XIII Encontro Nacional de FÃÂsica de PartÃÂculas e Campos.pdf
XIII Encontro Nacional de FÃÂsica de PartÃÂculas e Campos.pdf
XIII Encontro Nacional de FÃÂsica de PartÃÂculas e Campos.pdf
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18/9 - 10:55<br />
Polarizacilo do \Tactic. cm (21-1) Dimensoes<br />
•<br />
B. M. Pimentel, A. T. Suzuki e L. Toniazelli<br />
Institato <strong>de</strong> Fisica Teorica-. UNESP..<br />
Calcuiainos o tensor' <strong>de</strong> polarizacao do vcuo para a eletrociinamica<br />
quantica- tridimensional (QED 3) via equac5es <strong>de</strong> movimento <strong>de</strong> Heisenberg.<br />
Conelnimos'que o tOton adquiromassa quando tal contribuicito e levatla em<br />
(-mita no -propagador. do. 6t011. Este: resultaciO estii (le acordo. coil aquele<br />
obtido na.representaca .a.<strong>de</strong> interacao, no qua! a amplitu<strong>de</strong> .<strong>de</strong> Feynman<br />
correspon<strong>de</strong>nte an.proceso <strong>de</strong> polarizacao do:vacuo toi regularizada atraves<br />
da tecnica <strong>de</strong> reguidrizacio analitica, implementacla <strong>de</strong> forma a preserver<br />
gauge-da teonia.<br />
18/9 16:T0<br />
•A GENERALIZEDEIRAC 4 S QUANTIZATION CONDITION FOR PHENOMENOLOGICAL NON<br />
ABELIAN MAGNETIC MONOPOLES<br />
Adolfo Male IMECC• UNICAMP/ Waldyr A.Rodrigues Jr. - UNICAMP'<br />
We extend the Dir<strong>de</strong>s quantization condition for the<br />
phenomenological non-abelianmagnetic monopoles whose theory was <strong>de</strong>veloped<br />
in . 'a series• ol. -papers in - the. last few years.<br />
18/9' - 76:25<br />
I<br />
GERAc5,0 DINAMICA DE MASSA PARA CAMPOS VETORIAIS COMPLEXOS<br />
EM-'MODELOS DE - GAUGE PLANARES,<br />
0.M.Eel Cima, C.B.P.F.-DCP<br />
F.A.B.Rabelo <strong>de</strong> Carvaiho, U.C.P.-ICEN-Petropolis<br />
Propoe-se um mo<strong>de</strong>lo <strong>de</strong> gauge com campo vetorial <strong>de</strong> Chern-Simons complexo acoplado<br />
minimamente a um campo . <strong>de</strong> maxwell.Mostra-se, atraves do estudo da acao<br />
efetiva a um-loOp-, que uma. massa , " a la Proce . gerada dinamicamente, e que a<br />
mesma satisfaz aos-&riterios pars a•aUsencia <strong>de</strong> ghosts e taquions no espectro.