{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T13:06:15Z","timestamp":1775048775337,"version":"3.50.1"},"reference-count":26,"publisher":"AIP Publishing","issue":"12","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2008,12,1]]},"abstract":"<jats:p>The interplay between large scale fluctuations and the local turbulent transport has been investigated in the tokamak ISTTOK [C. A. F. Varandas et al., Fusion Technol.\u200829, 105 (1996)] plasma boundary region. It has been found that the floating potential fluctuations, dominated by low frequency oscillations, exhibit a significant toroidal correlation at large distances that can be attributed to the geodesic acoustic mode. The level of long-distance correlations is strongly bursty, showing a significant degree of coupling with the local electrostatic turbulent transport. Experimental findings show the key role of multiscale physics in the regulation of transport in the edge region of fusion plasmas.<\/jats:p>","DOI":"10.1063\/1.3042221","type":"journal-article","created":{"date-parts":[[2008,12,12]],"date-time":"2008-12-12T23:22:11Z","timestamp":1229124131000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":18,"title":["Experimental evidence of coupling between local turbulent transport and large scale fluctuations in the ISTTOK edge plasma"],"prefix":"10.1063","volume":"15","author":[{"given":"C.","family":"Silva","sequence":"first","affiliation":[{"name":"Instituto de Plasmas e Fus\u00e3o Nuclear 1 Associa\u00e7\u00e3o Euratom\/IST, , Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"C.","family":"Hidalgo","sequence":"additional","affiliation":[{"name":"Associaci\u00f3n Euratom\/Ciemat 2 , 28040 Madrid, Spain"}]},{"given":"H.","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"Instituto de Plasmas e Fus\u00e3o Nuclear 1 Associa\u00e7\u00e3o Euratom\/IST, , Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"P.","family":"Duarte","sequence":"additional","affiliation":[{"name":"Instituto de Plasmas e Fus\u00e3o Nuclear 1 Associa\u00e7\u00e3o Euratom\/IST, , Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"H.","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Instituto de Plasmas e Fus\u00e3o Nuclear 1 Associa\u00e7\u00e3o Euratom\/IST, , Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"I.","family":"Nedzelskiy","sequence":"additional","affiliation":[{"name":"Instituto de Plasmas e Fus\u00e3o Nuclear 1 Associa\u00e7\u00e3o Euratom\/IST, , Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"M. 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