# Dr Rob Jack

### Biographical Information

- Lecturer/EPSRC Career Acceleration Fellow, University of Bath, 4/08 -
- Postdoctoral researcher, University of California at Berkeley, 1/06 - 3/08
- Research Associate, University of Oxford, 11/03 - 12/05
- Ph.D. (Imperial College London) 2004
- M.Sci (Cambridge) 2000

### Research Interests

I study how microscopic events are correlated in space and time. Here, an event might be the movement of a molecule in a liquid, or the creation of a bond between two parts of a virus, as it forms inside an infected cell. Correlations between events have simple origins – for example, if a molecule in a dense material is to move, then other molecules must move out of the way. It follows that events which occur at similar times are often clustered in space. Even this simple effect can have far-reaching consequences, such as dynamical arrest in glass-forming liquids, or viruses that cannot assemble effectively. By developing and applying new theoretical and computational methods, I study event correlations in these systems, aiming to understand and control processes such as the glass transition, crystallisation, and self-assembly.

## Publications

Hedges, L. O., Kim, H. A. and Jack, R. L., 2017. Forthcoming. Stochastic level-set method for shape optimisation. *Journal of Computational Physics*, 348, pp. 82-107.

Zimmer, G., Jack, R. and Kaiser, M., 2017. Forthcoming. Acceleration of convergence to equilibrium in Markov chains by breaking detailed balance. *Journal of Statistical Physics*

Razali, A., Fullerton, C. J., Turci, F., Hallett, J. E., Jack, R. L. and Royall, C. P., 2017. Effects of vertical confinement on gelation and sedimentation of colloids. *Soft Matter*, 13 (17), pp. 3230-3239.

Burman, M., Carpenter, D. and Jack, R. L., 2017. Emergence of particle clusters in a one-dimensional model:connection to condensation processes. *Journal of Physics A: Mathematical and Theoretical*, 50 (13), 135002.

Nemoto, T., Jack, R. L. and Lecomte, V., 2017. Finite-size scaling of a first-order dynamical phase transition:Adaptive population dynamics and an effective model. *Physical Review Letters*, 118 (11), 115702.

Fullerton, C. J. and Jack, R. L., 2016. Optimising self-assembly through time-dependent interactions. *Journal of Chemical Physics*, 145 (24), 244505.

Jack, R. L. and Evans, M., 2016. Absence of dissipation in trajectory ensembles biased by currents. *Journal of Statistical Mechanics-Theory and Experiment*, 2016 (9), 093305.

Jack, R. L. and Berthier, L., 2016. Note: Physical mechanisms for the bulk melting of stable glasses. *Journal of Chemical Physics*, 145 (7), 076101.

Wilding, N. and Jack, R., 2016. Coarse-grained depletion potentials for anisotropic colloids: application to lock-and-key systems. *Journal of Chemical Physics*, 145 (8), 084907.

Coslovich, D. and Jack, R. L., 2016. Structure of inactive states of a binary Lennard-Jones mixture. *Journal of Statistical Mechanics-Theory and Experiment*, 2016 (7), 074012.

Jack, R. L. and Berthier, L., 2016. The melting of stable glasses is governed by nucleation-and-growth dynamics. *Journal of Chemical Physics*, 144 (24), p. 244506.

Nemoto, T., Bouchet, F., Jack, R. L. and Lecomte, V., 2016. Population-dynamics method with a multicanonical feedback control. *Physical Review E*, 93 (6), 062123.

Speck, T. and Jack, R. L., 2016. Ideal bulk pressure of active Brownian particles. *Physical Review E*, 93 (6), 062605.

Jack, R. L. and Garrahan, J. P., 2016. Phase transition for quenched coupled replicas in a plaquette spin model of glasses. *Physical Review Letters*, 116 (5), 055702.

Jana, P. K., Wang, C., Jack, R. L., Chi, L. and Heuer, A., 2015. Anomalous approach to thermodynamic equilibrium:structure formation of molecules after vapor deposition. *Physical Review E*, 92 (5), 052402.

Thompson, I. R. and Jack, R. L., 2015. Dynamical phase transitions in one-dimensional hard-particle systems. *Physical Review E*, 92 (5), 052115.

Jack, R. L. and Sollich, P., 2015. Effective interactions and large deviations in stochastic processes. *European Physical Journal - Special Topics*, 224 (12), pp. 2351-2367.

Ashton, D. J., Ivell, S. J., Dullens, R. P. A., Jack, R. A., Wilding, N. B. and Aarts, D. G. A. L., 2015. Self-assembly and crystallisation of indented colloids at a planar wall. *Soft Matter*, 11 (30), pp. 6089-6098.

Turner, R. M., Jack, R. L. and Garrahan, J. P., 2015. Overlap and activity glass transitions in plaquette spin models with hierarchical dynamics. *Physical Review E*, 92 (2), 022115.

Ashton, D., Jack, R. and Wilding, N., 2015. Porous liquid phases for indented colloids with depletion interactions. *Physical Review Letters*, 114, 237801.

Berthier, L. and Jack, R. L., 2015. Evidence for a disordered critical point in a glass-forming liquid. *Physical Review Letters*, 114 (20), 205701.

Whitelam, S. and Jack, R. L., 2015. The statistical mechanics of dynamic pathways to self-assembly. *Annual Review of Physical Chemistry*, 66 (1), pp. 143-163.

Jack, R. L., Thompson, I. R. and Sollich, P., 2015. Hyperuniformity and Phase Separation in Biased Ensembles of Trajectories for Diffusive Systems. *Physical Review Letters*, 114 (6).

