1,853 research outputs found

    Roman leather

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    Spin drag Hall effect in a rotating Bose mixture

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    We show that in a rotating two-component Bose mixture, the spin drag between the two different spin species shows a Hall effect. This spin drag Hall effect can be observed experimentally by studying the out-of-phase dipole mode of the mixture. We determine the damping of this mode due to spin drag as a function of temperature. We find that due to Bose stimulation there is a strong enhancement of the damping for temperatures close to the critical temperature for Bose-Einstein condensation.Comment: 1 figur

    The properties of Low Surface Brightness galaxies

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    A description is given of the samples of Low Surface Brightness galaxies (LSBs) used for comparison with models of their chemical and spectro-photometric evolution (Boissier et al., this Volume). These samples show the large variation and scatter in observed global properties of LSBs, some of which cannot be modeled without adding starbursts or truncations to their star formation history.Comment: To appear in the Proceedings of the Euroconference on The Evolution of Galaxies: III. From simple approaches to self-consistent models (Kluwer). 4 page

    Current-driven and field-driven domain walls at nonzero temperature

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    We present a model for the dynamics of current- and field-driven domain-wall lines at nonzero temperature. We compute thermally-averaged drift velocities from the Fokker-Planck equation that describes the nonzero-temperature dynamics of the domain wall. As special limits of this general description, we describe rigid domain walls as well as vortex domain walls. In these limits, we determine also depinning times of the domain wall from an extrinsic pinning potential. We compare our theory with previous theoretical and experimental work

    Proceedings of the International Workshop on: methods and tools for water-related adaptation to climate change and climate proofing

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    The workshop fits in the National Water Plan of the Netherlands’ government of which the international chapter includes the strengthening of cooperation with other delta countries, including Indonesia, Vietnam and Bangladesh and is part of the work plan of the Cooperative Programme on Water and Climate, a Netherlands’ sponsored programme with the objective to improve knowledge and capacity on the relation between water and climate change especially in developing countries and countries in transition

    Fashionable footwear: craftsmen and consumers in the north-west provinces of the Roman Empire

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    Roman Provinces, Middle Ages and Modern Perio
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