Ara mostrant els elements 81-100 de 115

    Mapping biophysics through enhanced Monte Carlo techniques 

    Cabeza de Vaca López, Israel (Data de defensa: 2015-12-16)

    This thesis is focused on the study of molecular interactions at the atomistic detail and is divided into one introductory chapter and four chapters referencing different problems and methodological approaches. All of them ...

    Experimental and numerical study of the symbolic dynamics of modulated semiconductor lasers with optical feedback 

    Torrentino, Taciano (Data de defensa: 2015-07-10)

    The goal of this thesis is to investigate the influence of current modulation in the dynamics of the low-frequency fluctuations (LFF) regime induced by optical feedback in semiconductor lasers. In this regime the laser ...

    Dynamics of metallic glasses explored by mechanical relaxation 

    Liu, Chaoren (Data de defensa: 2015-10-07)

    Dynamic mechanical analysis (DMA) is often used to explore the relaxation dynamics of metallic glasses (MGs). Secondary relaxations in metallic glasses appear as an excess wing, as a shoulder of the primary relaxation peak ...

    Convección natural en cavidades tridimensionales 

    Sánchez Casals, Odalys (Data de defensa: 2015-11-10)

    The modelling of convective transport processes involving heat and mass transfer in an incompressible Newtonian fluid in cylindrical domains is a relevant research subject both for theoretical research and for industry. ...

    Relaxation dynamics in disordered systems 

    Romanini, Michela (Data de defensa: 2015-07-22)

    The nature of the glass transition and of the glassy state is a fundamental and still unsolved problem of condensed matter physics. Many liquids can be supercooled below their melting point without crystallizing, that is, ...

    Ab initio molecular dynamics study of thiolate-protected gold clusters and their interaction with biomolecules 

    Rojas-Cervellera, Víctor (Data de defensa: 2015-07-17)

    Thiolate monolayer-protected gold clusters (AuMPCs) are being used in various biological and biomedical applications due to their unique physical and chemical properties. The fact that gold-sulphur bonds are very stable ...

    Disentangling climatic interactions and detecting tipping points by means of complex networks 

    Tirabassi, Giulio (Data de defensa: 2015-06-05)

    En una situación de grandes cambios climáticos, el conocimiento de el sistema Tierra ha devenido, en los últimos años, una de las tareas mas importantes para la comunidad científica. En los últimos diez años, el incremento ...

    Nocturnal coastal fronts in the Mediterranean basin 

    Mazón, Jordi (Data de defensa: 2015-04-21)

    The main goal of this thesis is to investigate the formation of nocturnal coastal fronts (hereafter CF) in the Mediterranean basin producing nocturnal offshore precipitation near the coastline. After sunset the cooled ...

    White dwarf dynamical interactions 

    Aznar Siguan, Gabriela (Data de defensa: 2015-04-30)

    Merging white dwarfs is a promising channel to trigger Type Ia supernovae, known as the double degenerate scenario. Supernovae are stellar explosions that radiate as much energy as any ordinary star is expected to emit ...

    Microscopic description of two dimensional dipolar quantum gases 

    Macía Rey, Adrián (Data de defensa: 2015-02-13)

    A microscopic description of the many-body properties of anisotropic homogeneous gases of bosonic dipoles in two dimensions is presented and discussed. By changing the polarization angle with respect to the plane, we study ...

    Climate networks constructed by using information-theoretic measures and ordinal time-series analysis 

    Deza, Juan Ignacio (Data de defensa: 2015-02-26)

    This Thesis is devoted to the construction of global climate networks (CNs) built from time series -surface air temperature anomalies (SAT)- using nonlinear analysis. Several information theory measures have been used ...

    Numerical modeling of simple laboratory experiments of rotating flows 

    López Alonso, José Manuel (Data de defensa: 2015-02-05)

    Despite the large amount of research which has been conducted on turbulent flows, a full understanding of their dynamics as well as the mechanisms involved in the onset of turbulence is still missing. Experimental studies ...

    Variational mechanics and stochastic methods applied to structural design 

    Andujar Moreno, Rabindranath (Data de defensa: 2015-02-03)

    This thesis explores a very well understood area of physics: computational structural dynamics. The aim is to stretch its boundaries by merging it with another very well established discipline such as structural design and ...

    Latest generation white dwarf cooling models : theory and applications 

    Renedo Rouco, Isabel (Data de defensa: 2014-11-13)

    White dwarfs are the most common stellar evolutionary end-point. Moreover, they can be considered as reliable cosmic clocks to infer the age of a wide variety of stellar populations, including globular and open clusters. ...

    Time-varying networks approach to social dynamics : from individual to collective behavior 

    Starnini, Michele (Data de defensa: 2014-10-24)

    The data revolution experienced by social science has revealed complex patterns of interactions in human dynamics, such as the heterogeneity and burstiness of social contacts. The recently uncovered temporal dimension of ...

    Short-range order in disordered phases using neutron diffraction 

    Rovira Esteva, Muriel (Data de defensa: 2014-09-26)

    Neutron diffraction is a powerful technique that allows to probe the structure of disordered phases across a variety of length scales. However, due to the inherent complexity of these disordered hases, the analysis of the ...

    Shaping of light beams with photonic crystals : spatial filtering, beam collimation and focusing 

    Maigyte, Lina (Data de defensa: 2014-07-01)

    The research developed in the framework of this PhD thesis is a theoretical, numerical and experimental study of light beam shaping (spatial filtering, beam collimation and focusing) in the visible frequency range using ...

    Structural and electrical characterization of doped graphene and carbon nanotube networks 

    Iqbal, Muhammad Zahir (Data de defensa: 2014-07-16)

    Graphene, a two-dimensional sp2-hybridized network of carbon atoms has received a remarkable cornucopia of new physics and served as a unique model system, due particularly to its electronic properties, which could have ...

    Experimental study of feedback-induced dynamics in semiconductor lasers : from symbolic analysis to subwavelength position sensing 

    Aragoneses Aguado, Andrés (Data de defensa: 2014-06-18)

    The aim of this thesis is the study of the dynamics induced by optical feedback in semiconductor lasers. This study aims, on the one hand, to improve our knowledge of stocahstic complex systems, and on the other hand, to ...

    Colour and technology in historic decorated glazes and glasses 

    Molina Giralt, Glòria (Data de defensa: 2014-05-09)

    Historical decorated glass and glazed ceramics are studied with the object to determine the technology of production and to relate it with the optical properties (colour, shine, opacity). Four different case of study are ...