Yuri Martínez Ratón
Grupo Interdisciplinar de Sistemas Complejos (GISC) Departamento de Matemáticas
Universidad Carlos III de Madrid
Scientific research lines in Soft Matter Physics: Theoretical models from Statistical Mechanics such as Classical Density Functional Theory to study complex fluids (liquid crystals, colloidal mixtures and granular matter).
Liquid crystal patterns (The spring festival. Yuan Sheng, March 2018) and topological defects in monolayer of granular rods:
Contact: Yuri Martínez Ratón (Associate Professor). Address: Departamento de Matemáticas. Universidad Carlos III de Madrid, 28911, Leganés, Madrid, Spain. Office: 2.2.D03. Telephone: +34 916248383
Scientific Publications
Density-functional theory for clustering of two-dimensional hard particle fluids, Y. Martínez-Ratón and E. Velasco, J. Mol. Liq. 397, 124004 (2024). arXiv:2312.04434
Prediction of the liquid-crystal phase behavior of hard right triangles from fourth-virial density-functional theories, E. Velasco and Y. Martínez-Ratón, Phys. Rev. E 108, 014603 (2023). arXiv:2305.08545
Exotic liquid crystalline phases in monolayers of vertically vibrated granular particles, Y. Martínez-Ratón and E. Velasco, Liq. Cryst. 50, 1261 (2023). arXiv:2211.08966
Effect of combined roundness and polydispersity on the phase behavior of hard-rectangle fluids, Y. Martínez-Ratón and E. Velasco, Phys. Rev. E 106, 034602 (2022). arXiv:2207.09173
Effect of clustering on the orientational properties of fluid of hard right isosceles triangles, Y. Martínez-Ratón and E. Velasco, Phys. Fluids 34, 03710 (2022). arXiv:2201.05525
Failure of standard density functional theory to describe the phase behavior of a fluid of hard right isosceles triangles, Y. Martínez-Ratón and E. Velasco, Phys. Rev. E 104, 054132 (2021). arXiv:2111.06309
Orientational ordering in a fluid of hard kites: A density-functional theory study, Y. Martínez-Ratón and E. Velasco, Phys. Rev. E 102, 052128 (2020). arXiv:2010.03328
Domain walls in vertically vibrated monolayers of cylinders confined in annuli, A. Díaz-De Armas, M. Maza-Cuello, Y. Martínez-Ratón and E. Velasco, Phys. Rev. Research 2, 033436 (2020). arXiv:2001.08097
Highly confined mixtures of parallel hard squares: A density-functional-theory study, Y. Martínez-Ratón and E. Velasco, Phys. Rev. E 100, 062604 (2019). arXiv:1910.09506
Defects in vertically vibrated monolayers of cylinders, M. González-Pinto, J. Renner, D. de las Heras, Y. Martínez-Ratón and E. Velasco, New J. Phys. 21, 033002 (2019). arXiv:1901.08882
Positional ordering of hard adsorbate particles in tubular nanopores, P. Gurin, S. Varga, Y. Martínez-Ratón, and E. Velasco, Phys. Rev. E 97, 052606 (2018). arXiv:1803.05989
Uniform phases in fluids of hard isosceles triangles: one-component fluid and binary mixtures, Y. Martínez-Ratón, A. Díaz-De Armas and E. Velasco, Phys. Rev. E 97, 052703 (2018). arXiv:1803.04918
Dynamical properties of heterogeneous nucleation of parallel hard squares, M. González-Pinto, Y. Martínez-Ratón and E. Velasco, Soft Matter 13, 9246 (2017). arXiv:1708.00808
Role of length-polydispersity in the phase behavior of freely-rotating hard-rectangle fluids, A. Díaz-De Armas and Y. Martínez-Ratón, Phys. Rev. E 95, 052702 (2017). arXiv:1702.01993
Ordering of hard rectangles in strong confinement, P. Gurin, S. Varga, M. González-Pinto, Y. Martínez-Ratón, and E. Velasco, J. Chem. Phys. 146, 134503 (2017). arXiv:1702.07217
