Publications

2023

Schimming, C., Viñals, J. (2023). Kinematics and dynamics of disclination lines in three-dimensional nematics. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 479 (2273), [20230042].
DOI: 10.1098/rspa.2023.0042

2022

Skogvoll, V., Angheluta, L., Skaugen, A., Salvalaglio, M., Viñals, J. (2022). A phase field crystal theory of the kinematics of dislocation lines. Journal of the Mechanics and Physics of Solids. [104932].
DOI: 10.1016/j.jmps.2022.104932

Acharya, A., Angheluta, L., Viñals, J. (2022). Elasticity versus phase field driven motion in the phase field crystal model. Modelling and Simulation in Materials Science and Engineering. 30 (6), [064005].
DOI: 10.1088/1361-651X/ac860b

Schimming, C., Viñals, J. (2022). Equilibrium morphology of tactoids in elastically anisotropic nematics. Soft Matter. 18 (41), [8024-8033].
DOI: 10.1039/d2sm00323f

Schimming, C., Viñals, J. (2022). Singularity identification for the characterization of topology, geometry, and motion of nematic disclination lines. Soft Matter. 18 (11), [2234-2244].
DOI: 10.1039/d1sm01584b

2021

Skogvoll, V., Skaugen, A., Angheluta, L., Viñals, J. (2021). Dislocation nucleation in the phase-field crystal model. Physical Review B. 103 (1), [014107].
DOI: 10.1103/PhysRevB.103.014107

Schimming, C., Viñals, J., Walker, S.W. (2021). Numerical method for the equilibrium configurations of a Maier-Saupe bulk potential in a Q-tensor model of an anisotropic nematic liquid crystal. Journal of Computational Physics. [110441].
DOI: 10.1016/j.jcp.2021.110441

Vitral, E., Leo, P.H., Viñals, J. (2021). Phase-field model for a weakly compressible soft layered material: morphological transitions on smectic-isotropic interfaces. Soft Matter. 17 (25), [6140-6159].
DOI: 10.1039/d1sm00488c

2020

Salvalaglio, M., Angheluta, L., Huang, Z.F., Voigt, A., Elder, K.R., Viñals, J. (2020). A coarse-grained phase-field crystal model of plastic motion. Journal of the Mechanics and Physics of Solids. [103856].
DOI: 10.1016/j.jmps.2019.103856

Schimming, C., Viñals, J. (2020). Anisotropic disclination cores in nematic liquid crystals modeled by a self-consistent molecular field theory. Physical Review E. 102 (1), [010701].
DOI: 10.1103/PhysRevE.102.010701

Schimming, C.D., Viñals, J. (2020). Computational molecular field theory for nematic liquid crystals. Physical Review E. 101 (3), [032702].
DOI: 10.1103/PhysRevE.101.032702

Gaudreault, M., Drolet, F., Vinãls, J. (2020). Erratum: Bifurcation threshold of the delayed van der Pol oscillator under stochastic modulation [Phys. Rev. e 85, 056214 (2012)]. Physical Review E. 101 (2), [029901].
DOI: 10.1103/PhysRevE.101.029901

Acharya, A., Viñals, J. (2020). Field dislocation mechanics and phase field crystal models. Physical Review B. 102 (6), [064109].
DOI: 10.1103/PhysRevB.102.064109

Vitral, E., Leo, P.H., Vinãls, J. (2020). Model of the dynamics of an interface between a smectic phase and an isotropic phase of different density. Physical Review Fluids. 5 (7), [073302].
DOI: 10.1103/PhysRevFluids.5.073302

Vitral, E., Mukherjee, S., Leo, P.H., Viñals, J., Paul, M.R., Huang, Z.F. (2020). Spiral defect chaos in Rayleigh-Bénard convection: Asymptotic and numerical studies of azimuthal flows induced by rotating spirals. Physical Review Fluids. 5 (9), [093501].
DOI: 10.1103/PhysRevFluids.5.093501

2019

Vitral, E., Leo, P.H., Viñals, J. (2019). Role of Gaussian curvature on local equilibrium and dynamics of smectic-isotropic interfaces. Physical Review E. 100 (3), [032805].
DOI: 10.1103/PhysRevE.100.032805

