Prof. Dr. Ernesto Estevez Rams

Profile

Academic positionFull Professor
Research fieldsStatistical Physics, Soft Matter, Biological Physics, Nonlinear Dynamics,Mineralogy, Crystallography
Keywordsneural networks, chaos, complex systems, nonlinear oscillators, computation at the edge of chaos
Honours and awards

2023: Cuban Academy of Science Annual Award

Current contact address

CountryCuba
CityLa Habana
InstitutionUniversidad de la Habana
InstituteDepartamento de Fisica Teorica
Homepagefisica.uh.cu

Host during sponsorship

Prof. Dr.-Ing. Hartmut FueßFachgebiet Strukturforschung, Technische Universität Darmstadt, Darmstadt
Prof. Dr. Eric J. MittemeijerAbeilung Mittemeijer, Max-Planck-Institut für Intelligente Systeme, Stuttgart
Prof. Dr. Reinhard NederLehrstuhl für Kristallographie und Strukturphysik, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen
Prof. Dr. Wolfgang DonnerInstitut für Materialwissenschaft, Technische Universität Darmstadt, Darmstadt
Prof. Dr. Jan Gerrit KorvinkInstitut für Mikrostrukturtechnik (IMT), Karlsruher Institut für Technologie (KIT), Eggenstein-Leopoldshafen
Start of initial sponsorship01/03/2002

Programme(s)

2001Humboldt Research Fellowship Programme

Publications (partial selection)

