Band-selective universal 90° and 180° rotation pulses covering the aliphatic carbon chemical shift range for triple resonance experiments on 1.2 GHz spectrometers

S Slad, W Bermel, R Kümmerle, D Mathieu… - Journal of Biomolecular …, 2022 - Springer
Biomolecular NMR spectroscopy requires large magnetic field strengths for high spectral
resolution. Today's highest fields comprise proton Larmor frequencies of 1.2 GHz and even …

Adaptive optimal control of entangled qubits

DL Goodwin, P Singh, M Foroozandeh - Science Advances, 2022 - science.org
Develo** fast, robust, and accurate methods for optimal control of quantum systems
comprising interacting particles is one of the most active areas of current science. Although a …

Accelerated Newton-Raphson GRAPE methods for optimal control

DL Goodwin, MS Vinding - Physical Review Research, 2023 - APS
A Hessian-based state-to-state optimal control method in Liouville space is presented to
mitigate previously undesirable polynomial scaling of Hessian computation time. This …

SORDOR pulses: expansion of the Böhlen–Bodenhausen scheme for low-power broadband magnetic resonance

JD Haller, DL Goodwin, B Luy - Magnetic Resonance, 2022 - mr.copernicus.org
A novel type of efficient broadband pulse, called second-order phase dispersion by
optimised rotation (SORDOR), has recently been introduced. In contrast to adiabatic …

Analytical solution for the inverting pulses with constant adiabaticity

KL Ivanov, AV Snadin, AS Kiryutin… - Journal of Magnetic …, 2022 - Elsevier
The exact solution was found for inverting pulses with constant adiabaticity for spin ½. The
analytical relationship between the time-varying frequency of the microwave resonant field …

Numerical engineering of robust adiabatic operations

S Tabatabaei, H Haas, W Rose, B Yager, M Piscitelli… - Physical Review …, 2021 - APS
Adiabatic operations are powerful tools for robust quantum control in numerous fields of
physics, chemistry, and quantum information science. The inherent robustness due to …

Concurrent J-evolving refocusing pulses

S Ehni, MRM Koos, T Reinsperger, JD Haller… - Journal of Magnetic …, 2022 - Elsevier
Conventional refocusing pulses are optimised for a single spin without considering any type
of coupling. However, despite the fact that most couplings will result in undesired distortions …