David Moss

David Moss
School of Mathematics
University of Manchester
Oxford Road
Manchester M13 9PL
England

phone: (+44) 0161 306 3630
fax: (+44) 0161 275 5819
email: moss@ma.man.ac.uk

Interests

• Magnetic fields in astrophysics: dynamo theory; the origin and evolution of stellar magnetic fields; the generation and maintenance of galactic magnetic fields, and their influence on the interstellar medium.
  
• Marine sponges (I used to have time ...), marine conservation, underwater photography

Some current/recent collaborators

• Axel Brandenburg (NORDITA, Stockholm): stellar, galactic and planetary dynamos.
• Reza Tavakol (QMW, London) on the solar dynamo, chaos in dynamos, and related issues.
• Ilya Usoskin (University of Oulu, Finland) on problems connected with solar activity and magnetism.
• Anvar Shukurov (University of Newcastle) on problems associated with galactic magnetic fields.
• John Brooke (Manchester Computing) on dynamo theory and associated dynamical issues.
• Rainer Beck and Marita Krause (Max Planck Institut fuer Radioastronomie, Bonn) on problems associated with galactic magnetic fields
• Dmitry Sokoloff (Moscow State University) on dynamo theory and galactic magnetic fields
• Leon Mestel (University of Sussex) on problems involving astrophysical magnetic fields
• Nathan Kleeorin and Igor Rogachevskii (Ben Gurion University) on dynamo modelling

Some recent publications (click here for a more complete list)

