Pascale Garaud's Publications

Web-site hosted by the University of California at Santa Cruz.

Publication list

See the ADS for a complete publication list including all conference proceedings.

Refereed Journal Publications and significant conference proceedings (marked CP)

----------------- 2024 -----------------

Garaud, P., Chini, C. P., Cope, L., Shah, K., and Caulfield, C. P., "Numerical validation of scaling laws for stratified turbulence", submitted to JFM Rapids, ( ArXiv Link )
Tulekeyev, A., Garaud, P., Idini, B. and Fortney, J., " Constraints on the long-term existence of dilute cores in giant planets ", submitted to the Planetary Science Journal.
K. Shah, G. P. Chini, C. P. Caulfield and P. Garaud, "Regimes of stratified turbulence at low Prandtl number", submitted to JFM. ( ADS Link )
A. Fraser, S. Reifenstein and P. Garaud, " Magnetized fingering convection in stars" , ApJ, 964, 184 ( IOP Link )
P. Garaud, S. Khan, J. M. Brown, " The combined effects of vertical and horizontal shear instabilities, ApJ, 961, id. 220 ( ADS Link )

----------------- 2022 -----------------

A. Fraser, I. Cresswell and P. Garaud, " Non-ideal instabilities in sinusoidal shear flows with a streamwise magnetic field ",JFM, 949, A43 ( ADS Link )
A. Sanghi, A. Fraser, E. Tian and P. Garaud, " Magnetized oscillatory double-diffusive convection ", ApJ, 935, id33 ( ADS Link )

----------------- 2021 -----------------

S. Nasab and P. Garaud, "Preferential concentration by mechanically-driven turbulence in the two-fluid formalism " Physical Review Fluids, 6, 104303 ( ArXiv Link )
E. Chang and P. Garaud, " Modeling coexisting GSF and shear instabilities in rotating stars " MNRAS, 506, 4914-4932 ( ArXiv link )
L. Korre, N. Brummell, P. Garaud, and C. Guervilly "On the dynamical interaction between overshooting convection and an underlying dipole magnetic field -- I. The non-dynamo regime ", MNRAS, 503, 362-375 ( ADS Link )
P. Garaud, "Journey to the center of stars: the realm of low Prandtl number fluid dynamics", invited review, Physical Review Fluids, 6, 030501 ( ArXiv link )

----------------- 2020 -----------------

P. Garaud, "Horizontal shear instabilities at low Prandtl number", ApJ, 901, 146 ( ArXiv link ).
P. Garaud, "The tachocline revisited", invited review for the meeting Dynamics of the Sun and Stars: Honoring the Life and Work of Michael J. Thompson (Boulder, Colorado, 24-26 September 2019). ( arXiv link ).
S. Nasab and P. Garaud, "Preferential concentration in the particle-induced convective instability", Phys. Rev. Fluids, 5, 114308 ( ArXiv link )
L. Cope, P. Garaud and C. P. Caulfield, " The dynamics of stratified horizontal shear flows at low Peclet number , JFM, 903, A1 ( JFM link)
R. Ouillon, P. Edel, P. Garaud and E. Meiburg, "Settling-driven large-scale instabilities in double-diffusive convection", JFM, 901, A12 ( ADS link )
A. Kumar and P. Garaud, "Bounds on the drag coefficient for a flat plat in a uniform flow", J. Fluid Mech., 900, A6 ( JFM link )
P. Garaud, "Double-diffusive processes in stellar astrophysics" , lecture notes from the school on "Multi-Dimensional Processesin Stellar Physics", EDP Sciences ( ArXiv link )

----------------- 2019 -----------------

P. Garaud, A. Kumar and J. Sridhar, "The interaction between shear and fingering (thermohaline) convection ", ApJ, 879, 60 ( ADS link )
J. Schwab and P. Garaud, " Mixing via Thermocompositional Convection in Hybrid C/O/Ne White Dwarfs ", ApJ, 876, 10 ( ADS link )
L. Korre, P. Garaud and N. Brummell, " Convective overshooting and penetration in a Boussinesq spherical shell", MNRAS, 484, 1220 (ADS link)
P. Harrington and P. Garaud " Enhanced mixing in magnetized fingering convection, and implications for RGB stars", ApJ Letters, 870, L5 (ADS link)

This article was featured in the AAS NOVA
ERRATUM: in equations 20-22, the term in (1/rho) should not have been squared. The prefactors are however correct.