2023K. Garcı́a Medina, E. Estevez-Rams: Behavior of circular chains of nonlinear oscillators with Kuramoto-like local coupling. In: AIP Advances, 13, 2023, 035222
2023D. Estevez-Moya, E. Estevez-Rams, H. Kantz: Complexity and transition to chaos in coupled Adler-type oscillators. In: Physical Review E, 107, 2023, 004212
2022A. Mesa-Rodrı́guez, A. Gonzalez, E. Estevez-Rams, P. A. Valdes- Sosa: Cancer Segmentation by Entropic Analysis of Ordered Gene Expression Profiles. In: Entropy, 24, 2022, 1744
2022K. Garcı́a Medina, D. Estévez Moya, E. Estevez-Rams: Damage spreading and information distance in cellular automata. In: Revista Cubana de Fı́sica, 39, 2022, 90
2021J.C.Araújo, W.A.Iwamoto, A.F.G.Monte, Jader S.Cabral, AndreaAn- tunes, O.Breener, E.Estevez-Rams, R.Lora-Serrano: A microstructure study of colloidal gold nanoparticles by X-ray diffrac- tion line profile analysis. In: Journal of Physics and Chemistry of Solids, 150, 2021, 109884
2020K. Garcia-Medina, D. Estevez-Moya, E. Estevez-Rams: Stability and transition in continuosly deformed cellular automata. In: R. Cubana de Fisica, 37, 2020, 16
2019E. Estevez-Rams, A. Mesa-Rodriguez, D. Estevez-Moya: Complexity-entropy analysis at different levels of organisation in written language. In: PLOS, 2019, e0214863
2019{E. Estevez-Rams, D. Estevez-Moya, K. Garcia-Medina, and R. Lora-Serrano: Computational capabilities at the edge of chaos for one dimensional systems undergoing continuous transitions. In: Chaos, 2019, 043105
2018E. Estevez-Rams, D. Estevez-Moya and B. Aragon-Fernandez: Phenomenology of coupled nonlinear oscillators. In: Chaos, 2018, 023110-023121
2017 E. Rodriguez-Horta E. Estevez-Rams, R. Lora-Serrano, Reinhard Neder: Close packed structure dynamics with finite range interaction: computational mechanics with individual layer interaction. In: Acta Crystallographica A, 2017, 377-386
2017E. Rodriguez-Horta E. Estevez-Rams, Reinhard Neder, R. Lora-Serrano: Close-packed structures with finite-range interaction: computational mechanics of layer pair interaction. In: Acta Crystallographica, 2017, 357-369
2017E. Estevez-Rams, R. Lora-Serrano, A. Penton Madrigal, M. Nespolo: Extrinsic faulting in 3C close-packed crystal structures: computational mechanics analysis. In: Acta Crystallographica A, 2017, 449-459
2017E. Estevez-Rams, D. Estevez-Moya, Y. Martinez Camejo, D. Gomez-Gomez, Beatriz Aragon-Fernandez: Hilbert curves in two dimensions. In: Rev. Cuba. Fis., 2017, 9-18
2016E. Rodriguez-Horta, E. Estevez-Rams, R. Lora-Serrano, B. Aragon Fernandez: Correlated biased random walk with latency in one and two dimensions: Asserting patterned and unpredictable movement. In: Physica A, 2016, 303-312
2016R. Lora-Serrano, D.J. Garcia, D. Betancourth, R.P. Amaral, N.S. Camilo, E. Estevez-Rams, L.A. Ortellado G.Z., P.G. Pagliuso: Dilution effects in spin 7/2 systems. The case of the antiferromagnet GdRhIn5. In: Journal of Magn. Magn. Mat., 2016, 304-310
2015E. Estevez-Rams, R. Lora-Serrano, C. A. J. Nunes, and B. Arag\'on-Fernandez: Lempel-Ziv complexity analysis of one dimensional cellular automata. In: Chaos, 2015, 123106-123116
2015Arbelio Penton-Madrigal, Ernesto Estevez-Rams, Cristy Azanza-Ricardo, Raymundo Lora Serrano: The reordering transition in layer disordered solids: rare earth-transition metal intermetallics alloys. In: Revista Cubana de Fisica, 2015, 74-79
2015E. Estevez-Rams, C. Perez-Demydenko, Aragon Fernandez, R. Lora-Serrano: Visualizing long vectors of measurements by use of the Hilbert curve. In: Computer Physics Communications, 2015, 118-127
2014C. Perez-Demydenko, I. Brito-Reyes, B. Aragon Fernandez, E. Estevez-Rams: The complete set of homogeneous Hilbert curves in two dimensions. In: Applied Mathematics and Computation, 2014, 531-542
2013A. Penton-Madrigal, E. Estevez-Rams, E. Reguera, J. Rodriguez- Hernandez, B. Concepcion-Rosabal, Y. Garcia-Basabe, R. Garcia- Fernandez, A Talaverad, E Moreno: A decade of Cuban presence in synchrotron light source facilities. In: Rev. Cub. Fis, 2013, 36-41
2013A. Penton-Madrigal, L.A.S. de Oliveira, J.P. Sinnecker, D.M. Souza, R. Grossinger, B. Concepcion-Rosabal, E. Estevez-Rams, S. Diaz-Castanon: Coercivity behavior in Gd(Co,Cu) system as function of the microstructure evolution. In: Physica B, 2013, 67-71
2013A. Penton-Madrigal, L.A.S. de Oliveira, J.P. Sinnecker, D.M. Souza, R. Grossinger, B. Concepcion-Rosabal, E. Estevez-Rams, S. Diaz-Castanon: Coercivity behavior in Gd(Co,Cu) system as function of the microstructure evolution.. In: Physica B, 2013, 67-71