• "Modelling magnetic fields in spiral galaxies", Moss, D., 2012, Astronomy & Geophysics 53, 23-28
• "Reversals of the solar dipole", Moss, D., Kitchatinov, L.L., Sokoloff, D., 2012, A&A 550, L9
• "Magnetic field reversals and galactic dynamos", Moss, D., Sokoloff, D., 2012, GAFD DOI:10.1080/03091928.2012.732575
• "Ram pressure effects in the galactic plane and galactic dynamos in the no-$z$ approximation", Moss, D., Sokoloff, D., Beck, R., 2012, A&A 544, A5
• "Current helicity of active regions as a tracer of large-scale solar magnetic helicity", Zhang, H., Moss, D., Kleeorin, N., Kuzanyan, K., Rogachevskii, I., Sokoloff, D., Gao, Y., Xu, H., 2012, Astrophys. J. 751, 47
• "Multiscale magnetic fields in spiral galaxies: evolution and reversals", Moss, D., Stepanov, R., Arshakian, T., Beck, R., Krause, M., Sokoloff, D., Astron. Astrophys. 537, A68
• "What can we say about seed fields for galactic dynamos?", Sokoloff, D., Moss, D., 2013, GAFD, 107, 3-10. DOI:10.1080/03091929.2011.649750
• "Polar branches of stellar activity waves: Dynamo models", Sokoloff, D., Lanza, A.F., Moss, D.L., Tarbeeva, S.M., 2011, Astr. Nachr. 332, 876-879
• "Seed fields for galactic dynamos", Sokoloff, D., Moss, D., 2012, Astr. Astrophys. Trans., 27, 319-323
• "Polar branches of stellar activity waves: dynamo models and observations", Moss, D., Sokoloff, D., Lanza, A.F., 2011, A&A, 531, A43
• "Dynamo quenching alleviated by the solar wind and meridional flows", Mitra, D., Moss, D., Tavakol, R., Brandenburg, A., 2011, Astron. Astrophys. 526, A138
• "The saturation of galactic dynamos", Moss, D., Sokoloff, D., 2011, Astr. Nachr., 232, 88-91
• "Multiscale magnetic fields in spiral galaxies: evolution and reversals", Moss, D., Stepanov, R., Arshakian, T.G., Beck, R., Krause, M., Sokoloff, D., 2011, to appear in Astron. Astrophys.
• "Galactic winds and the symmetry properties of galactic magnetic fields", Moss, D., Sokoloff, D., Beck, R., Krause, M., 2010, A&A 512, A61
• "Sunspot cycles and Grand Minima", Sokoloff, D., Arlt, R., Moss, D., Saar, S.H., Usoskin, I., 2010, in Solar and Stellar Variability: Impact on Earth and Planets, Proc. 264 IAU Symp. Rio de Janeiro, Brazil, August 3-7, 2009, eds. A.G.Kosovichev, A.H.Andrei, J.-P.Rozelot, IAU, pp. 111-119
• "Simple laminar dynamos", Moss, D., 2010, Astr. Nachr. 331, 88-92
• "Dynamo generated toroidal magnetic fields in rapidly rotating stars", Moss, D., Sokoloff, D., 2009, Astron. Astrophys. 497, 829-833
• "Grand Minima of solar activity and the mean-field dynamo", Usoskin, I., Sokoloff, D., Moss, D., 2009, Sol. Phys., 254, 345-355
• "Solar Grand Minima and random fluctuations in dynamo parameters", Moss, D., Sokoloff, D., Usoskin, I., Tutabalin, V., 2008, Sol. Phys., 250, 221-234
• "The coexistence of odd and even parity magnetic fields in disc galaxies ", Moss, D., Sokoloff, D., 2008, A&A, 487, 197-203
• "What can we hope to know about the symmetry properties of stellar magnetic fields", Moss, D., Saar, S.H., Sokoloff, D., 2008, MNRAS 388, 416-420
• "The growth of human settlements during the Neolithic, clustering and food crisis", Fedotov, S., Moss, D., Campos, D., 2008, Phys. Rev. E., 78, 026107
• "Simple laminar dynamos: from two rolls to one", Moss, D., 2008, Geophys. Astrophys. Fl. Dyn., 102, 195-203
• "Mode enslavement in a two-layer stellar dynamo", Moss, D., Sokoloff, D., 2007, MNRAS, 377, 1597-1604
• "Long-term persistence of solar active longitudes and its implications for the solar dynamo theory", Usoskin, I.G., Berdyugina, S.V., Moss, D., Sokoloff, D.D., 2007, Adv. Space Res., 40, 951-958
• " Magnetic fields in barred galaxies: V. Modelling NGC 1365", Moss, D., Englmaier, P., Shukurov, A., Snodin, A., Beck, R., Sokoloff, D.D., 2007, Astron. Astrophys., 465, 157-170
• " Numerical simulation of the Gailitis dynamo", Moss, D., 2006, GAFD, 2006, 100, 49-58
• Kleeorin, N., Moss, D., Rogachevskii, I., Sokoloff, D., "Nonlinear galactic dynamo and magnetic helicity transport", 2006, AN, 327, 473
• "Magnetic fields in barred galaxies. IV. NGC 1097 and NGC 1365", Beck, R., Fletcher, A., Shukurov, A., Snodin, A., Sokoloff, D.D., Ehle, M., Moss, D., Shoutenkov, V., 2005, Astron. Astrophys., 444, 739-765
• "Active longitudes, nonaxisymmetric dynamos and phase mixing",Berdyugina, S.V., Moss, D., Sokoloff, D., Usoskin, I.G., 2006, Astron. Astrophys., 445, 703-714
