That's me (with my son Marcel)
My address:
Dr Juergen Schmidt
Universitaet Potsdam
Nichtlineare Dynamik
Institut fuer Physik und Astronomie
Karl-Liebknecht-Str. 24/25, Haus28
14476 Potsdam Golm
Germany
jschmidt@agnld.uni-potsdam.de
phone: +49 (0) 331 977 1626
fax : +49 (0) 331 977 1045
I am working as a researcher at the University of Potsdam. My main research interests are statistical physics and celestial mechanics in general and I am particularly interested in the dynamics of planetary rings and the dynamics of circumplanetary dust.
Research interests
- The Cosmic Dust Analyzer onboard Cassini
- Instabilities in Planetary Rings
- Moonlets Embedded in Saturn's Rings
- Dust Formation at Enceladus
- Circumplanetary Dust Dynamics
Collaborations/Projects
- The Dust Group in Heidelberg
- Frank Spahn, Universitaet Potsdam
- Heikki Salo, University of Oulu, Finland
- Group of Larry Esposito, Boulder, USA, Miodrag Sremcevic and Nicole Albers
- Nikolai V. Brilliantov, University of Leicester, UK
Articles/opinions about my work
Awards:
NASA Group Achievement Award to the Cassini Cosmic Dust Analyzer Team 2009
Carl Ramsauer Preis 2002 of the Physikalische Gesellschaft zu Berlin
Publications
2012:
- A. Bodrova, J. Schmidt, F. Spahn, N. V. Brilliantov
- Adhesion and collisional release of particles in dense planetary rings
- Icarus doi:10.1016/j.icarus.2011.11.011
- Adhesion and collisional release of particles in dense planetary rings
- F. Postberg, J. Schmidt, J. Hillier, S. Kempf, and R. Srama
- A salt-water reservoir as the source of a compositionally stratified plume on Enceladus
- Nature doi:10.1038/nature10175
- A salt-water reservoir as the source of a compositionally stratified plume on Enceladus
- F. Postberg, E. Gruen, M. Horanyi, S. Kempf, H. Krueger, J. Schmidt, F. Spahn, R. Srama, Z. Sternovsky, M. Trieloff
- Compositional mapping of planetary moons by mass spectrometry of dust ejecta
- PSS 59, 1815
- Compositional mapping of planetary moons by mass spectrometry of dust ejecta
- S. Kempf, R. Srama, E. Gruen, A. Mocker, F. Postberg, J. Hillier, M. Horanyi, Z. Sternovsky, B. Abel, A. Beinsen, R. Thissen, J. Schmidt, F. Spahn, N. Altobelli
- Linear high resolution dust mass spectrometer for a mission to the Galilean satellites PSS doi:10.1016/j.pss.2011.12.019
- P. Schenk, D. P. Hamilton, R. E. Johnson, W. B. McKinnon, C. Paranicas, J. Schmidt, M. R. Showalter
- Plasma, plumes and rings: Saturn system dynamics as recorded in global color patterns on its midsize icy satellites
- Icarus doi:10.1016/j.icarus.2010.08.016
- Plasma, plumes and rings: Saturn system dynamics as recorded in global color patterns on its midsize icy satellites
- M. Seiss, F. Spahn and Juergen Schmidt
- Moonlet induced wakes in planetary rings: Analytical model including eccentric orbits of moon and ring particles
- Icarus 210, 298-317
- Moonlet induced wakes in planetary rings: Analytical model including eccentric orbits of moon and ring particles
- J. N. Cuzzi, J. A. Burns, S. Charnoz, R. N. Clark, J. E. Colwell, L. Dones, L. W. Esposito, G. Filacchione, R. G. French, M. M. Hedman, S. Kempf, E. A. Marouf, C. D. Murray, P. D. Nicholson, C. C. Porco, J. Schmidt, M. R. Showalter, L. J. Spilker, J. N. Spitale, R. Srama, M. Sremcevic, M. S. Tiscareno, J. Weiss
