Results 161 to 170 of about 98,865 (276)

Out-of-time-ordered-correlators for the pure inverted quartic oscillator: classical chaos meets quantum stability

open access: yesJournal of High Energy Physics
Out-of-time-ordered-correlators (OTOCs) have been suggested as a means to diagnose chaotic behavior in quantum mechanical systems. Recently, it was found that OTOCs display exponential growth for the inverted quantum harmonic oscillator, mirroring the ...
Paul Romatschke
doaj   +1 more source

Quantum Theory of Surface Lattice Resonances

open access: yesNanophotonics, Volume 15, Issue 3, 12 February 2026.
ABSTRACT The collective interactions of nanoparticles arranged in periodic structures give rise to high‐Q $Q$ in‐plane diffractive modes known as surface lattice resonances. Although these resonances and their broader implications have been extensively studied within the framework of classical electrodynamics and linear response theory, a quantum ...
Michael Reitz   +4 more
wiley   +1 more source

Analyzing the Free States of one Quantum Resource Theory as Resource States of Another

open access: yesAdvanced Quantum Technologies, Volume 9, Issue 2, February 2026.
The article investigates how free states in one quantum resource theory can become highly resourceful in another. It systematically studies multipartite entanglement, fermionic non‐Gaussianity, imaginarity, realness, spin coherence, Clifford non‐stabilizerness, Sn‐equivariance, and non‐uniform entanglement, combining rigorous analytical tools and ...
Andrew E. Deneris   +5 more
wiley   +1 more source

Control of Open Quantum Systems via Dynamical Invariants

open access: yesAdvanced Quantum Technologies, Volume 9, Issue 2, February 2026.
Dynamical invariants are used to reverse‐engineer control fields for open quantum systems described by time‐dependent Lindblad master equations. By minimizing an analytic leakage functional, the protocol dynamically steers the state along an effectively decoherence‐free path without costly iterative propagation.
Loris M. Cangemi   +4 more
wiley   +1 more source

Multiscale Quantum Harmonic Oscillator Algorithm for Multimodal Optimization. [PDF]

open access: yesComput Intell Neurosci, 2018
Wang P   +5 more
europepmc   +1 more source

The classical Lenz vector and the two-dimensional quantum harmonic oscillator

open access: gold, 2020
Stefano Palmisano   +3 more
openalex   +2 more sources

On the Aromaticity in Cyclic H‐Bonded Chains: Linking HOMIA Descriptor to Molecular Properties

open access: yesChemistrySelect, Volume 11, Issue 5, 5 February 2026.
ABSTRACT Aromaticity is a central concept in organic chemistry to explain the high stability of conjugated rings. This study extends this concept to cyclic hydrogen‐bonded (H‐bonded) chains by introducing a modified descriptor, the harmonic oscillator model of intermolecular aromaticity (HOMIA), to quantify aromaticity in cyclic H‐bonded chains of HCN,
Murillo H. Queiroz   +3 more
wiley   +1 more source

Characterization of a quantum bus between two driven qubits

open access: yesPhysical Review Research
We investigate the use of driven qubits coupled to a harmonic oscillator to implement a sqrt[iSWAP] gate. By dressing the qubits through an external driving field, the qubits and the harmonic oscillator can be selectively coupled, allowing for the ...
Alberto Hijano   +3 more
doaj   +1 more source

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