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  1. 2041
    “…Breaking of 4D diffeomorphism (Diff) invariance down to the foliation-preserving Diff in Hořava-Lifshitz (HL) gravity leads to appearance of a scalar degree of freedom in the gravity sector, khronon, which describes dynamics of the time foliation. …”
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    Enlace del recurso
    Inflationary perturbations with Lifshitz scaling
  2. 2042
    por Salvio, Alberto, Strumia, Alessandro
    Publicado 2017
    “…The self-interactions of the conformal mode of the graviton are controlled, in dimensionless gravity theories (agravity), by a coupling $f_0$ that is not asymptotically free. …”
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    Enlace del recurso
    Agravity up to infinite energy
  3. 2043
    “…HYPOTHESIS: Compared with gravity-minimized exercises, upright-assisted exercises will generate larger electromyographic (EMG) activity. …”
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    Online Artículo Texto
    An Electromyographic Evaluation of Subdividing Active-Assistive Shoulder Elevation Exercises
  4. 2044
    por Roux, Stanley J
    Publicado 2012
    “…Gravity has major effects on both the form and overall length of root growth. …”
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    Online Artículo Texto
    Root waving and skewing - unexpectedly in micro-g
  5. 2045
    “…During hypocotyl gravitropic response, the PIN3 auxin transporter polarizes within gravity‐sensing cells to redirect intercellular auxin fluxes. …”
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    Enlace del recurso
    Online Artículo Texto
    Genetic screen for factors mediating PIN polarization in gravistimulated Arabidopsis thaliana hypocotyls
  6. 2046
    “…In the last five decades, the gauge approach to gravity has represented a research area of increasing importance for our understanding of the physics of fundamental interactions. …”
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    Gauge theories of gravitation: a reader with commentaries
  7. 2047
    por 't Hooft, Gerard
    Publicado 2019
    “…--HTML-->In theories such as asymptotically safe gravity, conformal symmetry is treated as a symmetry for the ultra-violet limit of quantum gravity. …”
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    Conformal symmetry as an exact symmetry with Higgs mechanism (TH colloquium)
  8. 2048
    “…Astrophysical bounds severely limit the possibility of observing collider signals of gravity with less than 3 flat extra dimensions. However, small distortions of the compactified space can lift the masses of the lightest graviton excitations, evading astrophysical bounds without affecting collider signals of quantum gravity. …”
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    Enlace del recurso
    Graviton collider effects in one and more large extra dimensions
  9. 2049
    “…In particular we discuss how it is possible to recover, under the same standard, the teleparallel f(T) gravity, the curvature f(R) gravity, and the teleparallel–curvature f(R, T) gravity, which are particular cases of f(T, B). …”
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    Online Artículo Texto
    Noether symmetry approach in f(T, B) teleparallel cosmology
  10. 2050
    “…Starting from the Lagrangians selected by the Noether symmetries, it is possible to derive several modified theories of gravity like f(R) gravity, Brans–Dicke gravity, string inspired gravity and so on. …”
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    Online Artículo Texto
    Classification of the Horndeski cosmologies via Noether symmetries
  11. 2051
    por Christof, Wetterich
    Publicado 2019
    “…In particular, quantum gravity determines the ratio of Higgs boson mass and top quark mass. …”
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    Quantum Scale Symmetry
  12. 2052
    “…We present a simple algebraic argument for the conclusion that the low energy limit of a quantum theory of gravity must be a theory invariant, not under the Poincare group, but under a deformation of it parameterized by a dimensional parameter proportional to the Planck mass. …”
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    Quantum symmetry, the cosmological constant and Planck scale phenomenology
  13. 2053
    “…Gravity surveys are an important research topic in geophysics and geodynamics. …”
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    Online Artículo Texto
    Experimental Investigations on Airborne Gravimetry Based on Compressed Sensing
  14. 2054
    por Crowell, Lawrence B
    Publicado 2005
    “…Three key aspects of quantum gravity are considered in this book: phenomenology, potential experimental aspects and foundational theory. …”
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    Quantum Fluctuations of Spacetime
  15. 2055
    por Holdom, Bob
    Publicado 2019
    “…--HTML-->We encounter these demons on the path towards a UV complete QFT of gravity and a horizonless replacement for black holes. …”
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    A ghost and a naked singularity: facing our demons
  16. 2056
    “…In this work, we revisit the problem in a different but equally valid formulation of gravity, namely the Palatini formulation, where the Ricci scalar is solely determined by connection. …”
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    Axion quality problem and nonminimal gravitational coupling in the Palatini formulation
  17. 2057
    “…The present study aims at clarifying the dynamics of hook formation including the possible involvement of gravity. Time-course studies with normal Alaska pea (Pisum sativum L., cv. …”
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    Online Artículo Texto
    Analysis of apical hook formation in Alaska pea with a 3-D clinostat and agravitropic mutant ageotropum
  18. 2058
    “…Gravity is a permanent environmental signal guiding plant growth and development. …”
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    Online Artículo Texto
    Both gravistimulation onset and removal trigger an increase of cytoplasmic free calcium in statocytes of roots grown in microgravity
  19. 2059
    “…The modeling approach is to integrate analytical method and experimental method. The local gravity model is derived from allometric scaling and global gravity model, and then the parameters of the local gravity model are estimated by observational data and least squares calculation. …”
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    Online Artículo Texto
    Gravitational scaling analysis on spatial diffusion of COVID-19 in Hubei Province, China
  20. 2060
    por Vacaru, Sergiu I.
    Publicado 2013
    “…We study how massive ghost-free gravity $f(R)$-modified theories, MGFTs, can be encoded into generic off-diagonal Einstein spaces. …”
    Enlace del recurso
    Enlace del recurso
    Ghost-Free Massive $f(R)$ Theories Modelled as Effective Einstein Spaces and Cosmic Acceleration
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