• [1]

    X. Q. Li and G. R. Chen, Phys. Lett. B, 751:34(2015)

  • [2]

    P. Valtancoli, Ann. Phys. (NY,) 362:363(2015)

  • [3]

    H. S. Vieira, V. B. Bezerra and G. V. Silva, Ann. Phys. (NY), 362:576(2015)

  • [4]

    M. Sharif and S. Iftikhar, Eur. Phys. J. Plus, 131:427(2016)

  • [5]

    G. V. Kraniotis, Class. Quantum Grav., 33:225011(2016)

  • [6]

    B. Pourhassan, Mod. Phys. Lett. A, 31:1650057(2016)

  • [7]

    F. M. Andrade, C. Filgueiras and E. O. Silva, Adv. High Energy Phys., 2017:8934691(2017)

  • [8]

    H. S. Vieira and V. B. Bezerra, Ann. Phys. (NY), 373:28(2016)

  • [9]

    I. Sakalli, Phys. Rev. D, 94:084040(2016)

  • [10]

    T. P. Sotiriou and V. Faraoni, Rev. Mod. Phys., 82:451(2010)

  • [11]

    A. A. Starobinsky, Phys. Lett. B, 91:99(1980)

  • [12]

    S. Nojiri, S. D. Odintsov and D. Saez-Gomez, Phys. Lett. B, 681:74(2009)

  • [13]

    J. P. Morais Graa, V. B. Bezerra, Mod. Phys. Lett. A, 30:1550156(2015)

  • [14]

    J. P. Morais Graa, Class. Quantum Grav., 33:055004(2016)

  • [15]

    M. Hortasu, arXiv:1101.0471v9[math-ph] (2017)

  • [16]

    V. B. Bezerra, H. S. Vieira and A. A. Costa, Class. Quantum Grav., 31:045003(2014)

  • [17]

    A. S. Tarloyan, T. A. Ishkhanyan and A. M. Ishkhanyan, Ann. Phys. (Berlin), 528:264(2016)

  • [18]

    M. U. Dogru and D. Taşer, Mod. Phys. Lett. A, 30:1550217(2015)

  • [19]

    K. A. Bronnikov and M. S. Chernakova, Russ. Phys. J., 48:940(2005)

  • [20]

    P. A. R. Ade et al (Planck Collaboration), Astron. Astrophys., 571:A22(2014)

  • [21]

    J. P. Morais Graa, H. S. Vieira and V. B. Bezerra, Gen. Relativ. Gravit., 48:38(2016)

  • [22]

    J. Man and H. Cheng, Phys. Rev. D, 87:044002(2013)

  • [23]

    T. R. P. Carams, E. R. Bezerra de Mello and M. E. X. Guimares, Int. J. Mod. Phys. Conf. Ser., 03:446(2011)

  • [24]

    R. A. Konoplya and A. V. Zhidenko, Phys. Rev. D, 73:124040(2006)

  • [25]

    C. Ma, Y. Gui, W. Wang and F. Wang, Cent. Eur. J. Phys., 6:194(2008)

  • [26]

    A. Ronveaux, Heun's differential equations (New York:Oxford University Press, 1995)

  • [27]

    H. S. Vieira, V. B. Bezerra and C. R. Muniz, Ann. Phys. (NY), 350:14(2014)

  • [28]

    T. Damour and R. Ruffini, Phys. Rev. D, 14:332(1976)

  • [29]

    S. Sannan, Gen. Relativ. Gravit., 20:239(1988)