- An Evolving View of Saturn's Dynamic Rings
- Science 327, 1470-1475
- An Evolving View of Saturn's Dynamic Rings
- S. Kempf, U. Beckmann, J. Schmidt
- How the Enceladus Dust Plume Feeds Saturn's E ring
- Icarus 206, 446-457
- How the Enceladus Dust Plume Feeds Saturn's E ring
- H. Salo, J. Schmidt
- N-body Simulations of Viscous Instability of Planetary Rings
- Icarus 206, 390-409
- N-body Simulations of Viscous Instability of Planetary Rings
- J. Schmidt, K. Ohtsuki, N. Rappaport, H. Salo, F. Spahn
- Dynamics of Saturn's Dense Rings
- Chapter 14 in Saturn from Cassini, Springer, 2009, pp 413-458, Dougherty et al. Editors
- Dynamics of Saturn's Dense Rings
- F. Postberg, S. Kempf, J. Schmidt, N. Brilliantov, A. Beinsen, B. Abel, U. Buck, R. Srama
- Sodium Salts in E-Ring Ice Grains from an Ocean Below the Surface of Enceladus
- Nature 459, 1098-1101
- Sodium Salts in E-Ring Ice Grains from an Ocean Below the Surface of Enceladus
- G. H. Jones, C. S. Arridge , A. J. Coates, G. R. Lewis, S. Kanani, A. Wellbrock, D. T.
Young, F. J. Crary, R. L. Tokar, R. J. Wilson, T. W. Hill, R. E. Johnson, D. G. Mitchell,
J. Schmidt, S. Kempf, U. Beckmann, C. T. Russell, Y. D. Jia, M. K. Dougherty, J. H.
Waite Jr., B. A. Magee
- Fine Jet Structure of Electrically Charged Grains in Enceladus' Plume
- Geophyscial Research Letters 36:L16204
- Fine Jet Structure of Electrically Charged Grains in Enceladus' Plume
- Shepelyansky, D.L., Pikovsky, A.S., Schmidt, J., and Spahn, F.
- Synchronization mechanism of sharp edges in rings of Saturn.
- Monthly Notices of the Royal Astronomical Society, 395:1934-1940
- Synchronization mechanism of sharp edges in rings of Saturn.
- Schmidt, J., Brilliantov, N. V.
- Aggregation kinetics in a flow: The role of particle-wall collisions.
- European Physical Journal, ST, 171:15-20
- Aggregation kinetics in a flow: The role of particle-wall collisions.
- Schmidt, J., Brilliantov, N. V., Spahn, F., and Kempf,
S.
- Slow Dust in Enceladus' Plume from Condensation and Wall Collisions in Tiger Stripe Fractures
- Nature, 451:685-688
- Slow Dust in Enceladus' Plume from Condensation and Wall Collisions in Tiger Stripe Fractures
- Marty, B. et al., Kronos: exploring the depths of Saturn with probes and remote sensing through an international mission
- Experimental Astronomy
- Brilliantov, N.V., Schmidt, J., Spahn, F., Geysers of Enceladus: Quantitative analysis of qualitative models
- Planetary and Space Science, 56:1596
- Sremcevic, M., Schmidt, J., Salo, H., Seiß, M.,
Spahn, F., and Albers, N.
- A Belt of Moonlets in Saturn's A ring.
- Nature, 449:1019-1021.
- A Belt of Moonlets in Saturn's A ring.
- Brilliantov, N. V., Schmidt, J., and Spahn, F.
- Nucleation and Growth of a Solid Phase in a Gas Expanding into Vacuum.
- Inter. J. Mod. Phys., 18:676-648
- Nucleation and Growth of a Solid Phase in a Gas Expanding into Vacuum.
- Kempf, S., Beckmann, U., Moragas-Klostermeyer, G., Postberg, F., Srama, R. Economou, T., Schmidt, J., Spahn, F., and Gruen, E.
- The E Ring in the Vicinity of Enceladus I: Spatial Distribution and Properties of the Ring Particles.
- Icarus
- The E Ring in the Vicinity of Enceladus I: Spatial Distribution and Properties of the Ring Particles.