• "The radial distribution of magnetic helicity in the solar convective shell: observations and dynamo theory", Zhang, H., Sokoloff, I., Rogachevskii, I., Moss, D., Lamburt, V., Kuzanyan, K., Kleeorin, N., 2006, MNRAS, 365, 276-286 (The definitive version of this article can be found at www.blackwell-synergy.com. The above version can be downloaded for use in accordance with the conditions specified by Blackwell's.)
• "Anharmonic and standing dynamo waves: Theory and observation of stellar magnetic activity", Baliunas, S., Frick, P., Moss, D., Popova, E., Sokoloff, D., Soon, W., 2006, MNRAS, 365, 181-190 (The definitive version of this article can be found at www.blackwell-synergy.com. The above version can be downloaded for use in accordance with the conditions specified by Blackwell's.)
• "The action of magnetic torques on the oblique rotator model for magnetic Ap stars", Mestel, L., Moss, D., 2005, MNRAS, 361, 595-601 (The definitive version of this article can be found at www.blackwell-synergy.com. The above version can be downloaded for use in accordance with the conditions specified by Blackwell's.)
• "Magnetic fields in A stars", Moss, D., 2005, in Proc. IAU Symp. 224 "The A-Star puzzle", J. Zverko, W.W. Weiss, J. Ziznovsky, S.J. Adelman, eds, p. 245-252
• " Dynamo models and differential rotation in late-type rapidly rotating stars", Covas, E., Moss, D., Tavakol, R., 2005, A&A, 429, 657-665
• " Nonaxisymmetric fields in rapidly rotating late-type stars", Moss, D., 2005, A&A, 432, 249-259
• "Dynamo models and the flip-flop phenomenon in late-type stars", Moss, D., 2004, MNRAS, 352, L17-L20
• "Nonlinear magnetic diffusion and magnetic helicity transport in galactic dynamos", Kleeorin N., Moss D., Rogaschevskii I., Sokoloff D., 2003, A\&A 400, 9-18
• "The survival of fossil magnetic fields during pre-main sequence evolution, Moss D., 2003, Astron. Astrophys, 403, 693-698
• "Magnetic helicity evolution during the solar activity cycle: observations and dynamo theory", Kleeorin, N., Kuzanyan, K., Moss, D., Rogachevskii, I., Sokoloff, D., 2003, Astron. Astrophys. 409, 1097-1105
• "Deep minima in stellar dynamos", Brooke J., Moss D., Phillips A., 2002, Astron. Astrophys. 395, 1013-1022
• "Nonaxisymmetric cool spot distributions and dynamo action in close binaries", Moss D., Piskunov N., Sokoloff D., 2002, Astron. Astrophys. 396, 885-893
• Moss D., 2001, "Galactic Dynamos", in "The origins of galactic magnetic fields", Proc. of JD14, IAU GA 12 2000, eds. Moss D., Beck R., Shukurov A., in Highlights of Astronomy Vol. 12, ed. H. Rickman (Astron. Soc. Pac. Conf. Ser.)
• Moss D., Beck R., Shukurov A., 2001, "Summary of the discussions", in "The origins of galactic magnetic fields", Proc. of JD14, IAU GA 12 2000, eds. Moss D., Beck R., Shukurov A., in Highlights of Astronomy Vol. 12, ed. H. Rickman (Astron. Soc. Pac. Conf. Ser.)
• Petrov A.P., Sokoloff D.D., Moss D.L., 2001,"Magnetic fronts and a two-component asymptotic analysis for galactic magnetic fields", Astronomicheskii Zhurnal 2001, 78 (7), 579-584 (translation in Astron. Rep. 2001, 45, 497-501)
• Moss D., 2001, "Magnetic fields in the Ap and Bp stars: a theoretical overview", in "Magnetic fields across the HR diagram", ed. G. Mathys, S.K. Solanki, D.T. Wickramsinghe (ASP Conf. Ser.), pp305-314
• "Dynamical variations of the differential rotation in the solar convection zone", Covas E., Tavakol R., Moss D., 2001, astro-ph/0012127, Astron. Astrophys. 371, 718-730
• "Galactic dynamos with captured magnetic flux and an accretion flow", Moss D., Shukurov A., 2001, astro-ph/0012436, Astron. Astrophys. 372, 1048-1063
• "Spatiotemporal fragmentation and the uncertainties in the solar rotation law", Covas E., Tavakol R., Vorontsov S., Moss D., 2001, Astron. Astrophys. 375, L260-263
• "Magnetic fields in barred galaxies: II. Dynamo models", Moss D., Shukurov A., Sokoloff D., Beck R., Fletcher A., 2001, Astron. Astrophys. 380, 55-71
• "Spatiotemporal fragmentation as a mechanism for the multiple period torsional oscillations in the solar convection zone", Covas E., Tavakol R., Moss D., 2000, Astron. Astrophys. 363, L13-L14.
• "Helicity balance and steady-state strength of the dynamo generated galactic magnetic field", Kleeorin N., Moss D., Rogachevskii I., Sokoloff D., 2000, Astron. Astrophys. 361, L5-L8.
• " Torsional oscillations in the solar convective zone", Covas E., Tavakol R., Moss D., Tworkowski A., 2000, Astron. Astrophys. 360, L21-L24.
• "Accretion and galactic dynamos", Moss D., Shukurov A., Sokoloff D., 2000, Astron. Astrophys. 358, 1142-1150.
• "The motion of magnetic fronts in spiral galaxies", Moss D., Petrov A., Sokoloff D., 2000, Geophys. Astrophys. Fluid Dyn. 92, 129-149.
• "Towards a model for the solar dynamo", Moss D., Brooke J., 2000, Mon. Not. R. astr. Soc. 315, 521-533.