2013E. Estevez-Rams, R. Lora Serrano, B. Aragon Fernandez, I. Brito Reyes: On the non-randomness of maximum Lempel Ziv complexity sequences of finite size. In: Chaos, 2013, 23118-23124
2011. de Oliveira L. A. S.; Sinnecker J. P.; Groessinger R., A. Penton-Madrigal, E. Estevez-Rams: Cu induced coercivity enhancement in the low viscosity GdCo5-xCux system. In: J. Magn. Mag. Mat., 2011, 1890-1894
2010E. Estevez-Rams, H. Leon: Magnetic patterns in dipolar films with close packed structures. . In: J. Magn. Mag. Mat., 2010, 2874-2881
2009. H. León, E. Estevez-Rams: Dipolar local field in homogeneously magnetized quasi-two-dimensional crystals. In: J. Phys. D: Appl. Phys., 2009, 185012
2009Estevez-Rams, A. Pentón Madrigal, J. Fidler: Estudio microestructural por microscopía electrónica de transmisión de materiales magnéticos nanocristalinos. . In: Rev. Cub. Física, 2009, 71-75
2009H. Leon, E. Estevez-Rams: Magnetic dipolar interaction in ultrathin films: Structural and size effects. In: J. Magn. Magn. Mat., 2009, 2150-2159
2009 E. Estevez-Rams, R. González-Férez: On the concept of long range order in solids: the use of algorithmic complexity. In: Z. Kristallogr., 2009, 179-184
2008B. Concepción Rosabal, A. Pentón Madrigal, E. Estevez-Rams, N. Bogdanchikova, M. Avalos-Borja: Estudio de la distribución de nanocristales de Ag en clinoptilolita natural. In: Rev. Cub. Física, 2008, 136-141
2008E. Estevez-Rams, U. Welzel, A. Penton Madrigal, E. J. Mittemeijer: Stacking and twin faults in close-packed crystal structures: exact description of random faulting statistics for the full range of faulting probabilities. In: Acta Cryst. A, 2008, 537-548
2008. E. Estevez-Rams, J. Martinez-Mojicar: The symmetry of HK codes representing close-packed structures and the efficient generation of non-equivalent polytypes of a given length. In: Acta Cryst. A, 2008, 529-536
2007A. Penton, E. Estevez, R. Lora, J. H. Espina-Hernandez, R. Grossinger, R. S. Turtelli, A. Valor-Reed : On the nature of the disordered microstructure in Sm(Co,Cu)(5) alloys with increasing Cu content . In: J. Alloy and Comp., 2007, 343-347
2007J. H. Espina, R. Groessinger, J. C. Martinez-Garcia, E. Estevez-Rams: A new system for local area measurements in a pulsed field magnetometer. In: Meas. Sci. and Tech., 2007, 893-900
2007R. Sato Turtelli, J.P. Sinnecker, R. Groessinger, A. Penton-Madrigal, E. Estevez-Rams : Magnetic orderings and temperature dependence of the hysteresis loops of Nb1-xFe2+x . In: J. Magn. Mag. Mat., 2007, e492-e495
2007E. Estevez-Rams, H. Leon: Magnetostatic interaction in layered dipolar system with homogeneous magnetization. In: J. Magn. Magn. Mat., 2007, 246-249
2007E. Estevez-Rams, M. Leoni, A. Penton Madrigal, P. Scardi: Powder diffraction characterization of stacking disorder. In: Zeit. f. Kristallographie, 2007, 99-104
2006R. Sato Turtelli, T. Kenicky, A. Penton Madrigal, R. Grossinger, I. Skorvanek, H. Sassik,E. Estevez-Rams, M Schonhart, and C. F. Barbatti : Magnetic and structural characterization of as-cast and annealed melt spun Fe80-x,Si20Crx . In: J. Magn. Mag. Mat, 2006, e687-e690
2006M. G. M. Miranda, A. T. da Rosa, R. Hinrichs, U. Golla-Schindler, A. B. Antunes, G. Martinez, E. Estevez-Rams, M. N. Baibich : Spinodal decomposition and giant magnetoresistance. In: Phys. B, 2006, 175-178
2006R. Sato Turtelli, J. P. Sinneker, A. Penton Madrigal, R. Grossinger, I. Skorvanek, T. Krenicky E. Estevez-Rams : An unusual temperature dependence of the coercive field in the melt spun Fe80-xSi20Nbx (x=12, 20) . In: J. Magn. Mag. Mat, 304 (2006), e690-e692., 2006, e690-e692
2006R. Sat, R. Grroesinger, H. Bertorello, J. M. Broto, H. A. Davies, E. Estevez-Rams, J. Gonzalez, J. Matutes, J. P. Sinnecker, V. Sagredo: High magnetic field facilities in Latin America. In: J. Phys.: Conference Series, 2006, 627-630
2006R. Sato Turtelli, J. P.Sinnecker, R. Grossinger, E. Wissenger, E. de Morais, A. Penton Madrigal, E. Estevez-Rams : Magnetic and structural characterization of as-cast and annealed melt spun Fe80-x,Si20Crx . In: Physics B: Condensed Matter, 2006, 303-305
2006R. Sato Turtelli, J. P.Sinnecker, R. Grossinger, E. Wissenger, E. de Morais, A. Penton Madrigal, E. Estevez-Rams: Magnetic transitions in melt-spun nanocrystalline Fe-Si-Nb alloys. In: Physics B: Condensed Matter, 2006, 303-305
