{"id":{"repo_id":"greece","oai_identifier":"oai:10442/0571"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/0571","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΦΑΣΜΑ ΜΑΖΩΝ ΑΒΕΛΙΑΝΩΝ ΘΕΩΡΙΩΝ ΒΑΘΜΙΔΑΣ ΣΕ ΤΡΙΔΙΑΣΤΑΤΟ ΧΩΡΟΧΡΟΝΙΚΟ ΠΛΕΓΜΑ","abstract":"WE STUDIED THE MESSONIC MASS SPECTRUM OF AN OBELIAN GAUGE THEORY IN (2+1) -DIM ON A SPACE-TIME LATTICE. WE FOUND THAT AN SU(2) GLOBAL SYMMETRY WHICH CHARACTERIZED THE MODEL WAS BROKEN DYNAMICALLY. IF WE TAKE INTO ACCOUNT THE FERMIONIC DEGREES OF FREEDOM THIS BREAKDOWN APPEARS TO BE STRONGER. THE CALCULATIONS OF THECONDENSATE FOR VARIOUS TYPES OF FERMIONS SUPPORTED THE SCENARIO OF THE SYMMETRY BREAKING.","abstract_html":"WE STUDIED THE MESSONIC MASS SPECTRUM OF AN OBELIAN GAUGE THEORY IN (2+1) -DIM ON A SPACE-TIME LATTICE. WE FOUND THAT AN SU(2) GLOBAL SYMMETRY WHICH CHARACTERIZED THE MODEL WAS BROKEN DYNAMICALLY. IF WE TAKE INTO ACCOUNT THE FERMIONIC DEGREES OF FREEDOM THIS BREAKDOWN APPEARS TO BE STRONGER. THE CALCULATIONS OF THECONDENSATE FOR VARIOUS TYPES OF FERMIONS SUPPORTED THE SCENARIO OF THE SYMMETRY BREAKING.","abstract_has_math":false,"creators":["Farakos, Kostadinos","Φαράκος, Κωνσταντίνος"],"institution":"National Technical University of Athens (NTUA)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1987,"date_issued":"1987","date_published":"1987","updated_at":"2026-07-24T02:25:21Z","subjects":["Fermions","Gauge theories","Lattice","MASS SPECTRUM","MESSONS","MONTECARLO","PSEUDOFERMIONS","QUENCHED CALCULATIONS","Spontaneous symmetry breaking","Αυθόρμητο σπάσιμο συμμετρίας","ΗΛΕΚΤΡΟΔΥΝΑΜΙΚΗ","Θεωρία βαθμίδας","ΙΣΟΤΟΠΙΚΟ ΣΠΙΝ","Πλέγμα","ΦΑΣΜΑ ΜΑΖΩΝ","Φερμιόνια","ΦΕΡΜΙΟΝΙΚΗ ΟΡΙΖΟΥΣΑ","ΨΕΥΔΟΦΕΡΜΙΟΝΙΑ","Φυσικές Επιστήμες","Φυσική","Natural Sciences","Physical Sciences"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0571"],"render_values":[{"text":"10.12681/eadd/0571","href":"https://doi.org/10.12681/eadd/0571","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/0571","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Farakos, Kostadinos","Φαράκος, Κωνσταντίνος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1987"]},{"key":"dc:publisher","label":"Institution","values":["National