• "Comment on `The sunspot as a self-excited dynamo'", Moss D., Brandenburg A., 1999, Astron. Astrophys. 346, 1009-1010.
• "Magnetic fronts in spiral galaxies", Sokoloff D., Moss D., Petrov A., 1999, in "Plasma turbulence and energetic particles in astrophysics", eds. M. Ostrowski & R. Schlickeiser (Cracow), pp. 92-97.
• "The motion of magnetic fronts in the `no-z' galactic dynamo model", Petrov A., Moss D., Sokoloff D., 2000, in Proc. of International Workshop "Strong magnetic fields in neutrino astrophysics", eds. A.V. Kuznetsov, M.V. Mikheev, A.Ya. Parkhomenko, Yaroslavl, Russia, October 5-8, 1999, pp. 190-196.
• "A dynamo model for the magnetic field of the weakly barred galaxy IC4214", Moss D., Rautiainen P., Salo H., 1999, Mon. Not. R. astr. Soc. 303,125-132
• "The influence of geometry and topology on axisymmetric mean-field dynamos", Covas E., Tavakol R., Tworkowski A., Brandenburg A., Brooke J., Moss D., 1999, Astron. Astrophys. 345,669-679.
• "Nonaxisymmetric solar magnetic fields", Moss D., 1999, Mon. Not. R. astr. Soc. 306, 300-306.
• "Vortex tube models for turbulent dynamo action", Bigazzi A., Brandenburg A., Moss D., 1999, Phys. of Plasmas, 6, 72-80.
• "Galactic dynamos driven by magnetic buoyancy", Moss D., Shukurov A., Sokoloff D., 1999, Astron. Astrophys. 343, 120-131.
• "The evolution of dynamo maintained magnetic fields in a barred galaxy", Moss D., Korpi M., Rautiainen P., Salo S., 1998, Astron. Astrophys. 329, 895-905
• "Intermittent behaviour in axisymmetric mean field dynamo models in spherical shells", Tworkowski A., Tavakol R., Brooke J.M., Brandenburg A., Moss D., Tuominen, I., 1998, Mon. Not. R. astr. Soc., 296, 287-295.
• " New results for the Herzenberg dynamo: steady and oscillatory solutions", Brandenburg A., Moss D., Soward A., 1998, Proc. R. Soc. A,454, 1283-1300.
• "The relation between magnetic and gas arms in spiral galaxies", Moss D., 1998, Mon. Not. R. astr. Soc., 297, 860-866.
• "The nature of the magnetic belt in M31", Moss D., Shukurov A., Sokoloff D.D., Beck R., Berkhuijsen E.M., 1998, Astron. Astrophys., 335, 500-509.
• "Boundary effects and propagating magnetic fronts in disc dynamos", Moss D., Shukurov A., Sokoloff D., 1998, GAFD, 89, 285-308
• "Dynamo generation of cosmic magnetic fields", Moss D., 1997, Contemporary Physics 38, 49-62.
• "A three-dimensional non-linear model for a galactic dynamo" Moss D., 1997, Mon. Not. R. astr. Soc., 289, 554-558.
• "Steady and oscillatory solutions for the Herzenburg dynamo", Moss D., Brandenburg A., Soward A., 1997, Acta Astron. Geophys. Univ. Com., XIX, 43-50.
• "Period changes of AR Lacertae between 1900 and 1989", Jetsu L., Pagano I., Moss D., Rodono M., Lanza A.F., Tuominen I., 1997, Astron. Astrophys. 326, 698-708.
• "Magnetic field generation in close binary systems", Moss D., Tuominen I., 1997, Astron. Astrophys. 321, 151-158.
• "Galactic magnetism: recent perspectives and developments", Beck R., Brandenburg A., Moss D., Shukurov A., Sokoloff D.D., 1996, Ann. Rev. Astron. Astrophys., 34, 155-206.
• "Turbulence and magnetic fields in elliptical galaxies", Moss D., Shukurov A., 1996, Mon. Not. R. Astr. Soc., 279, 229-239.
• "Parametric resonance and bisymmetric dynamo solutions in spiral galaxies", Moss D., 1996, Astron. Astrophys., 308, 381-386.
• "Dynamos in pre-main sequence stars: some effects of a relic field", Moss D., 1996, Astron. Astrophys., 305, 140-145.
• "The generation of nonaxisymmetric magnetic fields in giant planets", Moss D., Brandenburg A., 1996, GAFD, 80, 229-240.
• "Contrast structures and the generation of bisymmetric magnetic structure in M81", Moss D., 1996, Astron. Astrophys. 315, 63-70.
• "Nonaxisymmetric dynamo solutions and extended starspots on late-type stars", Moss D., Barker D.M., Brandenburg A., Tuominen I., 1995, Astron. Astrophys. 294, 155-164.
• "Galactic fountains as magnetic pumps", Brandenburg A., Moss D., Shukurov A., 1995, Mon. Not. R. astr. Soc., 276, 651-662.
• "Symmetry breaking in a dynamo model with torus geometry", Brooke J.M., Moss D., 1995, Astron. Astrophys., 303, 307-321.
• "On the generation of bisymmetric magnetic field structures by tidal interactions", Moss, D., 1995, Mon. Not. R. astr. Soc., 275, 191-194.
• "The magnetic Fields of the A and B stars", Moss D., 1994. In Proceedings of IAU Symposium 162 "Early Type Stars", ed L.A. Balona, H.F. Henrichs, J.M. LeContel (Kluwer), pp. 173-181.
• "Turbulent resistivity: a numerical experiment", Moss, D. L., 1971, unpublished (poor scan, prints better ...)