----------------- 2018 -----------------

S. Sengupta and P. Garaud, "The effect of rotation on fingering convection", ApJ 862, 136 (ADS link)
L. Kulenthirarajah and P. Garaud, "Turbulent transport by diffusive stratified shear flows: from local to global models. Part III: A closure model", ApJ 864, 107, ( ADS link )
D. Gagnier and P. Garaud, "Turbulent transport by diffusive stratified shear flows: from local to global models. Part II: The failure of local models", ApJ 862, 36, ( ADS link )
P. Garaud, "Double-diffusive convection at low Prandtl number", Annual Review of Fluid Mechanics, 50, ( ARFM link )

----------------- 2017 -----------------

R. Moll, P. Garaud, C. Mankovich, and J. Fortney, 2017, "Double-diffusive erosion of the core of Jupiter", ApJ, 849, 24 ( ADS link)
L. Korre, N. Brummell and P. Garaud, 2017, "Weakly compressible convection in a gaseous spherical shell", Phys. Rev. E., 96, 033104(ADS link)
A. Alsinan, E. Meiburg, and P. Garaud, 2017, "A settling-driven instability in two-component, stably stratified fluids", JFM, 816, 243-267 (JFM link)
P. Garaud, D. Gagnier, and J. Verhoeven, 2017, "Turbulent transport by diffusive stratified shear flows: from local to global models. Part I: Numerical simulations of a stratified plane Couette flow", ApJ, 837, 133 (ADS link)
J. Reali, P. Garaud, A. Alsinan and E. Meiburg, 2017, "Layer formation in sedimentary fingering convection", JFM, 816, 268-305, (JFM link)
R. Moll and P. Garaud, 2017, "The effect of rotation on oscillatory double-diffusive convection (semiconvection)", ApJ, 834, 44 (ADS link)
(Invited commentary, not refereed) P. Garaud, 2017, "The formation of diffusive staircases", Focus on Fluids, (Journal link)

----------------- 2016 -----------------

P. Garaud and L. Kulenthirarajah, 2016, "Turbulent transport in a strongly stratified forced shear layer with thermal diffusion", ApJ, 821, 49 (ADS Link)
R. Moll, P. Garaud and S. Stellmach, 2016, "A new model for mixing by double-diffusive convection (semi-convection) III. Thermal and compositional transport through non-layered ODDC", ApJ, 823, 33 (ADS Link)
K. Moore and P. Garaud, 2016, "Main Sequence evolution with layered semiconvection", ApJ, 817, 54. (ADS Link)

----------------- 2015 -----------------

P. Garaud and N. Brummell, 2015, "2D or not 2D: the effect of dimensionality on the dynamics of fingering convection at low Prandtl number", ApJ, 815, 42, (ADS Link)
P. Garaud, B. Gallet and T. Bischoff, 2015, "The stability of stratified spatially periodic shear flows at low Peclet number", Physics of Fluids, 27, id.084104 (ADS Link)
P. Garaud, M. Medrano, C. Mankovich, J. Brown, K. Moore, 2015, "Excitation of gravity waves by fingering convection, and the formation of compositional staircases in stellar interiors", ApJ, 808, 89 (ADS Link)

