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- Publisher Website: 10.1103/PhysRevD.75.104016
- Scopus: eid_2-s2.0-34347395808
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Article: Extra force in f(R) modified theories of gravity
| Title | Extra force in f(R) modified theories of gravity |
|---|---|
| Authors | |
| Issue Date | 2007 |
| Publisher | American Physical Society. The Journal's web site is located at http://prd.aps.org |
| Citation | Physical Review D (Particles, Fields, Gravitation and Cosmology), 2007, v. 75 n. 10, article no. 104016 How to Cite? |
| Abstract | The equation of motion for massive particles in f(R) modified theories of gravity is derived. By considering an explicit coupling between an arbitrary function of the scalar curvature, R, and the Lagrangian density of matter, it is shown that an extra force arises. This extra force is orthogonal to the four-velocity and the corresponding acceleration law is obtained in the weak-field limit. Connections with MOND and with the Pioneer anomaly are further discussed. © 2007 The American Physical Society. |
| Persistent Identifier | http://hdl.handle.net/10722/91869 |
| ISSN | 2014 Impact Factor: 4.643 |
| ISI Accession Number ID | |
| References |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Bertolami, O | en_HK |
| dc.contributor.author | Böhmer, CG | en_HK |
| dc.contributor.author | Harko, T | en_HK |
| dc.contributor.author | Lobo, FSN | en_HK |
| dc.date.accessioned | 2010-09-17T10:28:59Z | - |
| dc.date.available | 2010-09-17T10:28:59Z | - |
| dc.date.issued | 2007 | en_HK |
| dc.identifier.citation | Physical Review D (Particles, Fields, Gravitation and Cosmology), 2007, v. 75 n. 10, article no. 104016 | - |
| dc.identifier.issn | 1550-7998 | en_HK |
| dc.identifier.uri | http://hdl.handle.net/10722/91869 | - |
| dc.description.abstract | The equation of motion for massive particles in f(R) modified theories of gravity is derived. By considering an explicit coupling between an arbitrary function of the scalar curvature, R, and the Lagrangian density of matter, it is shown that an extra force arises. This extra force is orthogonal to the four-velocity and the corresponding acceleration law is obtained in the weak-field limit. Connections with MOND and with the Pioneer anomaly are further discussed. © 2007 The American Physical Society. | en_HK |
| dc.language | eng | en_HK |
| dc.publisher | American Physical Society. The Journal's web site is located at http://prd.aps.org | en_HK |
| dc.relation.ispartof | Physical Review D (Particles, Fields, Gravitation and Cosmology) | - |
| dc.title | Extra force in f(R) modified theories of gravity | en_HK |
| dc.type | Article | en_HK |
| dc.identifier.email | Harko, TC:harko@hkucc.hku.hk | en_HK |
| dc.identifier.authority | Harko, TC=rp1333 | en_HK |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.doi | 10.1103/PhysRevD.75.104016 | en_HK |
| dc.identifier.scopus | eid_2-s2.0-34347395808 | en_HK |
| dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-34347395808&selection=ref&src=s&origin=recordpage | en_HK |
| dc.identifier.volume | 75 | en_HK |
| dc.identifier.issue | 10 | en_HK |
| dc.identifier.spage | article no. 104016 | - |
| dc.identifier.epage | article no. 104016 | - |
| dc.identifier.eissn | 1550-2368 | - |
| dc.identifier.isi | WOS:000246891400039 | - |
| dc.identifier.issnl | 1550-2368 | - |