Technical University of Athens (NTUA)","Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Fermions","Gauge theories","Lattice","MASS SPECTRUM","MESSONS","MONTECARLO","PSEUDOFERMIONS","QUENCHED CALCULATIONS","Spontaneous symmetry breaking","Αυθόρμητο σπάσιμο συμμετρίας","ΗΛΕΚΤΡΟΔΥΝΑΜΙΚΗ","Θεωρία βαθμίδας","ΙΣΟΤΟΠΙΚΟ ΣΠΙΝ","Πλέγμα","ΦΑΣΜΑ ΜΑΖΩΝ","Φερμιόνια","ΦΕΡΜΙΟΝΙΚΗ ΟΡΙΖΟΥΣΑ","ΨΕΥΔΟΦΕΡΜΙΟΝΙΑ","Φυσικές Επιστήμες","Φυσική","Natural Sciences","Physical Sciences"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0571","http://hdl.handle.net/10442/hedi/0571"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["WE STUDIED THE MESSONIC MASS SPECTRUM OF AN OBELIAN GAUGE THEORY IN (2+1) -DIM ON A SPACE-TIME LATTICE. WE FOUND THAT AN SU(2) GLOBAL SYMMETRY WHICH CHARACTERIZED THE MODEL WAS BROKEN DYNAMICALLY. IF WE TAKE INTO ACCOUNT THE FERMIONIC DEGREES OF FREEDOM THIS BREAKDOWN APPEARS TO BE STRONGER. THE CALCULATIONS OF THECONDENSATE FOR VARIOUS TYPES OF FERMIONS SUPPORTED THE SCENARIO OF THE SYMMETRY BREAKING.","ΕΞΕΤΑΣΑΜΕ ΤΟ ΦΑΣΜΑ ΜΑΖΩΝ ΤΩΝ ΜΕΣΟΝΙΚΩΝ ΚΑΤΑΣΤΑΣΕΩΝ ΜΙΑΣ ΤΡΙΔΙΑΣΤΑΤΗΣ ΑΒΕΛΙΑΝΗΣ ΘΕΩΡΙΑΣ ΒΑΘΜΙΔΑΣ. Η ΤΡΙΔΙΑΣΤΑΤΗ ΑΒΕΛΙΑΝΗ ΘΕΩΡΙΑ ΒΑΘΜΙΔΑΣ ΔΕΝ ΕΜΦΑΝΙΖΕΙ ΜΕΤΑΤΡΟΠΗ ΦΑΣΗΣ ΚΑΙ ΕΧΕΙ ΜΗ ΜΗΔΕΝΙΚΗ ΤΑΣΗ ΝΗΜΑΤΟΣ. Η ΕΠΙΔΡΑΣΗ ΤΩΝ ΦΕΡΜΙΟΝΙΩΝ ΜΠΟΡΕΙ ΝΑ ΠΡΟΣΟΜΕΙΩΘΕΙ ΜΕ ΑΥΞΗΣΗ ΤΗΣ ΖΕΥΞΗΣ ΤΟΥ ΚΑΘΑΡΟΥ ΠΕΔΙΟΥ ΒΑΘΜΙΔΑΣ. ΥΠΟΛΟΓΙΣΘΗΚΕ ΑΡΙΘΜΗΤΙΚΑ ΤΟ ΜΕΣΟΝΙΚΟ ΦΑΣΜΑ ΜΑΖΩΝ ΤΗΣ ΘΕΩΡΙΑΣ ΚΑΙ ΔΙΑΠΙΣΤΩΘΗΚΕ ΑΥΘΟΡΜΗΤΟ ΣΠΑΣΙΜΟ ΤΗΣ ΟΛΙΚΗΣ ΣΥΜΜΕΤΡΙΑΣ SU2 ΠΟΥ ΧΑΡΑΚΤΗΡΙΖΕΙ ΤΟ ΜΟΝΤΕΛΟ. ΟΤΑΝ ΛΗΦΘΟΥΝ ΥΠ'ΟΨΙΝ ΟΙ ΦΕΡΜΙΟΝΙΚΟΙ ΒΑΘΜΟΙ ΕΛΕΥΘΕΡΙΑΣ ΤΟ ΑΥΘΟΡΜΗΤΟ ΣΠΑΣΙΜΟ ΓΙΑ ΙΣΧΥΡΗ ΖΕΥΞΗ ΕΙΝΑΙ ΕΝΤΟΝΩΤΕΡΟ. ΤΕΛΟΣ ΟΙ ΥΠΟΛΟΓΙΣΜΟΙ ΤΟΥ ΣΥΣΣΩΜΑΤΩΜΑΤΟΣ ΓΙΑ ΔΙΑΦΟΡΟΥΣ ΤΥΠΟΥΣ ΦΕΡΜΙΟΝΙΩΝΕΠΙΒΕΒΑΙΩΣΑΝ ΤΟ ΣΠΑΣΙΜΟ ΤΗΣ ΣΥΜΜΕΤΡΙΑΣ. ."]