----------------- 2014 -----------------

V. Zemskova, P. Garaud, M. Deal and S. Vauclair, 2014, "Fingering convection induced by atomic diffusion in stars: 3D numerical computations and applications to stellar models", ApJ, 795, 118 (ADS Link)
M. Medrano, P. Garaud, and S. Stellmach, 2014, "Double-diffusive mixing in stellar interiors in the presence of horizontal gradients", ApJ, 792, L30 (ADS Link)

----------------- 2013 -----------------

CP: P. Garaud, 2013, "Double-diffusive convection", EAS Publication Series, 63, pp. 285-295, (ADS Link)
R. L. F. Oglethorpe and P. Garaud, 2013, "Spin-down dynamics of magnetized solar-type stars", ApJ, 778, 166 (ADS Link)
L. A. Acevedo-Arreguin, P. Garaud and T.S. Wood, 2013, "Dynamics of the solar tachocline III : Numerical solutions of the Gough and McIntyre Model", MNRAS, 434, 720 (ADS link)
J. Brown, P. Garaud and S. Stellmach, 2013, "Chemical Transport and Spontaneous Layer Formation in Fingering Convection in Astrophysics", ApJ, 768, 34 (ADS link)
T. S. Wood, P. Garaud and S. Stellmach, 2013, " A new model for mixing by double-diffusive convection (semi-convection). II. The transport of heat and composition through layers", ApJ, 768, 157 (ADS link)
P. Garaud, F. Meru, M. Galvagni, and C. Olczak, 2013, "From dust to planetesimals: an improved model for collisional growth in protoplanetary disks", ApJ, 764, 146 (ADS link)

----------------- 2012 -----------------

G. Mirouh, P. Garaud, S. Stellmach, A. Traxler and T. Wood, 2012. "A new model for mixing by double-diffusive convection (semi-convection): I. The conditions for layer formation", ApJ, 750, 61 (ADS link)

Erratum: The caption of Figure 3 should read "Temporal evolution of Nu_T" instead of the turbulent heat flux.
Erratum: The Formula in equation (32) should have 2k_n in the denominator instead of 2n, where k_n is the wavenumber of the layering mode

----------------- 2011 -----------------

T. Wood, J. McCaslin, & P. Garaud, 2011. "The Sun's Meridional Circulation and Interior Magnetic Field", ApJ, 738, 47 (ADS Link)
A. Traxler, S. Stellmach, P. Garaud, T. Radko & N. Brummell, 2011. "Dynamics of fingering convection I: small-scale fluxes and large-scale instabilities", JFM, 677, 530 (ADS Link)
S. Stellmach, A. Traxler, P. Garaud, N. Brummell & T. Radko, 2011. "Dynamics of fingering convection II: the formation of thermohaline staircases", JFM, 677, 554 (ADS Link)
E. Rosenblum, P. Garaud, A. Traxler & S. Stellmach, 2011. "Turbulent mixing and layer formation in double-diffusive convection: 3D numerical simulations and theory", ApJ, 731, 66 (ADS link)
A. Traxler, P. Garaud, & S. Stellmach, 2011. "Numerically determined transportlaws for fingering ("thermohaline") convection in astrophysics", ApJ, 728, L29, (ADS link)
P. Garaud, 2011. "What happened to the other Mohicans? The case for a primordial origin to the planet-metallicity connection", ApJ, 728, L30 (ADS link)

----------------- 2010 -----------------

P. Garaud, G. I. Ogilvie, N. Miller & S. Stellmach. "A model of the entropy flux and Reynolds stress in turbulent convection.", 2010, MNRAS, 407, 2451-2467 (ADS link)

ERRATUM: In equation (23), the term u'_i partial_j F_i on the rhs should have been u'_i partial_j F _j

P. Garaud & P. Bodenheimer. "Gyroscopic pumping of large-scale flows in stellar interiors, and application to Lithium Dip stars", 2010, ApJ, 719, 313-334 (ADS link)