Clustering in vibrated monolayers of granular rods, M. González-Pinto, F. Borondo, Y. Martínez-Ratón, and E. Velasco, Soft Matter 13, 2571 (2017). arXiv:1701.05154
Biaxial nematic phase stability and demixing behavior in monolayers of rod-plate mixtures, Y. Martínez-Ratón, M. González-Pinto, and E. Velasco, PCCP 18, 24569 (2016). arXiv:1607.06851
Phase behavior and correlations of parallel hard squares: From highly confined to bulk systems, M. González-Pinto, Y. Martínez-Ratón, S. Varga, P. Gurin, and E. Velasco, J. Phys.: Condens. Matter 28, 244002 (2016). arXiv:1512.08154
Effect of orientational restriction on monolayers of hard ellipsoids, S. Varga, Y. Martínez-Ratón, E. Velasco, G. Bautista-Carbajal, and G. Odriozola, PCCP 18, 4547 (2016). arXiv:1509.07810
Capillary and winding transitions in a confined cholesteric liquid crystal, D. de las Heras, E. Velasco, and Y. Martínez-Ratón, Soft Matter 11, 7038 (2015). arXiv:1505.00533
Effect of shape biaxiality on the phase behavior of liquid-crystal monolayers, M. González-Pinto, Y. Martínez-Ratón, E. Velasco, and S. Varga, PCCP 17, 6389 (2015). arXiv:1410.6608
Hard-body models of bulk liquid crystals, L. Mederos, E. Velasco, and Y. Martínez-Ratón, J. Phys. Condens. Matter 26, 463101 (2014). arXiv:1408.1048
Phase behavior of liquid-crystal monolayers of rod-like and plate-like particles, Y. Martínez-Ratón, S. Varga, and E. Velasco, J. Chem. Phys. 140, 204906 (2014). arXiv:1403.3372
Interplay between columnar and smectic stability in suspensions of polydisperse colloidal platelets, E. Velasco and Y. Martínez-Ratón, PCCP 16, 765 (2014). arXiv:1309.0688
Hard rods in a cylindrical pore: the nematic-to-smectic phase transition, S. Varga, Y. Martínez-Ratón, and E. Velasco, J. Phys.: Condens. Matter 26, 075104 (2014). arXiv:1308.1927
Liquid-crystal patterns of rectangular particles in a square nanocavity, M. González-Pinto, Y. Martínez-Ratón, and E. Velasco, Phys. Rev. E 88, 032506 (2013). arXiv:1307.2469
Dimensional cross-over of hard parallel cylinders confined on cylindrical surfaces, Y. Martínez-Ratón and E. Velasco, Phys. Rev. E 87, 052314 (2013). arXiv:1305.4257
Two-dimensional nematics in bulk and confined geometries, D. de las Heras, Y. Martínez-Ratón, L. Mederos, and E. Velasco, J. Mol. Liq. 185, 13 (2013). arXiv:1207.3256
Effect of polydispersity, bimodality and aspect ratio on the phase behavior of colloidal platelet suspensions, Y. Martínez-Ratón and E. Velasco, J. Chem. Phys. 137, 134906 (2012). arXiv:1207.2919
Biaxial nematic phases in fluids of hard board-like particles, Y. Martínez-Ratón, S. Varga, and E. Velasco, PCCP 13, 13247 (2011). arXiv:1103.0391
Phase behavior of mixtures of hard ellipses: a scaled particle density functional theory, Y. Martínez-Ratón, Liq. Cryst. 38, 697 (2011). arXiv:1104.1386
Effect of polydispersity and soft interactions on the nematic versus smectic stability in platelet suspensions, Y. Martínez-Ratón and E. Velasco, J. Chem. Phys. 134, 124904 (2011). arXiv:1102.1876
Fluid-fluid versus fluid-solid demixing in mixtures of parallel hard hypercubes, L. Lafuente and Y. Martínez-Ratón, J. Stat. Mech. Theory Exp. P02010 (2011). arXiv:1007.4930
Theory and simulation of the confined Lebwohl-Lasher model, R. G. Marguta, Y. Martínez-Ratón, N. G. Almarza, and E. Velasco, Phys. Rev. E 83, 041701 (2011). arXiv:1007.0362
