Optimal state manipulation for a two-qubit system driven by coherent and incoherent controls

OV Morzhin, AN Pechen - Quantum Information Processing, 2023 - Springer
Optimal control of two-qubit quantum systems attracts high interest due to applications
ranging from two-qubit gate generation to optimization of receiver for transferring coherence …

Control landscape of measurement-assisted transition probability for a three-level quantum system with dynamical symmetry

M Elovenkova, A Pechen - Quantum Reports, 2023 - mdpi.com
Quantum systems with dynamical symmetries have conserved quantities that are preserved
under coherent control. Therefore, such systems cannot be completely controlled by means …

[HTML][HTML] Controlling NMR spin systems for quantum computation

JA Jones - Progress in Nuclear Magnetic Resonance …, 2024 - Elsevier
Nuclear magnetic resonance is arguably both the best available quantum technology for
implementing simple quantum computing experiments and the worst technology for building …

Control landscapes for high-fidelity generation of C-NOT and C-PHASE gates with coherent and environmental driving

AN Pechen, VN Petruhanov, OV Morzhin… - The European Physical …, 2024 - Springer
High-fidelity generation of two-qubit gates is important for quantum computation, since such
gates are components of popular universal sets of gates. Here, we consider the problem of …

[HTML][HTML] Quantum chemical package Jaguar: A survey of recent developments and unique features

Y Cao, T Balduf, MD Beachy, MC Bennett… - The Journal of …, 2024 - pubs.aip.org
This paper is dedicated to the quantum chemical package Jaguar, which is commercial
software developed and distributed by Schrödinger, Inc. We discuss Jaguar's scientific …

Optimization of time-dependent decoherence rates and coherent control for a qutrit system

O Morzhin, A Pechen - arXiv preprint arXiv:2308.03976, 2023 - arxiv.org
The work considers an open qutrit system whose density matrix $\rho (t) $ evolution is
governed by the Gorini-Kossakowski-Sudarshan-Lindblad master equation with …

Introduction to theoretical and experimental aspects of quantum optimal control

Q Ansel, E Dionis, F Arrouas… - Journal of Physics B …, 2024 - iopscience.iop.org
Quantum optimal control (QOC) is a set of methods for designing time-varying
electromagnetic fields to perform operations in quantum technologies. This tutorial paper …

Control of the von Neumann entropy for an open two-qubit system using coherent and incoherent drives

OV Morzhin, AN Pechen - Entropy, 2023 - mdpi.com
This article is devoted to developing an approach for manipulating the von Neumann
entropy S (ρ (t)) of an open two-qubit system with coherent control and incoherent control …

Quantitative analysis of 2D EXSY NMR spectra of strongly coupled spin systems in transmembrane exchange

D Shishmarev, CQ Fontenelle, B Linclau… - …, 2024 - Wiley Online Library
Solute translocation by membrane transport proteins is a vital biological process that can be
tracked, on the sub‐second timescale, using nuclear magnetic resonance (NMR) …

Insensitive: Simulation of the NMR Experiment for Didactic Purposes

K Boldt - Applied Magnetic Resonance, 2023 - Springer
Since its first publication in 2011, the program “Insensitive” has progressed to be one of the
most feature-rich, educational simulation tools for the nuclear magnetic resonance …