Built on

S. Nojiri and S. D. Odintsov, “Unifying inflation with LambdaCDM epoch in modified f(R) gravity consistent with Solar System tests,” Phys. Lett. B 657
Original
1941
Earlier work this paper cites.
V. Miranda, S. E. Joras, I. Waga and M. Quartin, “Viable Singularity-Free f(R) Gravity Without a Cosmological Constant,” Phys. Rev. Lett. 102
Original
1941
Earlier work this paper cites.
F. Ozel and D. Psaltis, “Reconstructing the Neutron-Star Equation of State from Astrophysical Measurements,” Phys. Rev. D 80
Original
1959
Earlier work this paper cites.
X. Jaen, J. Llosa and A. Molina, “A Reduction of order two for infinite order lagrangians,” Phys. Rev. D 34
1986
Earlier work this paper cites.
H. Müther, M. Prakash and T.L. Ainsworth, “The nuclear symmetry energy in relativistic Brueckner-Hartree-Fock calculations,” Phys. Lett. B 199
1987
Earlier work this paper cites.
D. A. Eliezer and R. P. Woodard, “The Problem of Nonlocality in String Theory,” Nucl. Phys. B 325
1989
Earlier work this paper cites.
V.R. Pandharipande and D. G. Ravenhall, “Hot Nuclear Matter, in Nuclear Matter and Heavy Ion Collisions,” NATO ADS Ser. B 205
1989
Earlier work this paper cites.
H. Müller and B.D. Serot, “Relativistic mean-field theory and the high-density nuclear equation of state,” Nucl. Phys. A 606
1996
Earlier work this paper cites.
A. Akmal and V. R. Pandharipande, “Spin - isospin structure and pion condensation in nucleon matter,” Phys. Rev. C 56
1997
Earlier work this paper cites.
A. G. Riess et al
1998
Earlier work this paper cites.
S. Perlmutter et al
1999
Earlier work this paper cites.
N. K. Glendenning and J. Schaffner-Bielich, “First order kaon condensate,” Phys. Rev. C 60
1999
Earlier work this paper cites.
J. M. Lattimer and M. Prakash, “Neutron star structure and the equation of state,” Astrophys. J. 550
2001
Earlier work this paper cites.
F. Douchin and P. Haensel, “A Unified Equation of State of Dense Matter and Neutron Star Structure,” Astron. & Astrophys. 380
2001
Earlier work this paper cites.
D. N. Spergel et al
2003
Earlier work this paper cites.
A. G. Riess et al
2004
Earlier work this paper cites.
M. Tegmark et al
2004
Earlier work this paper cites.
P. Haensel and A. Y. Potekhin, “Analytical representations of unified equations of state of neutron-star matter,” Astron. Astrophys. 428
2004
Earlier work this paper cites.

Similar

M. C. B. Abdalla, S. Nojiri and S. D. Odintsov, “Consistent modified gravity: Dark energy, acceleration and the absence of cosmic doomsday,” Class. Quant. Grav. 22
2005
Cited alongside, same era.
M. Tegmark et al
2006
Cited alongside, same era.
D. N. Spergel et al
2007
Cited alongside, same era.
J. P. Uzan, “The acceleration of the universe and the physics behind it,” Gen. Rel. Grav. 39
2007
Cited alongside, same era.
S. Nojiri and S. D. Odintsov, “Introduction to modified gravity and gravitational alternative for dark energy,” eConf C0602061
2007
Cited alongside, same era.
S. Nojiri and S. D. Odintsov, “Newton law corrections and instabilities in f(R) gravity with the effective cosmological constant epoch,” Phys. Lett. B 652
Original

Then

S. Nojiri and S. D. Odintsov, “Singularity of spherically-symmetric spacetime in quintessence/phantom dark energy universe,” Phys. Lett. B 676
Original
2009
Later among the works it cites.
S. Tsujikawa, T. Tamaki and R. Tavakol, “Chameleon scalar fields in relativistic gravitational backgrounds,” JCAP 0905
Original
2009
Later among the works it cites.
A. Upadhye and W. Hu, “The existence of relativistic stars in f(R) gravity,” Phys. Rev. D 80
Original
2009
Later among the works it cites.
A. Cooney, S. DeDeo and D. Psaltis, “Gravity with Perturbative Constraints: Dark Energy Without New Degrees of Freedom,” Phys. Rev. D 79
Original
2009
Later among the works it cites.
F. Ozel, T. Guver and D. Psaltis, “The Mass and Radius of the Neutron Star in EXO 1745-248,” Astrophys. J. 693

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2010

Constraints on Perturbative f(R) Gravity via Neutron Stars

Arapoglu, A. Savas, Deliduman, Cemsinan, Eksi, K. Yavuz

Understand

We study the structure of neutron stars in perturbative f(R) gravity models with realistic equations of state.

We obtain mass-radius relations in a gravity model of the form f(R)=R+\alpha R^2.
We find that deviations from the results of general relativity, comparable to the variations due to using different equations of state (EoS'), are induced for |alpha| ~ 10^9 cm^2.
Some of the soft EoS' that are excluded within the framework of general relativity can be reconciled with the 2 solar mass neutron star recently observed for certain values of alpha within this range.