- Spahn, F., Albers, N., Hörning, M., Kempf, S., Krivov,
A. V., Makuch, M., Schmidt, J., Seiß, M., and Sremcevic,
M.
- E Ring Dust Sources: Implications from Cassini's Dust Measurements.
- Planetary and Space Science, 54:1024-1032.
- E Ring Dust Sources: Implications from Cassini's Dust Measurements.
- Spahn, F. and Schmidt, J.
- Saturn's Bared Mini-Moons.
- Nature, 440:614-615.
- Saturn's Bared Mini-Moons.
- Spahn, F., Schmidt, J., Albers, N., Hörning, M., Makuch,
M., Seiß, M., Kempf, S., Srama, R., Dikarev, V., Helfert, S.,
Moragas-Klostermeyer, G., Krivov, A. V., Sremcevic, M.,
Tuzzolino, A. J., Economou, T., and Grün, E.
- Cassini Dust Measurements at Enceladus and Implications for the Origin of the E Ring.
- Science, 311:1416-1418.
- Cassini Dust Measurements at Enceladus and Implications for the Origin of the E Ring.
- Montbrio, E., Pazo, D., and Schmidt, J.
- Time Delay in the Kuramoto Model with Bimodal Frequency Distribution.
- Physical Review E, 74: 056201
- Time Delay in the Kuramoto Model with Bimodal Frequency Distribution.
- Spahn, F. and Schmidt, J.
- Hydrodynamic Description of Planetary Rings.
- GAMM-Mitteilungen,29:118-143
- Hydrodynamic Description of Planetary Rings.
- Schmidt, J. and Salo, H.
- A Weakly Nonlinear Model for Viscous Overstability in Saturn's Dense Rings.
- Physical Review Letters, 90(6):061102.
- A Weakly Nonlinear Model for Viscous Overstability in Saturn's Dense Rings.
- Gordon, M. K., Cuzzi, J. N., Lissauer, J. J., Poulet, F., Brahic, A.,
Charnoz, S., Ferrari, C., Burns, J. A., Nicholson, P. D., Durisen, R. H.,
Rappaport, N. J., Spilker, L. J., Yanamandra-Fisher, P., Bosh, A. S., Olkin,
C., Larson, S. M., Graps, A. L., Krueger, H., Black, G. J., Festou, M.,
Karjalainen, R., Salo, H. J., Murray, C. D., Showalter, M. R., Dones, L.,
Levison, H. F., Namouni, F., Araki, S., Lewis, M. C., Brooks, S., Colwell,
J. E., Esposito, L. W., Horanyi, M., Stewart, G. R., Krivov, A. V., Schmidt,
J., Spahn, F., Hamilton, D., Giuliatti-Winter, S., and French,
R. G.
- Planetary rings. In Sykes, M. V., Ed. , The Future of Solar-System Exploration, p. 263-282. Univ. Arizona Press 2002.
- Hassan, M., Schmidt, J., Blasius, B., and Kurths, J.
- Jamming and Asymptotic Behavior in Competitive Random Parking of Bidisperse Cars.
- Physica A, 315:163.
- Jamming and Asymptotic Behavior in Competitive Random Parking of Bidisperse Cars.
- Hassan, M., Schmidt, J., Blasius, B., and Kurths, J.
- Jamming Coverage in Competitive Random Sequential Adsorption of a Binary Mixture.
- Physical Review E, 65(045107).
- Jamming Coverage in Competitive Random Sequential Adsorption of a Binary Mixture.
- Salo, H., Schmidt, J., and Spahn, F.
- Viscous Overstability in Saturn's B Ring: I. Direct Simulations and Measurement of Transport Coefficients.
- Icarus, 153:295-315.
- Viscous Overstability in Saturn's B Ring: I. Direct Simulations and Measurement of Transport Coefficients.
- Schmidt, J., Salo, H., Spahn, F., and Petzschmann, O.
- Viscous Overstability in Saturn's B Ring: II. Hydrodynamic Theory and Comparison to Simulations.
- Icarus, 153:316-331.
- Viscous Overstability in Saturn's B Ring: II. Hydrodynamic Theory and Comparison to Simulations.
