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  1. We present a novel cosmological solution in the framework of extended quasidilaton theory which underwent scrutiny recently. We only consider terms that do not generate the Boulware-Deser degree of freedom, hence the "ghost-free" quasidilaton theory, and show three new branches of cosmological evolution therein. One of the solutions passes the perturbative stability tests. This new solution ...
    Author:A. Emir Gümrükçüoğlu, Kazuya Koyama, Shinji Mukohyama, Shinji MukohyamaPublished:2017
  2. link.aps.org

    We present a novel cosmological solution in the framework of extended quasidilaton theory which underwent scrutiny recently. We only consider terms that do not generate the Boulware-Deser degree of freedom, hence the ghost-free quasidilaton theory, and show three new branches of cosmological evolution therein. One of the solutions passes the perturbative stability tests. This new solution ...
    Author:A. Emir Gümrükçüoğlu, Kazuya Koyama, Shinji Mukohyama, Shinji MukohyamaPublished:2017
  3. pure.port.ac.uk

    Stable cosmology in ghost-free quasidilaton theory A. Emir Gu¨mru¨k¸cu¨o˘glu,1 Kazuya Koyama,2 and Shinji Mukohyama3,4 1Theoretical Physics Group, ... been shown to be perturbatively stable in dRGT theory and its extensions can be classified as follows: i) either homogeneity [10] or isotropy [11] in the fiducial and/or physical metrics ...
  4. harvest.aps.org

    Stable cosmology in ghost-free quasidilaton theory A. Emir Gümrükçüoğlu,1 Kazuya Koyama,2 and Shinji Mukohyama3,4 1Theoretical Physics Group, Blackett Laboratory, ... freedom, hence theghost-free quasidilaton theory, and show three new branches of cosmological evolution therein. One of the solutions passes the perturbative stability tests.
  5. ar5iv.labs.arxiv.org

    Abstract. We present a novel cosmological solution in the framework of extended quasidilaton theory which underwent scrutiny recently. We only consider terms that do not generate the Boulware-Deser degree of freedom, hence the ghost-free quasidilaton theory, and show three new branches of cosmological evolution therein. One of the solutions passes the perturbative stability tests.
  6. researchportal.port.ac.uk

    We only consider terms that do not generate the Boulware-Deser degree of freedom, hence the "ghost-free" quasidilaton theory, and show three new branches of cosmological evolution therein. One of the solutions passes the perturbative stability tests. ... 'Stable cosmology in ghost-free quasidilaton theory,' Phys. Rev. D. 96, 044041, can be ...
  7. inspirehep.net

    We present a novel cosmological solution in the framework of extended quasidilaton theory which underwent scrutiny recently. We only consider terms that do not generate the Boulware-Deser degree of freedom, hence the ghost-free quasidilaton theory, and show three new branches of cosmological evolution therein.
  8. Ref. [4]. The full proof of the ghost-freedom to all orders was given in [5]. Subsequently, the theory has also been shown to be BD ghost-free in the Lagrangian [6], as well as in the vierbein formalisms [7, 8]. An important property of the ghost-free theories of massive gravity is the existence of self-
  9. link.aps.org

    Boulware-Deser ghost free form of the construction. Quasidilaton massive gravity is one of such attempts to make the ducial metric dynamical. Here the quasidilaton acts as a conformal rescaling of the ducial metric and so can accommodate the expansion of the Universe in both metrics [16]. Unfortunately, in its original form the model su ers

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