Spin squeezing in a quadrupolar nuclei NMR system

R Auccaise, AG Araujo-Ferreira, RS Sarthour… - Physical Review Letters, 2015 - APS
We have produced and characterized spin-squeezed states at a temperature of 26° C in a
nuclear magnetic resonance quadrupolar system. The experiment was carried out on Cs …

Transformation of spin in quantum reference frames

M Mikusch, LC Barbado, Č Brukner - Physical Review Research, 2021 - APS
In physical experiments, reference frames are standardly modeled through a specific choice
of coordinates used to describe the physical systems, but they themselves are not …

Universal quantum computation and quantum error correction using discrete holonomies

CJG Mommers, E Sjöqvist - Physical Review A, 2022 - APS
Holonomic quantum computation exploits a quantum state's nontrivial, matrix-valued
geometric phase (holonomy) to perform fault-tolerant computation. Holonomies arising from …

NMR Hamiltonian as an effective Hamiltonian to generate Schrödinger's cat states

A Consuelo-Leal, AG Araujo-Ferreira… - Quantum Information …, 2022 - Springer
This report experimentally demonstrates that the theoretical background of the atom–field
scenario points out that the NMR quadrupolar Hamiltonian works as an effective …

Nuclear spin squeezing via electric quadrupole interaction

Y Aksu Korkmaz, C Bulutay - Physical Review A, 2016 - APS
Control over nuclear-spin fluctuations is essential for processes that rely on preserving the
quantum state of an embedded system. For this purpose, squeezing is a viable alternative …

Experimental implementation of quantum information processing by Zeeman-perturbed nuclear quadrupole resonance

J Teles, C Rivera-Ascona, RS Polli… - Quantum Information …, 2015 - Springer
Nuclear magnetic resonance (NMR) has been widely used in the context of quantum
information processing (QIP). However, despite the great similarities between NMR and …

Estimating the time evolution of NMR systems via a quantum-speed-limit–like expression

DV Villamizar, EI Duzzioni, ACS Leal, R Auccaise - Physical Review A, 2018 - APS
Finding the solutions of the equations that describe the dynamics of a given physical system
is crucial in order to obtain important information about its evolution. However, by using …

PULSEE: A software for the quantum simulation of an extensive set of magnetic resonance observables

D Candoli, IK Nikolov, LZ Brito, S Carr, S Sanna… - Computer Physics …, 2023 - Elsevier
We present an open-source software for simulation of observables in magnetic resonance
experiments, including nuclear magnetic/quadrupole resonance NMR/NQR and electron …

[HTML][HTML] Topological basis associated with B–M–W algebra: Two-spin-1/2 realization

G Wang, C Sun, B Liu, Y Liu, Y Zhang, K Xue - Physics Letters A, 2015 - Elsevier
In this letter, we study the two-spin-1/2 realization for the Birman–Murakami–Wenzl (B–M–
W) algebra and the corresponding Yang–Baxter R˘(θ, ϕ) matrix. Based on the two-spin-1/2 …

Spin coherent states phenomena probed by quantum state tomography in Zeeman perturbed nuclear quadrupole resonance

J Teles, R Auccaise, C Rivera-Ascona… - Quantum Information …, 2018 - Springer
Recently, we reported an experimental implementation of quantum information processing
(QIP) by nuclear quadrupole resonance (NQR). In this work, we present the first quantum …