Results 221 to 230 of about 928,236 (401)

The Harmonic Oscillator Group [PDF]

open access: green, 1972
Raquel M. López   +2 more
openalex   +1 more source

Substituent‐Controlled Energetics and Barriers of Mechanochromic Spiropyran‐Functionalized Poly(ɛ‐caprolactone)

open access: yesMacromolecular Chemistry and Physics, Volume 224, Issue 1, January 2023., 2023
Four different spiropyrans with consistently varying substitution patterns are incorporated into the middle of poly(ε‐caprolactone) used for tensile testing with in‐situ UV–vis spectroscopy. The influence of combined electronic and steric effects on the force‐induced spiropyran–merocyanine transition is investigated theoretically and experimentally by ...
Fabian Kempe   +6 more
wiley   +1 more source

Pulse‐Level Quantum Robust Control with Diffusion‐Based Reinforcement Learning

open access: yesAdvanced Physics Research, EarlyView.
This paper proposes a diffusion‐based reinforcement learning method for pulse‐level quantum robust control (PQC‐DBRL) to enhance the robustness of pulse‐level quantum gate control. When evaluated across different Hamiltonian variations, PQC‐DBRL shows a smaller fidelity variance compared to GRAPE, indicating higher robustness against system parameter ...
Yuanjing Zhang   +3 more
wiley   +1 more source

Host‐guest tuning of the CO2 reduction activity of an iron porphyrin cage

open access: yesNatural Sciences, Volume 3, Issue 1, January 2023., 2023
An iron porphyrin cage can catalyze CO2 electroreduction to CO with a large selectivity. The catalytic properties can be further improved by tuning the internal electrostatic potential of the cage by hosting the potassium ions in the crown‐ether‐like side walls.
Adarsh Koovakattil Surendran   +7 more
wiley   +1 more source

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