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- Publisher Website: 10.1142/S021827181242014X
- Scopus: eid_2-s2.0-84869835588
- WOS: WOS:000311315500020
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Article: How to detect an anti-spacetime
Title | How to detect an anti-spacetime |
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Authors | |
Keywords | Lapse Fermions Time reversal Quantum gravity |
Issue Date | 2012 |
Citation | International Journal of Modern Physics D, 2012, v. 21, n. 11, article no. 1242014 How to Cite? |
Abstract | Is it possible, in principle, to measure the sign of the Lapse? We show that fermion dynamics distinguishes spacetimes having the same metric but different tetrads, for instance a Lapse with opposite sign. This sign might be a physical quantity not captured by the metric. We discuss its possible role in quantum gravity. © World Scientific Publishing Company. |
Persistent Identifier | http://hdl.handle.net/10722/285927 |
ISSN | 2023 Impact Factor: 1.8 2023 SCImago Journal Rankings: 0.614 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Christodoulou, Marios | - |
dc.contributor.author | Riello, Aldo | - |
dc.contributor.author | Rovelli, Carlo | - |
dc.date.accessioned | 2020-08-18T04:57:00Z | - |
dc.date.available | 2020-08-18T04:57:00Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | International Journal of Modern Physics D, 2012, v. 21, n. 11, article no. 1242014 | - |
dc.identifier.issn | 0218-2718 | - |
dc.identifier.uri | http://hdl.handle.net/10722/285927 | - |
dc.description.abstract | Is it possible, in principle, to measure the sign of the Lapse? We show that fermion dynamics distinguishes spacetimes having the same metric but different tetrads, for instance a Lapse with opposite sign. This sign might be a physical quantity not captured by the metric. We discuss its possible role in quantum gravity. © World Scientific Publishing Company. | - |
dc.language | eng | - |
dc.relation.ispartof | International Journal of Modern Physics D | - |
dc.subject | Lapse | - |
dc.subject | Fermions | - |
dc.subject | Time reversal | - |
dc.subject | Quantum gravity | - |
dc.title | How to detect an anti-spacetime | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1142/S021827181242014X | - |
dc.identifier.scopus | eid_2-s2.0-84869835588 | - |
dc.identifier.volume | 21 | - |
dc.identifier.issue | 11 | - |
dc.identifier.spage | article no. 1242014 | - |
dc.identifier.epage | article no. 1242014 | - |
dc.identifier.isi | WOS:000311315500020 | - |
dc.identifier.issnl | 0218-2718 | - |