2005Ernesto Estevez-Rams, Cristy Azanza Ricardo, Beatriz Aragon Fernandez: An alternative expression for counting the number of close-packed polytypes. In: Z. Kristallogr., 2005, 592-595
2005R. Sato Turtelli, A. Penton-Madrigal, C.F. Barbatti, R. Grössinger, H. Sassik, E. Estevez-Rams, R.S. Sarthour, E.H.C.P. Sinnecker and A.P. Guimarães: Effect of the addition of Cr, Ta and Nb on structural and magnetic properties of Fe-Si alloys.. In: J. of Mag. and Magn. Mat., 2005, e151-e154
2005Ernesto Estevez-Rams, Cristy Azanza-Ricardo, Jorge Martinez Garcia, Beatriz Aragon-Fernandez: On the algebra of binary codes representing close-packed stacking sequences. In: Acta Cryst. A, 2005, 201-208
2005A. Kuznetsov, V. Dmitriev, F. Langenhorst, E. Estevez-Rams and L. Dubrovinsky: Stacking faults and internal strains in DHCP phase of La. In: Acta Cryst. A, 2005, C451
2005A. Penton Madrigal, R. Sato Turtelli, E. Estevez-Rams, R. Grossinger: Structural Evolution with Nb Content in Melt-Spun Fe80-xSi20Nbx ribbons. In: J. of Alloy and Comp., 2005, 63-67
2005E. Estevez-Rams, A. Penton, J. Martinez-Garcia, H. Fuess: The use of Analytical Peak Profile Functions to Fit Diffraction Data of Planar Faulted Layer Crystals. In: Crystal Research and Technology, 2005, 166-176
2004M. G. M. Miranda, A. T. da Rosa, M. N. Baibich, Estevez-Rams E., G. Martinez: Nanoscopic transformations and GMR in bulk non-equilibrium Cu-Co alloys. In: Physica B-Condensed Matter, 2004, 88-91
2004Espina-Hernandez J. H., Grossinger R., Kato S., Hauser H., Estevez-Rams E.: New sensors for measuring M and H in high magnetic fields. In: Physica B-Condensed Matter, 2004, 543-547
2003Ernesto Estevez-Rams, B. Aragon-Fernandez, H. Fuess, A. Penton-Madrigal: Diffraction patterns of stacked layer crystals. In: Phys. Rev. B, 2003, 64111-64123
2003Ernesto Estevez-Rams, J. Martinez-Garcia, J. Martinez-Garcia, J. Hiram-Espina, H. Fuess: Dipolar field and energy anisotropy in thin films. In: Phys. Rev. B,, 2003, 184410-184418
2003Ernesto Estevez-Rams, M. Leoni, B. Aragon-Fernandez, P. Scardi, H. Fuess: On the powder diffraction pattern of crystals with stacking faults. In: Philosophical Magazine, 2003, 4045-4057
2003M. G. M. Miranda, E. Estevez-Rams, G. Martinez, M. N. Baibich: Phase separation in Cu_{90}Co_{10} high-magnetoresistance materials. In: Phys. Rev. B, 2003, 14434-14442
2002R. Lora Serrano, E. Estevez-Rams, A. Penton-Madrigal, J. Fidler, R. Grossinger, J. C. Tellez: Planar Faulting in Rare Earth-Co 2:17 Alloys. In: Solid State Communication, 2002, 105-109
2002E. Estevez-Rams, R. Lora-Serrano, A. Penton-Madrigal and H. Fuess Quantitative analysis of planar faulting. In: Acta Cryst. A, 2002, C233
2002M. G. M. Miranda, E. Estevez-Rams, G. Martinez, M. N. Baibich: Segregation dynamics in annealed CoCu ribbons: spinodal decomposition and giant magnetoresistance. In: Physica B, 2002, 139-142
2001Ernesto Estevez-Rams, A. Penton-Madrigal, R. Lora-Serrano, J. Martinez-Garcia: Direct Determination of Microstructural Parameters From the X-ray Diffraction Profile of a Crystal with Stacking Faults. In: Journal of Applied Crystallography, 2001, 730-736
2001Ernesto Estevez-Rams, J. Martinez-Garcia, A. Penton Madrigal, R. Lora Serrano: Direct Solution of the Diffraction Pattern of a Crystal with Planar Faulting. In: Phys. Rev. B, 2001, 54109-54118
2001R. Martinez Garcia, E. Reguera Ruiz, E. Estevez-Rams, R. Martinez-Sanchez: Effect of Precursor Milling on Magnetic and Structural Properties of $BaFe_{12}O_{19}$ M-Ferrite. In: Journal of Magnetism and Magnetic Materials, 2001, 133-137
2000A. J. Batista-Leyva, R. Cobas, E. Estevez-Rams, M. T. D. Orlando, C. Noda y E. Altshuler: Hysterisis of the Critical Current Density in YBCO, HBCCO and BSCCO Superconducting Polycrystals: A Comparative Stud. In: Physica C, 2000, 57-66
2000Tellez-Blanco JC, Grossinger R, Turtelli RS,E. Estevez-Rams: Magnetic and structural properties of YCo_{5-x}Cu_{x}. In: IEEE Transactions on Magnetics, 2000, 3333-3335
2000R. Martinez Garcia, E. Reguera Ruiz, E. Estevez-Rams: Structural Characterization of Low Temperature Synthesized SrFe_{12}O_{19}. In: Material Letters, 2000, 183-187
2000Ernesto Estevez-Rams, R. Martinez Garcia, E. Reguera, H. Montiel Sanchez, H. Y. Madeira: Structural Transformation With Milling on Sol-Gel Precursor for BaM Hexaferrite. In: Journal of Physics D: Applied Physics, 2000, 2708-2715