Destination state screening of active spaces in spin dynamics simulations

M Krzystyniak, LJ Edwards, I Kuprov - Journal of Magnetic Resonance, 2011 - Elsevier
We propose a novel avenue for state space reduction in spin dynamics simulations, using
detectability as a selection criterion–only those states that evolve into or affect other …

Polynomially scaling spin dynamics II: further state-space compression using Krylov subspace techniques and zero track elimination

I Kuprov - Journal of Magnetic Resonance, 2008 - Elsevier
We extend the recently proposed state-space restriction (SSR) technique for quantum spin
dynamics simulations [Kuprov et al., J. Magn. Reson. 189 (2007) 241–250] to include on-the …

Polynomially scaling spin dynamics simulation algorithm based on adaptive state-space restriction

I Kuprov, N Wagner-Rundell, PJ Hore - Journal of Magnetic Resonance, 2007 - Elsevier
We report progress with an old problem in magnetic resonance—that of the exponential
scaling of simulation complexity with the number of spins. It is demonstrated below that a …

On the accuracy of the state space restriction approximation for spin dynamics simulations

A Karabanov, I Kuprov, GTP Charnock… - The Journal of …, 2011 - pubs.aip.org
We present an algebraic foundation for the state space restriction approximation in spin
dynamics simulations and derive applicability criteria as well as minimal basis set …

Spin-Scenario: A flexible scripting environment for realistic MR simulations

Y Chang, D Wei, H Jia, C Curreli, Z Wu… - Journal of magnetic …, 2019 - Elsevier
In this paper we present a new open source package, Spin-Scenario, aimed at developing
an intuitive, flexible and unique scripting framework able to cover many aspects of …

Exact NMR simulation of protein-size spin systems using tensor train formalism

DV Savostyanov, SV Dolgov, JM Werner, I Kuprov - Physical Review B, 2014 - APS
We introduce a new method, based on alternating optimization, for compact representation
of spin Hamiltonians and solution of linear systems of algebraic equations in the tensor train …

[HTML][HTML] A standard format and a graphical user interface for spin system specification

AG Biternas, GTP Charnock, I Kuprov - Journal of Magnetic Resonance, 2014 - Elsevier
We introduce a simple and general XML format for spin system description that is the result
of extensive consultations within Magnetic Resonance community and unifies under one …

Spin system trajectory analysis under optimal control pulses

I Kuprov - Journal of Magnetic Resonance, 2013 - Elsevier
Several methods are proposed for the analysis, visualization and interpretation of high-
dimensional spin system trajectories produced by quantum mechanical simulations. It is …

Quantum mechanical MRI simulations: Solving the matrix dimension problem

AJ Allami, MG Concilio, P Lally, I Kuprov - Science Advances, 2019 - science.org
We propose a solution to the matrix dimension problem in quantum mechanical simulations
of MRI (magnetic resonance imaging) experiments on complex molecules. This problem is …

Strategies for state space restriction in densely coupled spin systems with applications to spin chemistry

HJ Hogben, PJ Hore, I Kuprov - The Journal of chemical physics, 2010 - pubs.aip.org
We propose three basis screening methods for state space restriction in Liouville space
simulations of large densely coupled spin systems encountered in electron paramagnetic …