The instanton method and its numerical implementation in fluid mechanics

T Grafke, R Grauer, T Schäfer - Journal of Physics A …, 2015 - iopscience.iop.org
A precise characterization of structures occurring in turbulent fluid flows at high Reynolds
numbers is one of the last open problems of classical physics. In this review we discuss …

The role of non-native interactions in the folding of knotted proteins: insights from molecular dynamics simulations

R Covino, T Škrbić, SA Beccara, P Faccioli, C Micheletti - Biomolecules, 2013 - mdpi.com
For several decades, the presence of knots in naturally-occurring proteins was largely ruled
out a priori for its supposed incompatibility with the efficiency and robustness of folding …

Folding pathways of a knotted protein with a realistic atomistic force field

S a Beccara, T Škrbić, R Covino… - PLoS computational …, 2013 - journals.plos.org
We report on atomistic simulation of the folding of a natively-knotted protein, MJ0366, based
on a realistic force field. To the best of our knowledge this is the first reported effort where a …

[HTML][HTML] Variational control forces for enhanced sampling of nonequilibrium molecular dynamics simulations

A Das, DT Limmer - The Journal of chemical physics, 2019 - pubs.aip.org
We introduce a variational algorithm to estimate the likelihood of a rare event within a
nonequilibrium molecular dynamics simulation through the evaluation of an optimal control …

Dominant folding pathways of a WW domain

S a Beccara, T Škrbić, R Covino… - Proceedings of the …, 2012 - National Acad Sciences
We investigate the folding mechanism of the WW domain Fip35 using a realistic atomistic
force field by applying the Dominant Reaction Pathways approach. We find evidence for the …

Dynamic transition in an atomic glass former: A molecular-dynamics evidence

E Pitard, V Lecomte, F Van Wijland - Europhysics Letters, 2011 - iopscience.iop.org
We find that a Lennard-Jones mixture displays a dynamic phase transition between an
active regime and an inactive one. By means of molecular dynamics simulations and of a …

Sampling rare conformational transitions with a quantum computer

D Ghamari, P Hauke, R Covino, P Faccioli - Scientific Reports, 2022 - nature.com
Structural rearrangements play a central role in the organization and function of complex
biomolecular systems. In principle, Molecular Dynamics (MD) simulations enable us to …

Quantum Monte Carlo tunneling from quantum chemistry to quantum annealing

G Mazzola, VN Smelyanskiy, M Troyer - Physical Review B, 2017 - APS
Quantum tunneling is ubiquitous across different fields, from quantum chemical reactions
and magnetic materials to quantum simulators and quantum computers. While simulating …

Onsager–Machlup action-based path sampling and its combination with replica exchange for diffusive and multiple pathways

H Fujisaki, M Shiga, A Kidera - The Journal of chemical physics, 2010 - pubs.aip.org
For sampling multiple pathways in a rugged energy landscape, we propose a novel action-
based path sampling method using the Onsager–Machlup action functional. Inspired by the …

Joint probability distributions and fluctuation theorems

R García-García, V Lecomte, AB Kolton… - Journal of Statistical …, 2012 - iopscience.iop.org
We derive various exact results for Markovian systems that spontaneously relax to a non-
equilibrium steady state by using joint probability distribution symmetries of different entropy …