- Spahn, F., Schmidt, J., Petzschmann, O., and Salo, H.
- Stability Analysis of a Keplerian Disk of Granular Grains: Influence of Thermal Diffusion.
- Icarus, 145:657-660.
- Stability Analysis of a Keplerian Disk of Granular Grains: Influence of Thermal Diffusion.
- Schmidt, J. and Kohler, C.
- Torsion Degrees of Freedom in the Regge Calculus as Dislocations on the Simplicial Lattice.
- General Relativity and Gravitation, 33:1799-1807.
- Torsion Degrees of Freedom in the Regge Calculus as Dislocations on the Simplicial Lattice.
- Schmidt, J., Salo, H., Petzschmann, O., and Spahn,
F.
- Vertical Distribution of Temperature and Density in a Planetary Ring.
- Astronomy and Astrophysics, 345:646-652.
- Vertical Distribution of Temperature and Density in a Planetary Ring.
- Spahn, F., Petzschmann, O., Thiessenhusen, K.-U., and Schmidt,
J.
- Inelastic Collisions in Planetary Rings: Thickness and Satellite-Induced Structures.
- In Physics of Dry Granular Media. Kluwer.
- Inelastic Collisions in Planetary Rings: Thickness and Satellite-Induced Structures.
- Spahn, F., Schmidt, J., and Sremcevic, M.
- Structures in Planetary Rings - Stability and Gravitational Scattering.
- In Freund, J. and Pöschel, T., Ed. , Stochastic Processes in Physics,Chemistry, and Biology, vol. 557 of Lecture Notes in Physics. Springer.
- Structures in Planetary Rings - Stability and Gravitational Scattering.
- Spahn, F., Petzschmann, O., Schmidt, J., Sremcevic, M., and Hertzsch,
J.
- Granular Viscosity, Planetary Rings and Inelastic Particle Collisions.
- In Pöschel, T. and Luding, S., Ed. , Granular Gases. Springer.
- Granular Viscosity, Planetary Rings and Inelastic Particle Collisions.
Invited Talks
- Dynamics of planetary rings, Nonequilibrium Dynamics in Astrophysics and Material Science October 31 - November 3, 2011, Yukawa Institute, Kyoto, Japan
- Dynamics of Enceladus' Plume Particles and the Compositional Profile of the Plume, EPSC-DPS 2011 Nantes, 02-07 October 2011
- Saturns geheimnisvoller Eismond Enceladus, Lange Nacht der Wissenschaften Berlin-Potsdam, 18. Mai 2011
- Circumplanetary Dust Rings, COSPAR 2010 Bremen, 18-24 July 2010
- The Enceladus Dust Plume: Observations and Scenarios for Particle Formation, Dusty Visions Goettingen, 14-16 July 2010
- Cassini: Bei den Monden des Saturn, Lange Nacht der Wissenschaften Berlin-Potsdam, 5. Juni 2010
- How the Enceladus dust plume feeds Saturn's E ring, EGU Congress in Vienna, May 7 2010
- The Icy Breath of the Giant: Ice Particles from Saturn's Active Moon Enceladus, Max-Planck Institute for Dynamics and Self-Organization, Dynamics of Complex Fluids, Goettingen, April 22, 2010
- Die Staubringe der Gasriesen, Bruno H. Buergel Sternwarte Berlin, Feb 13, 2010
- Saturns geheimnisvoller Eismond Enceladus, Lange Nacht der Wissenschaften Berlin-Potsdam, 13. Juni 2009
- Saturns geheimnisvoller Eismond Enceladus, Urania Berlin, Jan 22, 2009
- Geysers and Plumes on Enceladus, 2nd ISSI-Europlanet Workshop `Moons of the Outer Solar System: Exchange Processes Involving the Interiors', Nov 17-27, 2008, Bern
- The Icy Breath of the Giant: Formation and Dynamics of Icy Grains in Enceladus' Plume, University of Leicester, Nov 14 2008
- Propeller Structure Induced in Saturn's Rings by Embedded Moonlets, Nov 10, 2008, DAMTP Astrophysical Fluids Seminar, University of Cambridge, UK
