{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,5]],"date-time":"2022-04-05T18:26:51Z","timestamp":1649183211267},"reference-count":7,"publisher":"Cambridge University Press (CUP)","issue":"H15","license":[{"start":{"date-parts":[[2010,10,21]],"date-time":"2010-10-21T00:00:00Z","timestamp":1287619200000},"content-version":"unspecified","delay-in-days":354,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Proc. IAU"],"published-print":{"date-parts":[[2009,11]]},"abstract":"<jats:p>A popular candidate of dark energy, currently driving an accelerated expansion of the universe, is a slowly rolling scalar field or quintessence. A scalar field, however, must couple with other sources of matter. Consequently, its dynamical evolution can result in extra interactions between standard particles, which are mediated by the field, and to a variation in the fundamental parameters. Curiously, it has been reported that observations of a number of quasar absorption lines suggest that the fine structure constant was smaller in the past, at redshifts in the range <jats:italic>z<\/jats:italic>=1-3 (Murphy <jats:italic>et al<\/jats:italic>. (2003), Murphy <jats:italic>et al<\/jats:italic>. (2004), but see also Srianand <jats:italic>et al<\/jats:italic>. (2007)). Could this indeed be the signature of a slowly evolving scalar field?<\/jats:p>","DOI":"10.1017\/s1743921310009439","type":"journal-article","created":{"date-parts":[[2010,10,21]],"date-time":"2010-10-21T09:52:51Z","timestamp":1287654771000},"page":"303-303","source":"Crossref","is-referenced-by-count":0,"title":["Reconstructing the evolution of dark energy with variations of fundamental parameters"],"prefix":"10.1017","volume":"5","author":[{"given":"N. J.","family":"Nunes","sequence":"first","affiliation":[]},{"given":"T.","family":"Dent","sequence":"additional","affiliation":[]},{"given":"C. J. A. P.","family":"Martins","sequence":"additional","affiliation":[]},{"given":"G.","family":"Robbers","sequence":"additional","affiliation":[]}],"member":"56","published-online":{"date-parts":[[2010,10,21]]},"reference":[{"key":"S1743921310009439_ref6","doi-asserted-by":"publisher","DOI":"10.1126\/science.1154622"},{"key":"S1743921310009439_ref3","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-8711.2003.06970.x"},{"key":"S1743921310009439_ref2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.79.083516"},{"key":"S1743921310009439_ref1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.74.083508"},{"key":"S1743921310009439_ref7","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.99.239002"},{"key":"S1743921310009439_ref4","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-40991-5_9"},{"key":"S1743921310009439_ref5","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.69.123511"}],"container-title":["Proceedings of the International Astronomical Union"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S1743921310009439","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,4,30]],"date-time":"2019-04-30T10:32:27Z","timestamp":1556620347000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S1743921310009439\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,11]]},"references-count":7,"journal-issue":{"issue":"H15","published-print":{"date-parts":[[2009,11]]}},"alternative-id":["S1743921310009439"],"URL":"https:\/\/doi.org\/10.1017\/s1743921310009439","relation":{},"ISSN":["1743-9213","1743-9221"],"issn-type":[{"value":"1743-9213","type":"print"},{"value":"1743-9221","type":"electronic"}],"subject":[],"published":{"date-parts":[[2009,11]]}}}