adiabatic process. We consider a two-level system …
Analytical solution and applications of three qubits in three coupled modes without rotating wave approximation
JS Zhang, LJ Zhang, AX Chen, M Abdel-Aty - Quantum Information …, 2018 - Springer
We study the dynamics of the three-qubit system interacting with multi-mode without rotating
wave approximation (RWA). A physical realization of the system without direct qubits …
wave approximation (RWA). A physical realization of the system without direct qubits …
The most generalized analytical approximation to the solution of single-mode spin-boson model without rotating-wave approximation
T Liu, KL Wang, M Feng - arXiv preprint arXiv:0905.0426, 2009 - arxiv.org
The single-mode spin-boson model (SMSBM) has extensive application in different
subfields of physics. In the absence of rotating-wave approximation (RWA), we try to solve …
subfields of physics. In the absence of rotating-wave approximation (RWA), we try to solve …