- Saturn's Main Rings: A Dense Granular System, Conference "Granular Gases Beyond the Dilute Limit", Sept. 7-12, 2008, Bayreuth, Germany
- The Dynamics of Saturn's Dense Rings, Symposium Saturn After Cassini-Huygens, 28th July- 1st August 2008, Imperial College, London, UK
- Viscous Overstability in Saturn's Rings, 23rd July 2008, Laboratoire de Radioastronomie ENS, Paris
- Structure in Saturn's Rings: Modelling and Cassini Data, June 2008, Kolloquium of the SFB "Complex Systems" at the Fritz Haber Institute, Berlin
- The Formation of Enceladus' Dust Plume, June 2008, AOGS Meeting in Busan, Korea, Session "Outer Planets and Satellites with an Athmosphere"
- The Dynamics of Saturn's Dense Rings, January 2008, Saturn After Cassini-Huygens Meeting, Pasadena
- Modelling Cassini Data of Saturn's Rings, 15. January 2008, Nonlinear Dynamics Seminar, University of Bayreuth
- Cassini am Saturn, 14. Dez. 2007, Public Presentation at the Buergel Sternwarte, Berlin
- Moonlets Embedded in Saturn's Rings, 2007, Planetenseminar des Deutschen Luft und Raumfahrtzentrums, Adlershof, Berlin
- Cassini Dust Measurements at Enceladus, Okt. 2005, Department of Astronomy, University of Oulu, Finland
- Cassini CDA Dust Measurements at Enceladus, 09. Nov. 2005, Planetenseminar des Deutschen Luft und Raumfahrtzentrums, Adlershof, Berlin
Organization of Workshops and Conference Sessions
- EPSC-DPS 2011, Nantes: Planetary Rings (with Josh Colwell, Frank Spahn, and Matthew Tiscareno)
- 5th European Planetary Science Congress 2010, Rome: Enceladus (with Frank Postberg and Athena Coustenis)
- 5th European Planetary Science Congress 2010, Rome: Planetary Rings (with Frank Spahn)
- Dusty Visions, 14-16 July 2010, Goettingen, (with H Krueger, J Blum, C Engrand, S Green, A Graps, E Gruen, M Horanyi, A Krivov, R Srama, M Trieloff)
- ISSI Team: Enceladus As an Active Moon 2009-2010 in Bern (with Sascha Kempf)
- 4th European Planetary Science Congress 2009, Potsdam: Planetary Rings (with Frank Spahn)
- 6th meeting of the AOGS 2009 in Singapore: Satellites, Rings and Icy Dwarf Planets in the Outer Solar System (with Jun Kimura, Athena Coustenis, Steve Vance, and Hauke Hussmann)
- The Enigma of Enceladus: Observation and Modeling 2009 in Leicester, Uk (with Nicolai V. Brilliantov)
- 3rd European Planetary Science Congress 2008, Muenster: Planetary Rings (with Frank Spahn)
- 5th meeting of the AOGS 2008 in Busan: Satellites and Rings in the Outer Solar System (with Hauke Hussmann, Athena Coustenis, Jun Kimura, Steve Vance)
- 2nd European Planetary Science Congress 2007, Potsdam: The Enceladus Plume and Solar System Dust Rings (with Frank Spahn)
- 2nd European Planetary Science Congress 2007, Potsdam: Dense Planetary Rings (with Frank Spahn)
- 4th meeting of the AOGS 2007 in Bankog: Satellites, Rings, and icy Dwarf Planets in the Outer Solar System (with Hauke Hussmann, Athena Coustenis, Jun Kimura, Frank Sohl)
- 3rd meeting of the AOGS 2006 in Singapore: Satellites and Rings in the Outer Solar System (with Frank Sohl, Hauke Hussmann, Athena Coustenis)
- 1st European Planetary Science Congress 2006, Berlin: Planetary Rings - Formation and Structures (with Frank Spahn)
- Supercomputing in Climate Research (2nd Helmholtz Summer School 2002)
- Tools to Simulate Turbulence (1st Helmholtz Summer School 2001 in Potsdam)