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http://hdl.handle.net/2289/4544
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DC Field | Value | Language |
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dc.contributor.author | Surya, Sumati | - |
dc.contributor.author | Vaidya, Sachindeo | - |
dc.date.accessioned | 2012-05-28T03:43:57Z | - |
dc.date.available | 2012-05-28T03:43:57Z | - |
dc.date.issued | 1998-07 | - |
dc.identifier.citation | Nuclear Physics B, 1998, Vol.523, p391-402 | en |
dc.identifier.uri | http://hdl.handle.net/2289/4544 | - |
dc.description | Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations) | en |
dc.description.abstract | In this note we study the structure of diffeomorphism anomalies in 3+1 canonical gravity coupled to a chiral massless fermion. We find that when the spatial manifold Σ is S3 or a Lens space L(p,q), the first homotopy group of the related diffeomorphism group can be non-trivial and hence the question of global anomalies becomes relevant. Here we show that for gravity coupled to SU(2) chiral fermions, assuming the strong form of the Hatcher conjecture, SU(2)-induced diffeomorphism anomalies do not occur whenever Σ is S3 or a Lens space. | en |
dc.language.iso | en | en |
dc.publisher | Elsevier B. V. | en |
dc.relation.uri | http://arxiv.org/abs/hep-th/9709170 | en |
dc.relation.uri | http://dx.doi.org/10.1016/S0550-3213(98)00286-7 | en |
dc.relation.uri | http://adsabs.harvard.edu/abs/1998NuPhB.523..391S | en |
dc.rights | 1998 Elsevier B.V. | en |
dc.title | Global anomalies in canonical gravity | en |
dc.type | Article | en |
Appears in Collections: | Research Papers (TP) |
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1998_NuPhB.V523_p391.pdf Restricted Access | Restricted Access | 621.74 kB | Adobe PDF | View/Open Request a copy |
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