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  • Other Sources  (7)
  • Crustal deformation (cf. Earthquake precursor: deformation or strain)  (4)
  • Astrophysics  (3)
  • GJI
  • 2000-2004  (5)
  • 1980-1984  (2)
  • 1
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    Gravity anomalies and flexure of the lithosphere at mountain ranges (1983)
    In:  J. Geophys. Res., Amsterdam, Elsevier Scientific Publishing Company, vol. 88, no. 1-4, pp. 10449-10474, pp. 1012, (ISSN: 1340-4202)
    Details
    Publication Date: 1983
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Gravimetry, Gravitation ; Tectonics ; JGR
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Observations of flexure and the rheology of oceanic lithosphere (2000)
    In:  Geophys. J. Int., Taipei, AGU, vol. 142, no. 3, pp. 855-875, pp. B06304, (ISSN: 1340-4202)
    Details
    Publication Date: 2000
    Keywords: Rheology ; Inelastic ; isostasy ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; GJI
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Isostasy and Flexure of the Lithosphere (2001)
    Cambridge Univ. Press
    In:  New York, Cambridge Univ. Press, vol. 10, no. 1, pp. 1-40, (ISBN 0-521-62272-7, ISBN 0-521-00600-7 paper)
    Details
    Publication Date: 2001
    Keywords: Textbook of geophysics ; Gravimetry, Gravitation ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Tectonics ; density
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Subsidence history and tectonic evolution of Atlantic-type continental margins (1982)
    Am. Geophys. Union & Geol. Soc. Am.
    In:  Bull., Open-File Rept., Dynamics of Passive Margins, Washington, D.C., Am. Geophys. Union & Geol. Soc. Am., vol. 24, no. 16, pp. 184-196, (ISBN 1-86239-165-3, vi + 330 pp.)
    Details
    Publication Date: 1982
    Keywords: Plate tectonics ; passive ; margins ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geol. aspects
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    BIBLIOGRAPHY SEISMOLOGY
  • 5
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    Regularizing the r-mode Problem for Nonbarotropic Relativistic Stars (2004)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: We present results for r-modes of relativistic nonbarotropic stars. We show that the main differential equation, which is formally singular at lowest order in the slow-rotation expansion, can be regularized if one considers the initial value problem rather than the normal mode problem. However, a more physically motivated way to regularize the problem is to include higher order terms. This allows us to develop a practical approach for solving the problem and we provide results that support earlier conclusions obtained for uniform density stars. In particular, we show that there will exist a single r-mode for each permissible combination of 1 and m. We discuss these results and provide some caveats regarding their usefulness for estimates of gravitational-radiation reaction timescales. The close connection between the seemingly singular relativistic r-mode problem and issues arising because of the presence of co-rotation points in differentially rotating stars is also clarified.
    Keywords: Astrophysics
    Format: application/pdf
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  • 6
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    Modeling the Spin Equilibrium of Neutron Stars in LMXBs Without Gravitational Radiation (2004)
    In:  Other Sources
    Details
    Publication Date: 2019-07-11
    Description: In this paper we discuss the spin-equilibrium of accreting neutron stars in LMXBs. We demonstrate that, when combined with a naive spin-up torque, the observed data leads to inferred magnetic fields which are at variance with those of galactic millisecond radiopulsars. This indicates the need for either additional spin-down torques (eg. gravitational radiation) or an improved accretion model. We show that a simple consistent accretion model can be arrived at by accounting for radiation pressure in rapidly accreting systems (above a few percent of the Eddington accretion rate). In our model the inner disk region is thick and significantly sub-Keplerian, and the estimated equilibrium periods are such that the LMXB neutron stars have properties that accord well with the galactic millisecond radiopulsar sample. The implications for future gravitational-wave observations are also discussed briefly.
    Keywords: Astrophysics
    Type: astro-ph/0411747-v1
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    The Oscillations and Stability of Differentially Rotating Neutron Stars (2004)
    In:  Other Sources
    Details
    Publication Date: 2019-07-18
    Description: Studies of the oscillations and stability of neutron stars are motivated by the fact that vibrating neutron stars are a promising source of gravitational waves. One important factor is the influence of differential rotation, which is likely to arise in a neutron star at times, such as the immediate aftermath of the supernova, when we expect strong vibrations. I will discuss two phenomena unique to differentially rotating systems: dynamical shear instabilities, and the existence of a co-rotation band (a frequency band in which mode pattern speed matches the local angular velocity). Using a simple model, we have found dynamical shear instabilities that arise where modes cross into the co-rotation band, if the degree of differential rotation exceeds a certain threshold. We are currently investigating whether this mechanism operates in more realistic stellar models, and whether it is responsible for the dynamical instabilities occurring at low ratios of kinetic to potential energy that have been observed by several authors. I will present the latest results of these studies. Another topic of investigation is the nature of oscillations within the co-rotation band. The band gives rise to a continuous spectrum whose collective physical perturbation exhibits complicated temporal behaviour. I will also discuss the existence of modes within the continuous spectrum that appear physically indistinguishable from the discrete modes outside the band, despite the apparently singular nature of their eigenfunctions.
    Keywords: Astrophysics
    Type: GR17 International Conference on General Relativity and Gravitation; Jul 18, 2004 - Jul 23, 2004; Dublin, Ireland; United Kingdom
    Format: text
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