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BRST invariance and de Rham type cohomology of 't Hooft-Polyakov monopole

Title
BRST invariance and de Rham type cohomology of 't Hooft-Polyakov monopole
Authors
Hong S.-T.
Ewha Authors
홍순태
SCOPUS Author ID
홍순태scopus
Issue Date
2010
Journal Title
Modern Physics Letters A
ISSN
0217-7323JCR Link
Citation
vol. 25, no. 29, pp. 2529 - 2539
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We exploit the 't HooftPolyakov monopole to construct closed algebra of the quantum field operators and the BRST charge QBRST. In the first-class configuration of the Dirac quantization, by including the Q BRST-exact gauge-fixing term and the Faddeev-Popov ghost term, we find the BRST invariant Hamiltonian to investigate the de Rham type cohomology group structure for the monopole system. The Bogomol'nyi bound is also discussed in terms of the first-class topological charge defined on the extended internal two-sphere. © 2010 World Scientific Publishing Company.
DOI
10.1142/S0217732310033736
Appears in Collections:
사범대학 > 과학교육과 > Journal papers
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