Εμφάνιση απλής εγγραφής

dc.contributor.author Ποτηράκης, Στέλιος el
dc.contributor.author Καραδημητράκης, Απόστολος el
dc.contributor.author Ευταξίας, Κωνσταντίνος el
dc.date.accessioned 2015-06-06T18:31:05Z
dc.date.available 2015-06-06T18:31:05Z
dc.date.issued 2015-06-06
dc.identifier.uri http://hdl.handle.net/11400/15359
dc.rights Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.source http://scitation.aip.org en
dc.subject Electromagnetic emissions
dc.subject Ηλεκτρομαγνητικές εκπομπές
dc.subject Earthquake
dc.subject Σεισμός
dc.subject Φυσικά φαινόμενα
dc.title Natural time analysis of critical phenomena en
heal.type journalArticle
heal.secondaryTitle the case of pre-fracture electromagnetic emissions en
heal.classification Technology
heal.classification Electronics
heal.classification Τεχνολογία
heal.classification Ηλεκτρονική
heal.classificationURI http://id.loc.gov/authorities/subjects/sh85133147
heal.classificationURI http://id.loc.gov/authorities/subjects/sh85042383
heal.classificationURI **N/A**-Τεχνολογία
heal.classificationURI **N/A**-Ηλεκτρονική
heal.identifier.secondary DOI: 10.1063/1.4807908
heal.language en
heal.access campus
heal.publicationDate 2013
heal.bibliographicCitation Potirakis, S., Karadimitrakis, A. and Eftaxias, K. (2013) Natural time analysis of critical phenomena: The case of pre-fracture electromagnetic emissions. "Chaos", 23 (2) en
heal.abstract Criticality of complex systems reveals itself in various ways. One way to monitor a system at critical state is to analyze its observable manifestations using the recently introduced method of natural time. Pre-fracture electromagnetic (EM) emissions, in agreement to laboratory experiments, have been consistently detected in the MHz band prior to significant earthquakes. It has been proposed that these emissions stem from the fracture of the heterogeneous materials surrounding the strong entities (asperities) distributed along the fault, preventing the relative slipping. It has also been proposed that the fracture of heterogeneous material could be described in analogy to the critical phase transitions in statistical physics. In this work, the natural time analysis is for the first time applied to the pre-fracture MHz EM signals revealing their critical nature. Seismicity and pre-fracture EM emissions should be two sides of the same coin concerning the earthquake generation process. Therefore, we also examine the corresponding foreshock seismic activity, as another manifestation of the same complex system at critical state. We conclude that the foreshock seismicity data present criticality features as well. en
heal.journalName Chaos en
heal.journalType peer-reviewed
heal.fullTextAvailability true


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Εμφάνιση απλής εγγραφής

Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες Εκτός από όπου ορίζεται κάτι διαφορετικό, αυτή η άδεια περιγράφεται ως Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες