Search Results - "Rice, W K M"

Star Formation Around Supermassive Black Holes by Bonnell, I.A, Rice, W.K.M

“…The presence of young massive stars orbiting on eccentric rings within a few tenths of a parsec of the supermassive black hole in the galactic center is…”
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Particle acceleration and coronal mass ejection driven shocks: A theoretical model by Zank, G. P., Rice, W. K. M., Wu, C. C.

“…There is increasing evidence to suggest that energetic particles observed in “gradual” solar energetic particle (SEP) events are accelerated at shock waves…”
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The chemistry of protoplanetary fragments formed via gravitational instabilities by Ilee, J. D., Forgan, D. H., Evans, M. G., Hall, C., Booth, R., Clarke, C. J., Rice, W. K. M., Boley, A. C., Caselli, P., Hartquist, T. W., Rawlings, J. M. C.

“…Abstract In this paper, we model the chemical evolution of a 0.25 M⊙ protoplanetary disc surrounding a 1 M⊙ star that undergoes fragmentation due to…”
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Time-dependent models of the structure and stability of self-gravitating protoplanetary discs by Rice, W. K. M., Armitage, Philip J.

“…Angular momentum transport within young massive protoplanetary discs may be dominated by self-gravity at radii where the disc is too weakly ionized to allow…”
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Have protoplanetary discs formed planets? by Greaves, J. S., Rice, W. K. M.

“…It has recently been noted that many discs around T Tauri stars appear to comprise only a few Jupiter masses of gas and dust. Using millimetre surveys of discs…”
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Testing the locality of transport in self-gravitating accretion discs — II. The massive disc case by Lodato, G., Rice, W. K. M.

“…In this paper, we extend our previous analysis (Paper I) of the transport properties induced by gravitational instabilities in cooling, gaseous accretion discs…”
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The role of disc self-gravity in the formation of protostars and protostellar discs by Rice, W. K. M., Mayo, J. H., Armitage, Philip J.

“…We use time-dependent, one-dimensional disc models to investigate the evolution of protostellar discs that form through the collapse of molecular cloud cores…”
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Accelerated planetesimal growth in self-gravitating protoplanetary discs by Rice, W. K. M., Lodato, G., Pringle, J. E., Armitage, P. J., Bonnell, I. A.

“…In this paper we consider the evolution of small planetesimals (radii ∼1–10 m) in marginally stable, self-gravitating protoplanetary discs. The drag force…”
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Acceleration and transport of heavy ions at coronal mass ejection-driven shocks by Li, Gang, Zank, G. P., Rice, W. K. M.

“…It is now widely accepted that large solar energetic particle (SEP) events are associated with coronal mass ejection (CME)‐driven shocks. Here, particles are…”
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Axisymmetric modes in vertically stratified self-gravitating discs by Mamatsashvili, G. R., Rice, W. K. M.

“…We carry out a linear analysis of the vertical normal modes of axisymmetric perturbations in stratified, compressible, self-gravitating gaseous discs in the…”
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Vortices in self-gravitating gaseous discs by Mamatsashvili, G. R., Rice, W. K. M.

“…Vortices have recently received much attention in the research of planet formation, as they are believed to play a role in the formation of km-sized…”
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Why are there so few hot Jupiters? by Rice, W. K. M., Armitage, Philip J., Hogg, D. F.

“…We use numerical simulations to model the migration of massive planets at small radii and compare the results with the known properties of ‘hot Jupiters’…”
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Towards a population synthesis model of self-gravitating disc fragmentation and tidal downsizing II: the effect of fragment–fragment interactions by Forgan, D H, Hall, C, Meru, F, Rice, W K M

“…Abstract It is likely that most protostellar systems undergo a brief phase where the protostellar disc is self-gravitating. If these discs are prone to…”
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On the Formation Timescale and Core Masses of Gas Giant Planets by Rice, W. K. M, Armitage, Philip J

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The role of the energy equation in the fragmentation of protostellar discs during stellar encounters by Lodato, G., Meru, F., Clarke, C. J., Rice, W. K. M.

“…In this paper, we use high-resolution smoothed particle hydrodynamics (SPH) simulations to investigate the response of a marginally stable self-gravitating…”
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Dust filtration at gap edges: implications for the spectral energy distributions of discs with embedded planets by Rice, W. K. M., Armitage, Philip J., Wood, Kenneth, Lodato, G.

“…The spectral energy distributions (SEDs) of some T Tauri stars display a deficit of near-infrared flux that could be a consequence of an embedded Jupiter-mass…”
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Testing the locality of transport in self-gravitating accretion discs by Lodato, G., Rice, W. K. M.

“…In this paper, we examine the issue of characterizing the transport associated with gravitational instabilities in relatively cold discs, discussing in…”
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Planetesimal formation in self‐gravitating discs by Gibbons, P. G., Rice, W. K. M., Mamatsashvili, G. R.

“…ABSTRACT We study particle dynamics in local two‐dimensional simulations of self‐gravitating accretion discs with a simple cooling law. It is well known that…”
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Stability of self-gravitating discs under irradiation by Rice, W. K. M., Armitage, P. J., Mamatsashvili, G. R., Lodato, G., Clarke, C. J.

“…Self-gravity becomes competitive as an angular momentum transport process in accretion discs at large radii, where the temperature is low enough that external…”
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Convergence of smoothed particle hydrodynamics simulations of self-gravitating accretion discs: sensitivity to the implementation of radiative cooling by Rice, W. K. M., Forgan, D. H., Armitage, P. J.

“…Recent simulations of self-gravitating accretion discs, carried out using a three-dimensional smoothed particle hydrodynamics (SPH) code by Meru & Bate, have…”
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