Phase transitions in nanoconfined binary mixtures of highly oriented colloidal rods, D. de las Heras, Y. Martínez-Ratón, and E. Velasco, PCCP 12, 10831 (2010). arXiv.1005.0345
Competition between capillarity, layering and biaxiality in a confined liquid crystal, S. Varga, Y. Martínez-Ratón, and E. Velasco, Eur. Phys. J. E 32, 89 (2010). arXiv:1004.5056
Surface and smectic layering transitions in binary mixtures of parallel hard rods, D. de las Heras, Y. Martínez-Ratón, and E. Velasco, Phys. Rev. E 81, 021706 (2010). arXiv1002.0512
Stable smectic phase in suspensions of polydisperse colloidal platelets with identical thickness, D. Sun, H.-J. Sue, Z. Cheng, Y. Martínez-Ratón, and E. Velasco, Phys. Rev. E 80, 041704 (2009). arXiv:0909.2625
Smectic and columnar ordering in length-polydisperse fluids of parallel hard cylinders, Y. Martínez-Ratón and J. A. Cuesta, Mol. Phys. 107, 415 (2009). arXiv:0905.4423
Enhanced stability of the tetratic phase due to clustering, Y. Martínez-Ratón and E. Velasco, Phys. Rev. E 79, 011711 (2009). arXiv:0809.4200
Novel symmetries and clustering effects in two-dimensional anisotropic fluids, E. Velasco and Y. Martínez-Ratón, Modeling and simulation of new materials: Tenth Granada Lectures, J. Marro, P. L. Garrido and P. I. Hurtado (eds.), AIP. Conf. Proc. 1091, 237 (2009).
Biaxial nematic and smectic phases of parallel particles with different cross sections, Y. Martínez-Ratón, S. Varga, and E. Velasco, Phys. Rev. E 78, 031705 (2008). arXiv:0806.2806
Non-uniform liquid-crystalline phases of parallel hard particles with different cross sections, Y. Martínez-Ratón and E. Velasco, J. Chem. Phys. 129, 054907 (2008). arXiv:0802.3867
Phase behavior of parallel hard cylinders, J. A. Capitán, Y. Martínez-Ratón, and J. A. Cuesta, J. Chem. Phys. 129, 194901 (2008). arXiv:0804.0189
Fundamental-measure density functional for mixtures of parallel hard cylinders, Y. Martínez-Ratón, J. A. Capitán, and J. A. Cuesta, Phys. Rev. E 77, 051205 (2008). arXiv:0803.2033
Density functional theories of hard particle systems, P. Tarazona, J. A. Cuesta, and Y. Martínez-Ratón, in Theory and simulation of hard-sphere fluids and related systems, Lecture Notes in Physics, Heidelberg, Vol 753, 247 (2008).
Large attractive depletion interactions in soft repulsive-sphere binary mixtures, G. Cinacchi, Y. Martínez-Ratón, L. Mederos, G. Navascués, A. Tani, and E. Velasco, J. Chem. Phys. 127, 214501 (2007). arXiv:0706.1633
Demixing and orientational ordering in mixtures of rectangular particles, D. de las Heras, Y. Martínez-Ratón, and E. Velasco, Phys. Rev. E 76, 031704 (2007). arXiv:0705.0868
Binary mixtures of hard rods: a short account, G. Cinacchi, Y. Martínez-Ratón, E. Velasco, and L. Mederos, Molec. Cryst. Liq. Cryst. 465, 121 (2007).
Capillary ordering and layering transitions in two-dimensional hard-rod fluids, Y. Martínez-Ratón, Phys. Rev. E 75, 051708 (2007). arXiv:0704.1467
Depletion effects in smectic phases of hard-rod--hard sphere mixtures, G. Cinacchi, Y. Martínez-Ratón, E. Velasco, and L. Mederos, Eur. Phys. J. E 21, 175 (2006). arXiv:0704.1140
Smectic, nematic and isotropic phases in binary mixtures of thin and thick spherocylinders, G. Cinacchi, Y. Martínez-Ratón, E. Velasco, and L. Mederos, J. Chem. Phys. 124, 234904 (2006).