2018

Conklin, C., Viñals, J., Valls, O.T. (2018). A connection between living liquid crystals and electrokinetic phenomena in nematic fluids. Soft Matter. 14 (22), [4641-4648].
DOI: 10.1039/c7sm02492d

Skaugen, A., Angheluta, L., Viñals, J. (2018). Dislocation dynamics and crystal plasticity in the phase-field crystal model. Physical Review B. 97 (5), [054113].
DOI: 10.1103/PhysRevB.97.054113

Conklin, C., Tovkach, O.M., Viñals, J., Calderer, M.C., Golovaty, D., Lavrentovich, O.D., Walkington, N.J. (2018). Electrokinetic effects in nematic suspensions: Single-particle electro-osmosis and interparticle interactions. Physical Review E. 98 (2), [022703].
DOI: 10.1103/PhysRevE.98.022703

Skaugen, A., Angheluta, L., Viñals, J. (2018). Separation of Elastic and Plastic Timescales in a Phase Field Crystal Model. Physical review letters. 121 (25), [255501].
DOI: 10.1103/PhysRevLett.121.255501

2017

Conklin, C., Viñals, J. (2017). Electrokinetic flows in liquid crystal thin films with fixed anchoring. Soft Matter. 13 (4), [725-739].
DOI: 10.1039/c6sm02393b

Paladugu, S., Conklin, C., Viñals, J., Lavrentovich, O.D. (2017). Nonlinear Electrophoresis of Colloids Controlled by Anisotropic Conductivity and Permittivity of Liquid-Crystalline Electrolyte. Physical Review Applied. 7 (3), [034033].
DOI: 10.1103/PhysRevApplied.7.034033

Tovkach, O.M., Conklin, C., Calderer, M.C., Golovaty, D., Lavrentovich, O.D., Viñals, J., Walkington, N.J. (2017). Q-tensor model for electrokinetics in nematic liquid crystals. Physical Review Fluids. 2 (5), [053302].
DOI: 10.1103/PhysRevFluids.2.053302

2016

Perreault, B., Viñals, J., Rickman, J.M. (2016). Impact of lattice rotation on dislocation motion. Physical Review B. 93 (1), [014107].
DOI: 10.1103/PhysRevB.93.014107

2015

Lavrentovich, O.D., Peng, C., Guo, Y., Shiyanovskii, S., Wei, Q., Vinals, J., Conklin, C. (2015). Liauid crystal enabled electrokinetics. In Annual Meeting of the American Electrophoresis Society 2015, AES 2015 - Topical Conference at the 2015 AIChE Annual Meeting. (161-171). (Annual Meeting of the American Electrophoresis Society 2015, AES 2015 - Topical Conference at the 2015 AIChE Annual Meeting.). AIChE.
 

Peng, C., Guo, Y., Conklin, C., Viñals, J., Shiyanovskii, S.V., Wei, Q.H., Lavrentovich, O.D. (2015). Liquid crystals with patterned molecular orientation as an electrolytic active medium. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 92 (5), [052502].
DOI: 10.1103/PhysRevE.92.052502

2013

Yoo, C.D., Viñals, J. (2013). The role of viscoelastic contrast in orientation selection of block copolymer lamellar phases under oscillatory shear. Soft Matter. 9 (32), [7817-7831].
DOI: 10.1039/c3sm00099k

2012

Yoo, C.D., Viñals, J. (2012). Anisotropic linear response in block copolymer lamellar phases. Macromolecules. 45 (11), [4848-4856].
DOI: 10.1021/ma300547y

Gaudreault, M., Drolet, F., Viñals, J. (2012). Bifurcation threshold of the delayed van der Pol oscillator under stochastic modulation. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 85 (5), [056214].
DOI: 10.1103/PhysRevE.85.056214

2011

Gaudreault, M., Berbert, J.M., Viñals, J. (2011). Correlation times in stochastic equations with delayed feedback and multiplicative noise. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 83 (1), [011903].
DOI: 10.1103/PhysRevE.83.011903

2010

Gaudreault, M., Drolet, F., Viñals, J. (2010). Analytical determination of the bifurcation thresholds in stochastic differential equations with delayed feedback. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 82 (5), [051124].
DOI: 10.1103/PhysRevE.82.051124

2009

Gaudreault, M., Viñals, J. (2009). Collapse transition of a hydrophobic self-avoiding random walk in a coarse-grained model solvent. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 80 (2), [021916].
DOI: 10.1103/PhysRevE.80.021916

