LIMINAL fits nested Lindblad models to tomographic data and uses likelihood-ratio tests to identify minimal dynamics for a five-qubit superconducting processor, supporting three-local Hamiltonian terms and two-local dissipation but not three-local dissipation.
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A semiclassical framework using generalized spin-wave approximations on quantum trajectories from the master equation enables efficient simulation of non-equilibrium dynamics in open spin systems, revealing interaction-range-dependent continuous Z2 symmetry-breaking transitions for drive-axis Dissip
A propagating front in a high-kinetic-inductance superconducting line induces a tunable Doppler shift that converts microwave wave-packet frequencies by up to 3.7 percent without distorting their temporal envelope.
An AFM actuator enables Rabi oscillations, Ramsey interferometry, and displaced-parity Wigner tomography of the anharmonic flexural mode in a suspended carbon nanotube without optical or microwave drives.
Experimental demonstration of universal qudit control on a cavity oscillator via compiled Jaynes-Cummings gates with a transmon ancilla, reaching 96% mean post-selected process fidelity for qutrit gates.
Finite quantum batteries in geometric Landau-Zener interferometry produce sector-resolved evolution, contrast loss, and back-action that benchmark phase-coherent energy delivery.
Experimental verification that transmon ionization under strong readout drives is a controllable Landau-Zener transition, with quantitative measurements of critical photon numbers and population transfer matching a semiclassical model.
citing papers explorer
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Learning Lindblad Dynamics of a Superconducting Quantum Processor
LIMINAL fits nested Lindblad models to tomographic data and uses likelihood-ratio tests to identify minimal dynamics for a five-qubit superconducting processor, supporting three-local Hamiltonian terms and two-local dissipation but not three-local dissipation.
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Generalized stochastic spin-wave theory for open quantum spin systems
A semiclassical framework using generalized spin-wave approximations on quantum trajectories from the master equation enables efficient simulation of non-equilibrium dynamics in open spin systems, revealing interaction-range-dependent continuous Z2 symmetry-breaking transitions for drive-axis Dissip
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Doppler-induced tunable and shape-preserving frequency conversion of microwave wave packets
A propagating front in a high-kinetic-inductance superconducting line induces a tunable Doppler shift that converts microwave wave-packet frequencies by up to 3.7 percent without distorting their temporal envelope.
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Quantum Tomography of Suspended Carbon Nanotubes
An AFM actuator enables Rabi oscillations, Ramsey interferometry, and displaced-parity Wigner tomography of the anharmonic flexural mode in a suspended carbon nanotube without optical or microwave drives.
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Universal Jaynes-Cummings Control of an Oscillator
Experimental demonstration of universal qudit control on a cavity oscillator via compiled Jaynes-Cummings gates with a transmon ancilla, reaching 96% mean post-selected process fidelity for qutrit gates.
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Quantum-Battery-Powered Geometric Landau-Zener Interferometry
Finite quantum batteries in geometric Landau-Zener interferometry produce sector-resolved evolution, contrast loss, and back-action that benchmark phase-coherent energy delivery.
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Probing excited-state dynamics of transmon ionization
Experimental verification that transmon ionization under strong readout drives is a controllable Landau-Zener transition, with quantitative measurements of critical photon numbers and population transfer matching a semiclassical model.