Theoretical astrophysics and plasma physics at RPC

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Orbital evolution of a planet on an inclined orbit interacting with a disc

(2012)

Authors:

Jean Teyssandier, Caroline Terquem, John CB Papaloizou
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Publisher’s Note: Observable signatures of extreme mass-ratio inspiral black hole binaries embedded in thin accretion disks [Phys. Rev. D 84, 024032 (2011)]

Physical Review D American Physical Society (APS) 86:4 (2012) 049907

Authors:

Bence Kocsis, Nicolas Yunes, Abraham Loeb
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The dynamics of inner dead-zone boundaries in protoplanetary discs

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 424:3 (2012) 1977-1990

Authors:

Henrik N Latter, Steven Balbus
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Freely decaying turbulence in two-dimensional electrostatic gyrokinetics

(2012)

Authors:

T Tatsuno, GG Plunk, M Barnes, W Dorland, GG Howes, R Numata
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Turbulent transport and heating of trace heavy ions in hot, magnetized plasmas

ArXiv 1207.5175 (2012)

Authors:

M Barnes, FI Parra, W Dorland

Abstract:

Scaling laws for the transport and heating of trace heavy ions in low-frequency, magnetized plasma turbulence are derived and compared with direct numerical simulations. The predicted dependences of turbulent fluxes and heating on ion charge and mass number are found to agree with numerical results for both stationary and differentially rotating plasmas. Heavy ion momentum transport is found to increase with mass, and heavy ions are found to be preferentially heated, implying a mass-dependent ion temperature for very weakly collisional plasmas and for partially-ionized heavy ions in strongly rotating plasmas.
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