Viñals, J. (2009). Defect dynamics in mesophases. Journal of the Physical Society of Japan. 78 (4), [041011].
DOI: 10.1143/JPSJ.78.041011

Gaudreault, M., Lépine, F., Viñals, J. (2009). Pitchfork and Hopf bifurcation thresholds in stochastic equations with delayed feedback. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 80 (6), [061920].
DOI: 10.1103/PhysRevE.80.061920

2008

Tamate, R., Yamada, K., Viñals, J., Ohta, T. (2008). Structural rheology of microphase separated diblock copolymers. Journal of the Physical Society of Japan. 77 (3), [034802].
DOI: 10.1143/JPSJ.77.034802

2007

Yeh, S.S., Hsueh, C., Chen, P., Viñals, J. (2007). Field-induced columnar structures in a quasi-two-dimensional system of dipolar particles. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 76 (5), [051407].
DOI: 10.1103/PhysRevE.76.051407

Huang, Z.F., Viñals, J. (2007). Grain boundary dynamics in stripe phases of nonpotential systems. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 75 (5), [056202].
DOI: 10.1103/PhysRevE.75.056202

Huang, Z.F., Viñals, J. (2007). Stability of parallel/perpendicular domain boundaries in lamellar block copolymers under oscillatory shear. Journal of Rheology. 51 (1), [99-123].
DOI: 10.1122/1.2399088

2006

Huang, Z.F., Viñals, J. (2006). Orientation selection in lamellar phases by oscillatory shears. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 73 (6), [060501].
DOI: 10.1103/PhysRevE.73.060501

2005

Huang, Z.F., Viñals, J. (2005). Tilt grain boundary instabilities in three-dimensional lamellar patterns. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 71 (3), [031501].
DOI: 10.1103/PhysRevE.71.031501

Rickman, J.M., Viñals, J., Lesar, R. (2005). Unified framework for dislocation-based defect energetics. Philosophical Magazine. 85 (9), [917-929].
DOI: 10.1080/14786430412331314618

2004

Vega, J.M., Rüdiger, S., Viñals, J. (2004). Phenomenological model of weakly damped Faraday waves and the associated mean flow. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 70 (4 2), [046306]. [046306-1-046306-18].
DOI: 10.1103/PhysRevE.70.046306

Huang, Z.F., Viñals, J. (2004). Shear-induced grain boundary motion for lamellar phases in the weakly nonlinear regime. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 69 (4), [041504].
DOI: 10.1103/PhysRevE.69.041504

2003

Huang, Z.F., Drolet, F., Viñals, J. (2003). Motion of a transverse/parallel grain boundary in a block copolymer under oscillatory shear flow. Macromolecules. 36 (25), [9622-9630].
DOI: 10.1021/ma034083q

2002

Boyer, D., Viñals, J. (2002). Grain boundary pinning and glassy dynamics in stripe phases. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 65 (4), [046119]. [046119/1-046119/12].
DOI: 10.1103/PhysRevE.65.046119

Chen, P., Viñals, J. (2002). Lamellar phase stability in diblock copolymers under oscillatory shear flows. Macromolecules. 35 (10), [4183-4192].
DOI: 10.1021/ma011586s

Mullins, W.W., Viñals, J. (2002). Linear bubble model of abnormal grain growth. Acta Materialia. 50 (11), [2945-2954].
DOI: 10.1016/S1359-6454(02)00121-0

Viñals, J., Kolinski, A., Skolnick, J. (2002). Numerical study of the entropy loss of dimerization and the folding thermodynamics of the GCN4 leucine zipper. Biophysical journal. 83 (5), [2801-2811].
DOI: 10.1016/S0006-3495(02)75289-2

Boyer, D., Viñals, J. (2002). Weakly nonlinear theory of grain boundary motion in patterns with crystalline symmetry. Physical review letters. 89 (5), [055501]. [055501/1-055501/4].
DOI: 10.1103/PhysRevLett.89.055501

2001

Drolet, F., Viñals, J. (2001). Adiabatic elimination and reduced probability distribution functions in spatially extended systems with a fluctuating control parameter. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 64 (2), [026120]. [261201-261208].
DOI: 10.1103/PhysRevE.64.026120