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Sökning: WFRF:(Abellan A) > (2017)

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1.
  • Abellan, A., et al. (författare)
  • Partner care, gender equality, and ageing in Spain and Sweden
  • 2017
  • Ingår i: International Journal of Ageing and Later Life. - : Linkoping University Electronic Press. - 1652-8670. ; 11:1, s. 69-89
  • Tidskriftsartikel (refereegranskat)abstract
    • We used national surveys to study how older persons’ changing household patterns influence the gender balance of caregiving in two countries with distinct household structures and cultures, Spain and Sweden. In both countries, men and women provide care equally often for their partner in couple-only households. This has become the most common household type among older persons in Spain and prevails altogether in Sweden. This challenges the traditional dominance of young or middle-aged women as primary caregivers in Spain. In Sweden, many caregivers are old themselves. We focus attention to partners as caregivers and the consequences of changing household structures for caregiving, which may be on the way to gender equality in both countries, with implications for families and for the public services.
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2.
  • Giustina, Marissa, et al. (författare)
  • A Significant-Loophole-Free Test of Bells Theorem with Entangled Photons
  • 2017
  • Ingår i: QUANTUM INFORMATION SCIENCE AND TECHNOLOGY III. - : SPIE-INT SOC OPTICAL ENGINEERING. - 9781510613492 - 9781510613485
  • Konferensbidrag (refereegranskat)abstract
    • John Bells theorem of 1964 states that local elements of physical reality, existing independent of measurement, are inconsistent with the predictions of quantum mechanics (Bell, J. S. (1964), Physics (College. Park. Md). 1 (3), 195). Specifically, correlations between measurement results from distant entangled systems would be smaller than predicted by quantum physics. This is expressed in Bells inequalities. Employing modifications of Bells inequalities, many experiments have been performed that convincingly support the quantum predictions. Yet, all experiments rely on assumptions, which provide loopholes for a local realist explanation of the measurement. Here we report an experiment with polarization-entangled photons that simultaneously closes the most significant of these loopholes. We use a highly efficient source of entangled photons, distributed these over a distance of 58.5 meters, and implemented rapid random setting generation and high-efficiency detection to observe a violation of a Bell inequality with high statistical significance. The merely statistical probability of our results to occur under local realism is less than 3.74 . 10(-31), corresponding to an 11.5 standard deviation effect.
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