},{"key":"dc:title","label":"Title","values":["ΦΑΣΜΑ ΜΑΖΩΝ ΑΒΕΛΙΑΝΩΝ ΘΕΩΡΙΩΝ ΒΑΘΜΙΔΑΣ ΣΕ ΤΡΙΔΙΑΣΤΑΤΟ ΧΩΡΟΧΡΟΝΙΚΟ ΠΛΕΓΜΑ","MESON MASS SPECTRUM IN (2+1)-D LATTICE QED"]}]}],"canonical_facts":{"dc:creator":["Farakos, Kostadinos","Φαράκος, Κωνσταντίνος"],"dc:date":["1987"],"dc:description":["WE STUDIED THE MESSONIC MASS SPECTRUM OF AN OBELIAN GAUGE THEORY IN (2+1) -DIM ON A SPACE-TIME LATTICE. WE FOUND THAT AN SU(2) GLOBAL SYMMETRY WHICH CHARACTERIZED THE MODEL WAS BROKEN DYNAMICALLY. IF WE TAKE INTO ACCOUNT THE FERMIONIC DEGREES OF FREEDOM THIS BREAKDOWN APPEARS TO BE STRONGER. THE CALCULATIONS OF THECONDENSATE FOR VARIOUS TYPES OF FERMIONS SUPPORTED THE SCENARIO OF THE SYMMETRY BREAKING.","ΕΞΕΤΑΣΑΜΕ ΤΟ ΦΑΣΜΑ ΜΑΖΩΝ ΤΩΝ ΜΕΣΟΝΙΚΩΝ ΚΑΤΑΣΤΑΣΕΩΝ ΜΙΑΣ ΤΡΙΔΙΑΣΤΑΤΗΣ ΑΒΕΛΙΑΝΗΣ ΘΕΩΡΙΑΣ ΒΑΘΜΙΔΑΣ. Η ΤΡΙΔΙΑΣΤΑΤΗ ΑΒΕΛΙΑΝΗ ΘΕΩΡΙΑ ΒΑΘΜΙΔΑΣ ΔΕΝ ΕΜΦΑΝΙΖΕΙ ΜΕΤΑΤΡΟΠΗ ΦΑΣΗΣ ΚΑΙ ΕΧΕΙ ΜΗ ΜΗΔΕΝΙΚΗ ΤΑΣΗ ΝΗΜΑΤΟΣ. Η ΕΠΙΔΡΑΣΗ ΤΩΝ ΦΕΡΜΙΟΝΙΩΝ ΜΠΟΡΕΙ ΝΑ ΠΡΟΣΟΜΕΙΩΘΕΙ ΜΕ ΑΥΞΗΣΗ ΤΗΣ ΖΕΥΞΗΣ ΤΟΥ ΚΑΘΑΡΟΥ ΠΕΔΙΟΥ ΒΑΘΜΙΔΑΣ. ΥΠΟΛΟΓΙΣΘΗΚΕ ΑΡΙΘΜΗΤΙΚΑ ΤΟ ΜΕΣΟΝΙΚΟ ΦΑΣΜΑ ΜΑΖΩΝ ΤΗΣ ΘΕΩΡΙΑΣ ΚΑΙ ΔΙΑΠΙΣΤΩΘΗΚΕ ΑΥΘΟΡΜΗΤΟ ΣΠΑΣΙΜΟ ΤΗΣ ΟΛΙΚΗΣ ΣΥΜΜΕΤΡΙΑΣ SU2 ΠΟΥ ΧΑΡΑΚΤΗΡΙΖΕΙ ΤΟ ΜΟΝΤΕΛΟ. ΟΤΑΝ ΛΗΦΘΟΥΝ ΥΠ'ΟΨΙΝ ΟΙ ΦΕΡΜΙΟΝΙΚΟΙ ΒΑΘΜΟΙ ΕΛΕΥΘΕΡΙΑΣ ΤΟ ΑΥΘΟΡΜΗΤΟ ΣΠΑΣΙΜΟ ΓΙΑ ΙΣΧΥΡΗ ΖΕΥΞΗ ΕΙΝΑΙ ΕΝΤΟΝΩΤΕΡΟ. ΤΕΛΟΣ ΟΙ ΥΠΟΛΟΓΙΣΜΟΙ ΤΟΥ ΣΥΣΣΩΜΑΤΩΜΑΤΟΣ ΓΙΑ ΔΙΑΦΟΡΟΥΣ ΤΥΠΟΥΣ ΦΕΡΜΙΟΝΙΩΝΕΠΙΒΕΒΑΙΩΣΑΝ ΤΟ ΣΠΑΣΙΜΟ ΤΗΣ ΣΥΜΜΕΤΡΙΑΣ. ."],"dc:identifier":["10.12681/eadd/0571","http://hdl.handle.net/10442/hedi/0571"],"dc:language":["gre"],"dc:publisher":["National Technical University of Athens (NTUA)","Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)"],"dc:subject":["Fermions","Gauge theories","Lattice","MASS SPECTRUM","MESSONS","MONTECARLO","PSEUDOFERMIONS","QUENCHED CALCULATIONS","Spontaneous symmetry breaking","Αυθόρμητο σπάσιμο συμμετρίας","ΗΛΕΚΤΡΟΔΥΝΑΜΙΚΗ","Θεωρία βαθμίδας","ΙΣΟΤΟΠΙΚΟ ΣΠΙΝ","Πλέγμα","ΦΑΣΜΑ ΜΑΖΩΝ","Φερμιόνια","ΦΕΡΜΙΟΝΙΚΗ ΟΡΙΖΟΥΣΑ","ΨΕΥΔΟΦΕΡΜΙΟΝΙΑ","Φυσικές Επιστήμες","Φυσική","Natural Sciences","Physical Sciences"],"dc:title":["ΦΑΣΜΑ ΜΑΖΩΝ ΑΒΕΛΙΑΝΩΝ ΘΕΩΡΙΩΝ ΒΑΘΜΙΔΑΣ ΣΕ ΤΡΙΔΙΑΣΤΑΤΟ ΧΩΡΟΧΡΟΝΙΚΟ ΠΛΕΓΜΑ","MESON MASS SPECTRUM IN (2+1)-D LATTICE QED"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:21Z"}