Built on

S. Nojiri and S. D. Odintsov, “Unifying inflation with LambdaCDM epoch in modified f(R) gravity consistent with Solar System tests,” Phys. Lett. B 657
Original
1941
Earlier work this paper cites.
V. Miranda, S. E. Joras, I. Waga and M. Quartin, “Viable Singularity-Free f(R) Gravity Without a Cosmological Constant,” Phys. Rev. Lett. 102
Original
1941
Earlier work this paper cites.
F. Ozel and D. Psaltis, “Reconstructing the Neutron-Star Equation of State from Astrophysical Measurements,” Phys. Rev. D 80
Original
1959
Earlier work this paper cites.
X. Jaen, J. Llosa and A. Molina, “A Reduction of order two for infinite order lagrangians,” Phys. Rev. D 34
1986
Earlier work this paper cites.
H. Müther, M. Prakash and T.L. Ainsworth, “The nuclear symmetry energy in relativistic Brueckner-Hartree-Fock calculations,” Phys. Lett. B 199
1987
Earlier work this paper cites.
D. A. Eliezer and R. P. Woodard, “The Problem of Nonlocality in String Theory,” Nucl. Phys. B 325
1989
Earlier work this paper cites.
V.R. Pandharipande and D. G. Ravenhall, “Hot Nuclear Matter, in Nuclear Matter and Heavy Ion Collisions,” NATO ADS Ser. B 205
1989
Earlier work this paper cites.
H. Müller and B.D. Serot, “Relativistic mean-field theory and the high-density nuclear equation of state,” Nucl. Phys. A 606
1996
Earlier work this paper cites.
A. Akmal and V. R. Pandharipande, “Spin - isospin structure and pion condensation in nucleon matter,” Phys. Rev. C 56
1997
Earlier work this paper cites.
A. G. Riess et al
1998
Earlier work this paper cites.
S. Perlmutter et al
1999
Earlier work this paper cites.
N. K. Glendenning and J. Schaffner-Bielich, “First order kaon condensate,” Phys. Rev. C 60
1999
Earlier work this paper cites.
J. M. Lattimer and M. Prakash, “Neutron star structure and the equation of state,” Astrophys. J. 550
2001
Earlier work this paper cites.
F. Douchin and P. Haensel, “A Unified Equation of State of Dense Matter and Neutron Star Structure,” Astron. & Astrophys. 380
2001
Earlier work this paper cites.
D. N. Spergel et al
2003
Earlier work this paper cites.
A. G. Riess et al
2004
Earlier work this paper cites.
M. Tegmark et al
2004
Earlier work this paper cites.
P. Haensel and A. Y. Potekhin, “Analytical representations of unified equations of state of neutron-star matter,” Astron. Astrophys. 428
2004
Earlier work this paper cites.

Similar

M. C. B. Abdalla, S. Nojiri and S. D. Odintsov, “Consistent modified gravity: Dark energy, acceleration and the absence of cosmic doomsday,” Class. Quant. Grav. 22
2005
Cited alongside, same era.
M. Tegmark et al
2006
Cited alongside, same era.
D. N. Spergel et al
2007
Cited alongside, same era.
J. P. Uzan, “The acceleration of the universe and the physics behind it,” Gen. Rel. Grav. 39
2007
Cited alongside, same era.
S. Nojiri and S. D. Odintsov, “Introduction to modified gravity and gravitational alternative for dark energy,” eConf C0602061
2007
Cited alongside, same era.
S. Nojiri and S. D. Odintsov, “Newton law corrections and instabilities in f(R) gravity with the effective cosmological constant epoch,” Phys. Lett. B 652
Original

Then

S. Nojiri and S. D. Odintsov, “Singularity of spherically-symmetric spacetime in quintessence/phantom dark energy universe,” Phys. Lett. B 676
Original
2009
Later among the works it cites.
S. Tsujikawa, T. Tamaki and R. Tavakol, “Chameleon scalar fields in relativistic gravitational backgrounds,” JCAP 0905
Original
2009
Later among the works it cites.
A. Upadhye and W. Hu, “The existence of relativistic stars in f(R) gravity,” Phys. Rev. D 80
Original
2009
Later among the works it cites.
A. Cooney, S. DeDeo and D. Psaltis, “Gravity with Perturbative Constraints: Dark Energy Without New Degrees of Freedom,” Phys. Rev. D 79
Original
2009
Later among the works it cites.
F. Ozel, T. Guver and D. Psaltis, “The Mass and Radius of the Neutron Star in EXO 1745-248,” Astrophys. J. 693

Beyond the bibliography

alphaXiv searches the wider corpus for related work and actual follow-ups.

Open on alphaXiv

alphaXiv is searching for related work…

2007

Cited alongside, same era.

W. Hu and I. Sawicki, “Models of f(R) Cosmic Acceleration that Evade Solar-System Tests,” Phys. Rev. D 76

Original

2007

Cited alongside, same era.

S. A. Appleby and R. A. Battye, “Do consistent F ⁡ ( R ) F(R) models mimic General Relativity plus Λ \Lambda ?,” Phys. Lett. B 654

Original

2007

Cited alongside, same era.

F. Briscese, E. Elizalde, S. Nojiri and S. D. Odintsov, “Phantom scalar dark energy as modified gravity: Understanding the origin of the Big Rip singularity,” Phys. Lett. B 646

2007

Cited alongside, same era.

S. Nojiri and S. D. Odintsov, “Modified f(R) gravity unifying R**m inflation with Lambda CDM epoch,” Phys. Rev. D 77

Original

2008

Cited alongside, same era.

G. Cognola, E. Elizalde, S. Nojiri, S. D. Odintsov, L. Sebastiani and S. Zerbini, “A Class of viable modified f(R) gravities describing inflation and the onset of accelerated expansion,” Phys. Rev. D 77

Original

2008

Cited alongside, same era.

D. Psaltis, “Probes and Tests of Strong-Field Gravity with Observations in the Electromagnetic Spectrum,” Living Reviews in Relativity , 11

Original