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  • Publication details - IFISC
    systems of vertebrates receive inputs through a remarkable variety of accessory structures that impose complex mechanical loads on the mechanoreceptive hair bundles Although the physiological and morphological properties of the hair bundles in each organ are specialized for detecting the relevant inputs we propose that the mechanical load on the bundles also adjusts their responsiveness to external signals We use a parsimonious description of active hair bundle motility to show how the mechanical environment can regulate a bundle s innate behavior and response to input We find that an unloaded hair bundle can behave very differently from one subjected to a mechanical load Depending on how it is loaded a hair bundle can function as a switch active oscillator quiescent resonator or low pass filter Moreover a bundle displays a sharply tuned nonlinear and sensitive response for some loading conditions and an untuned or weakly tuned linear and insensitive response under other circumstances Our simple characterization of active hair bundle motility explains qualitatively most of the observed features of bundle motion from different organs and organisms The predictions stemming from this description provide insight into the operation of hair bundles in a variety of contexts DOI 10 1073 pnas 1120298109

    Original URL path: http://ifisc.uib-csic.es/publications/publication-detail.php?indice=2316 (2016-02-15)
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  • Publication details - IFISC
    total correlations can be meaningfully separated into a quantum part and a classical part thanks to an additive relation involving only the distances between states Here we investigate a unified view of correlations using as a distance measure the square norm which has already been used to define the so called geometric quantum discord We thus also consider geometric quantifiers for total and classical correlations finding for a quite general

    Original URL path: http://ifisc.uib-csic.es/publications/publication-detail.php?indice=2309 (2016-02-15)
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  • Publication details - IFISC
    La sincronización neuronal representa uno de los mejores ejemplos de coordinación temporal del tejido nervioso También ilustra la necesidad de nuevos métodos para entender el funcionamiento del cerebro http www investigacionyciencia es mente y cerebro numeros 2012 3 cuando las neuronas sincronizan sus relojes 8550 Fitxers MYC 53 MIRASSO pdf 535619 Bytes Tornar a la llista de publicacions Cerca publicacions Conté la paraula es Operador AND OR NOT Paraules adicionals

    Original URL path: http://ifisc.uib-csic.es/publications/publication-detail.php?indice=2308 (2016-02-15)
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  • Publication details - IFISC
    of coupled harmonic oscillators with different natural frequencies The presence of different dissipation processes described by common or separate heat baths plays a crucial role in the dynamical properties of the system We show that mutual synchronization phenomena may appear only for a common bath Furthermore we show that the emergence of synchronization is related to robust quantum correlations between the oscillators Synchronization phenomena appear indeed in correspondence with large

    Original URL path: http://ifisc.uib-csic.es/publications/publication-detail.php?indice=2326 (2016-02-15)
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  • Publication details - IFISC
    regime is lost as the lasers pump currents are increased We characterize the synchronization properties of the system with high temporal resolution in two different chaotic regimes namely low frequency fluctuations and coherence collapse identifying significant differences between them In particular a marked decrease in synchronization quality develops as the lasers enter the coherence collapse regime Our high resolution measurements allow us to establish that synchronization loss is associated with

    Original URL path: http://ifisc.uib-csic.es/publications/publication-detail.php?indice=2270 (2016-02-15)
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  • Publication details - IFISC
    natural clones so far detected extending over hundreds to thousands of meters and potentially centuries in age The maximum clone age and size estimates reported in the literature are typically bound by the scale of sampling and may grossly underestimate the maximum age and size of clonal organisms The occurrence of clones of the slow growing marine angiosperm Posidonia oceanica was examined at spatial scales ranging from meters to hundreds of kilometres using microsatellites on 1544 sampling units from a total of 40 locations across the Mediterranean Sea This analysis revealed the presence with a prevalence of 3 5 to 8 9 of very large clones spreading over one to several up to 15 kilometres in different locations across the Mediterranean Sea Using estimates and models of the clonal growth of P oceanica we estimated these large clones to span hundreds to thousands of years suggesting the evolution of large phenotypic plasticity general purpose genotypes in this species These results obtained combining genetics demographic and model calculations question our present knowledge and understanding of the spread capacity and lifespan of plant clones These findings call for further research on this life history trait associated to clonality considering its possible ecological

    Original URL path: http://ifisc.uib-csic.es/publications/publication-detail.php?indice=2256 (2016-02-15)
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  • Publication details - IFISC
    and dynamics of polyelectrolyte multilayers Cerdà Juan J Qiao Baofu Holm C Ionic Interactions in Natural and Synthetic Macromolecules edited by Alberto Ciferri and Angelo Perico Willey Sons 121 166 2012 DOI 10 1002 9781118165850 ch5 Fitxers Tornar a la llista de publicacions Cerca publicacions Conté la paraula es Operador AND OR NOT Paraules adicionals Línia d investigació Totes Complex Quantum Optics Fluids Biosystems Social Outreach Cerca avançada Xerrades i

    Original URL path: http://ifisc.uib-csic.es/publications/publication-detail.php?indice=2230 (2016-02-15)
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  • Publication details - IFISC
    the one hand and the entropy of the one particle reduced density matrix on the other hand A majorization related relation between these two density matrices is obtained leading to a family of entanglement criteria based on Rényi s entropic measure These criteria are applied to various illustrative examples of parametrized families of mixed states The dependence of the entanglement detection efficiency on Rényi s entropic parameter is investigated The

    Original URL path: http://ifisc.uib-csic.es/publications/publication-detail.php?indice=2391 (2016-02-15)
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