Jack, R. L. and Zimmer, J., 2014. Geometrical interpretation of fluctuating hydrodynamics in diffusive systems. *Journal of Physics A: Mathematical and Theoretical*, 47 (48), 485001.

Jack, R.L., Dunleavy, A.J. and Royall, C.P., 2014. Information-theoretic measurements of coupling between structure and dynamics in glass formers. *Physical Review Letters*, 113, 095703.

Weber, J.K., Jack, R.L., Schwantes, C.R. and Pande, V.S., 2014. Dynamical phase transitions reveal amyloid-like states on protein folding landscapes. *Biophysical Journal*, 107 (4), pp. 974-982.

Fullerton, C.J. and Jack, R.L., 2014. Investigating amorphous order in stable glasses by random pinning. *Physical Review Letters*, 112 (25), 255701.

Williams, I., Oǧuz, E. C., Jack, R. L., Bartlett, P., Löwen, H. and Royall, C. P., 2014. The effect of boundary adaptivity on hexagonal ordering and bistability in circularly confined quasi hard discs. *Journal of Chemical Physics*, 140 (10), 104907.

Jack, R. L. and Sollich, P., 2014. Large deviations of the dynamical activity in the East model:analysing structure in biased trajectories. *Journal of Physics A: Mathematical and Theoretical*, 47 (1), 015003.

Ashton, D. J., Jack, R. L. and Wilding, N. B., 2013. Self-assembly of colloidal polymers via depletion-mediated lock and key binding. *Soft Matter*, 9 (40), pp. 9661-9666.

Jack, R. L. and Fullerton, C. J., 2013. Dynamical correlations in a glass former with randomly pinned particles. *Physical Review E*, 88 (4), 042304.

Fullerton, C.J. and Jack, R.L., 2013. Dynamical phase transitions in supercooled liquids:Interpreting measurements of dynamical activity. *Journal of Chemical Physics*, 138 (22), 224506.

Weber, J.K., Jack, R.L. and Pande, V.S., 2013. Emergence of glass-like behavior in markov state models of protein folding dynamics. *Journal of the American Chemical Society*, 135 (15), pp. 5501-5504.

Elmatad, Y. S. and Jack, R. L., 2013. Space-time phase transitions in the East model with a softened kinetic constraint. *Journal of Chemical Physics*, 138 (12), 12A531.

Klotsa, D. and Jack, R.L., 2013. Controlling crystal self-assembly using a real-time feedback scheme. *Journal of Chemical Physics*, 138 (9), 094502.

Grant, J. and Jack, R. L., 2012. Quantifying reversibility in a phase-separating lattice gas: An analogy with self-assembly. *Physical Review E*, 85 (2), 021112.

Jack, R. L. and Berthier, L., 2012. Random pinning in glassy spin models with plaquette interactions. *Physical Review E*, 85 (2), 021120.

Jack, R. L., Hedges, L. O., Garrahan, J. P. and Chandler, D., 2011. Preparation and relaxation of very stable glassy states of a simulated liquid. *Physical Review Letters*, 107 (27), 275702.

Grant, J., Jack, R. L. and Whitelam, S., 2011. Analyzing mechanisms and microscopic reversibility of self-assembly. *Journal of Chemical Physics*, 135 (21), 214505.

Hagan, M. F., Elrad, O. M. and Jack, R. L., 2011. Mechanisms of kinetic trapping in self-assembly and phase transformation. *Journal of Chemical Physics*, 135 (10), 104115.

Klotsa, D. and Jack, R. L., 2011. Predicting the self-assembly of a model colloidal crystal. *Soft Matter*, 7 (13), pp. 6294-6303.

Elmatad, Y. S., Jack, R. L., Chandler, D. and Garrahan, J. P., 2010. Finite-temperature critical point of a glass transition. *Proceedings of the National Academy of Sciences of the United States of America*, 107 (29), pp. 12793-12798.

van Duijvendijk, K., Jack, R. L. and van Wijland, F., 2010. Second-order dynamic transition in a p=2 spin-glass model. *Physical Review E*, 81 (1).

Sollich, P. and Jack, R. L., 2010. Duality symmetries in driven one-dimensional hopping models. *Progress of Theoretical Physics Supplement*, 184, pp. 200-210.

Jack, R. L. and Sollich, P., 2010. Large deviations and ensembles of trajectories in stochastic models. *Progress of Theoretical Physics Supplement*, 184, pp. 304-317.

Jack, R. L. and Garrahan, J. P., 2010. Metastable states and space-time phase transitions in a spin-glass model. *Physical Review E*, 81 (1).

Jack, R. L. and Sollich, P., 2009. Duality symmetries and effective dynamics in disordered hopping models. *Journal of Statistical Mechanics-Theory and Experiment*

Hedges, L. O., Jack, R. L., Garrahan, J. P. and Chandler, D., 2009. Dynamic order-disorder in atomistic models of structural glass formers. *Science*, 323 (5919), pp. 1309-1313.

Garrahan, J. P., Jack, R. L., Lecomte, V., Pitard, E., van Duijvendijk, K. and van Wijland, F., 2009. First-order dynamical phase transition in models of glasses: an approach based on ensembles of histories. *Journal of Physics A: Mathematical and Theoretical*, 42 (7), 075007.

Jack, R. L., Sollich, P. and Mayer, P., 2008. Subdiffusive motion in kinetically constrained models. *Physical Review E*, 78 (6), 061107.

Jack, R., Kelsey, D., Garrahan, J. and Chandler, D., 2008. Negative differential mobility of weakly driven particles in models of glass formers. *Physical Review E*, 78 (1), 011506.