----------------- 2009 -----------------

K. Kretke, D.N.C. Lin, P. Garaud & N. Turner, 2009. "Assembling the building blocks of giant planets around intermediate-mass stars", ApJ, 690, 407 (ADS link)
P. Garaud & C. Guervilly, 2009. "The rotation rate of the solar radiative zone", ApJ, 695, 799 (ADS link)
P. Garaud & L. Acevedo-Arreguin, 2009. "On the Penetration of Meridional Circulation below the Solar Convection Zone II: Models with Convection Zone, the Taylor-Proudman constraint and Applications to Other Stars.", ApJ, 704, 1-16 (ADS link)

----------------- 2008 -----------------

P. Garaud & N. H. Brummell, 2008. "On the penetration of meridional circulation below the solar convection zone", ApJ, 674, 498 (ADS link)

Erratum: typo in equation (30). d²u/ dy²dz² should of course be d⁴u/ dy²dz²

P. Garaud & J.-D. Garaud, 2008. "Dynamics of the solar tachocline II: the stratified case", MNRAS, 391, 1239-1258 (ADS link)

Erratum: typo in the last equation of (C4) in the Appendix (for J). T_2n-1 should be T_2n-2.

----------------- 2007 -----------------

P. Garaud & D.N.C. Lin, 2007. "The effect of internal dissipation and surface irradiation on the structure of disks and the location of the snow line around Sun-like stars", ApJ, 654, 606-624 (ADS link)
P. Garaud, 2007. "Growth and migration of solids in evolving protostellar disks I: Methods and Analytical tests", ApJ, 671, 209 (ADS link)

Erratum: typo in equation (76). dM_p/dt should be dM_p/dT.

P. Garaud, 2007. "Constraints on angular momentum transport in the Sun from simulations of the tachocline", Astronomische Nachricthen, 328, 1146-1149. Special edition for the proceedings of the 5th Potsdam Thinkshop on Meridional Flows, Differential Rotation, and Solar and Stellar Activity, (ADS link)

----------------- 2006 and earlier -----------------

P. Garaud & G. I. Ogilvie, 2005. "A model for the nonlinear dynamics of turbulent shear flows ", JFM, 530, 145-176 (ADS link)
P. Garaud, L. Barriere-Fouchet, D. N. C. Lin, 2004. "Individual and collective behavior of dust particles in a protoplanetary nebula", ApJ, 603, 292-306 (ADS link)
P. Garaud & D.N.C. Lin, 2004. " On the evolution and stability of a protoplanetary disk dust layer", ApJ, 608, 1050-1075 (ADS link)
P. Garaud, 2002. "On rotationally driven meridional flows in stars", MNRAS, 335, 707-711 (ADS link)
P. Garaud, 2002. "Dynamics of the solar tachocline: an incompressible study", MNRAS, 329, 1-17 (ADS link)
P. Garaud, 2001. "Latitudinal shear instability in the solar tachocline", MNRAS, 324, 68-76 (ADS link)
P. Garaud, 1999. "Propagation of a dynamo field in the solar interior", MNRAS, 304, 583-588 (ADS link)

Book Chapters

"Dynamics of the solar tachocline", Garaud, P., 2003, in Stellar Astrophysical Fluid Dynamics, ed. M.J. Thompson & J. Christensen Dalsgaard, Cambridge University Press (download pdf)
"Magnetic confinement of the solar tachocline" , P. Garaud, 2007 , in "The Solar Tachocline", Chapter 9, eds D. W. Hughes, R. Rosner and N. O. Weiss, Cambridge University Press (download pdf)

Technical Reports

"A Friendly and Free Parallel Block-Tridiagonal solver: User Manual.", by P. Garaud & J.-D. Garaud, 2007. (download pdf)
"A Friendly and Free Parallel 2-point ODE solver: User Manual.", by L. Acevedo-Arreguin, P. Garaud, & J.-D. Garaud 2010. (download pdf)

PHD Thesis

"Dynamics of the solar tachocline", P. Garaud, PhD Thesis, Cambridge University, April 2001 (download pdf).