Orientational ordering in hard rectangles: the role of three-body correlations, Y. Martínez-Ratón, E. Velasco, and L. Mederos, J. Chem. Phys. 125, 014501 (2006). arXiv:0605238
Stability of smectic phases in hard-rod mixtures, Y. Martínez-Ratón, E. Velasco, and L. Mderos, J. Chem. Phys. 123, 104906 (2005). arXiv:0509216
Demixing behaviour in two-dimensional mixtures of anisotropic hard bodies, Y. Martínez-Ratón, E. Velasco, and L. Mederos, Phys. Rev. E 72, 031703 (2005). arXiv:0509213
Effect of particle geometry on phase transitions in two-dimensional liquid crystals, Y. Martínez-Ratón, E. Velasco, and L. Mederos, J. Chem. Phys. 122, 064903 (2005). arXiv:0411584
Bulk inhomogeneous phases of anisotropic particles: A fundamental measure functional study of the restricted orientations model, Y. Martínez-Ratón, Phys. Rev. E 69, 06712 (2004). arXiv:0311631
Phase diagrams of Zwanzig model: The effect of polydispersity, Y. Martínez-Ratón and J. A. Cuesta, J. Chem. Phys. 118, 10164 (2003). arXiv:0302446
Surface phase transitions in polydisperse hard rod fluids, Y. Martínez-Ratón, arXiv:cond-mat/0212333 (2003).
Close to the edge of fundamental measure theory: a density functional for hard sphere mixtures, J. A. Cuesta, Y. Martínez-Ratón, and P. Tarazona, J. Phys.: Condens. Matter 14, 11965 (2002). arXiv:0205256
Enhancement by polydispersity of the biaxial nematic phase in a mixture of hard rods and plates, Y. Martínez-Ratón and J. A. Cuesta, Phys. Rev. Lett. 89, 185701 (2002). arXiv:0206576
Phase behaviour of very asymmetric mixtures, J. A. Cuesta and Y. Martínez-Ratón, J. Phys.: Condens. Matter 12, A109 (2000).
A density functional approach to depletion interaction, J. A. Cuesta and Y. Martínez-Ratón, J. Phys.: Condens. Matter 11, 10107 (1999).
Nematic to Smectic: a "hard" transition, Y. Martínez-Ratón, J. A. Cuesta, R. va Roij, and B. Mulder, in New Approaches to Problems in Liquid State Theory, Kluwer Academic Publishers, C. Caccamo, J.-P. Hansel and G. Stell (eds.), Vol 529, 139 (1999).
Fundamental measure theory for mixtures of parallel hard cubes. II. Phase behaviour of one-component fluid and of the binary mixture, Y. Martínez-Ratón and J. A. Cuesta, J. Chem. Phys. 111, 317 (1999). arXiv:9809376
Phase behaviour of additive binary mixtures in the limit of infinite asymmetry, Y. Martínez-Ratón and J. A. Cuesta, Phys. Rev. E 58, R4080 (1998). arXiv:9804225
Theoretical study of the anomalous surface tension properties of liquid crystals, Y. Martínez-Ratón, A. M. Somoza, L. Mederos, E. Velasco, and T. L. Sluckin, J. Chem. Phys. 108, 2583 (1998).
Fundamental measure theory for mixtures of parallel hard cubes. I. General formalism, J. A. Cuesta and Y. Martínez-Ratón, J. Chem. Phys. 107, 6379 (1997).
Dimensional cross-over of the fundamental-measure functional for parallel hard cubes, J. A. Cuesta and Y. Martínez-Ratón, Phys. Rev. Lett. 78, 3684 (1997). arXiv:9701124
Surface enhanced ordering and layer-thinning transitions in freely suspended smectic-A films, Y. Martínez-Ratón, A. M. Somoza, L. Mederos, and D. E. Sullivan, Phys. Rev. E 55, 2030 (1997).
Layer-thinning transitions in freely suspended smectic-A films, A. M. Somoza, Y. Martínez-Ratón, L. Mederos, and D. E. Sullivan, J. Phys.: Condens. Matter 8, 9434 (1996).
Smectic-A ordering in liquid-crystal films, Y. Martínez-Ratón, A. M. Somoza, L. Mederos, and D.E. Sullivan, Farady Discuss. 104, 111 (1996).
Metastability of freely suspended liquid-crystal films, Y. Martínez, A. M. Somoza, L. Mederos, and D. E. Sullivan, Phys. Rev. E 53, 2466 (1996).