Talks

1. "Nonequilibrium Phase Transitions and Jamming For Reversible and Irreversible Dynamics in Many Particle Systems"
   Seminar, Center for Nonlinear Studies, Los Alamos National Laboratory, May 21, 2008.

2. "Colloids as a Model System to Explore Complex Matter"
   8th International Electrokinetics Conference, Santa Fe, New Mexico, May 19, 2008.

3. "Reversible and Irreversible Flow Transitions of Vortex Matter in Superconductors"
   Seminar, Research Center for Low Temperature Physics, Tokyo Institute of Technology, April 18, 2008.

4. "Reversible and Irreversible Flow Transitions of Vortex Matter in Superconductors"
   Seminar, Department of Basic Science, University of Tokyo, April 16, 2008.

5. "Reversible and Irreversible Flow Transitions of Vortex Matter in Superconductors"
   Seminar, Institute of Materials Science, University of Tsukuba, April 14, 2008.

6. "Colloids as a Model System to Explore Complex Matter with Competing Interactions"
   Colloquium, Department of Physics, Old Dominion University, March 18, 2008.

7. "Colloids as a Model System to Explore Complex Matter with Competing Interactions,"
   Colloquium Department of Physics, University of Idaho, Feb 25, 2008.

8. "Colloids as a Model System to Explore Complex Matter with Competing Interactions,"
   Colloquium, Department of Physics, Washington State University, Jan 29, 2008.

9. "Swimming Bacteria and Maxwell's Demon,"
   Seminar, Center for Nonlinear Studies, Los Alamos National Laboratory Dec 12, 2007.

10. "Colloids as a Model System to Explore Complex Matter,"
    Theoretical Physics Seminar, Department of Physics, Oxford University, Nov 9, 2007.

11. "Colloids as a Model System to Explore Complex Matter,"
    Nanoscience Seminar, Department of Physics, University of Bath, Nov 7, 2007.

12. "Colloids as a Model System to Explore Complex Matter,"
    Applied Mathematics Seminar, Department of Mathematics, Imperial College London, Nov 6, 2007.

13. "Colloids as a Model System to Explore Complex Matter,"
    Theoretical Physics Seminar, Department of Physics, University of Manchester, Nov 2, 2007.

14. "Colloids as a Model System to Explore Complex Matter,"
    Colloquium, Department of Physics, St Andrews University, Oct 30, 2007.

15. "Colloids as a Model System to Explore Complex Matter,"
    Condensed Matter Seminar, Department of Physics, Washington University, St Louis, Oct 15, 2007.

16. "Colloids as a Model System to Explore Complex Matter,"
    Condensed Matter and Biological Physics Seminar, Department of Physics, University of Pittsburgh, Oct 11, 2007.

17. "Hysteresis and Noise in Stripe and Clump Forming Systems,"
    SPIE Conference, Noise and Fluctuations in Circuits, Devices and Materials, Florence, Italy May, 23, 2007.

18. "Colloids as a Model System to Explore Complex Matter,"
    Colloquium Department of Physics, Rensselaer Polytechnic Institute, Feb 14, 2007.

19. "Colloids as a Model System to Explore Complex Matter,"
    Seminar, Department of Physics, Cornell University Feb 13, 2007 Feb 13, 2007.

20. "Colloids as a Model System to Explore Complex Matter,"
    Condensed Matter Seminar, Department of Physics, University of Rochester, Feb 12, 2007.

21. "Colloids as a Model System to Explore Complex Matter,"
    Condensed Matter Seminar, Department of Physics, University of Southern California, Oct 27, 2006.

22. "Colloids as a Model System to Explore Complex Matter,"
    Condensed Matter Seminar, Department of Physics, University of California Riverside, Oct 25, 2006.

23. "Colloids as a Model System to Explore Complex Matter,"
    Seminar, Department of Chemistry, University of California Los Angeles, Oct 24, 2006.

24. "Colloids as a Model System to Explore Complex Matter,"
    Condensed Matter Seminar, Department of Physics, University of California Santa Cruz, Oct 20, 2006.

25. "Colloids as a Model System to Explore Complex Matter,"
    Condensed Matter Seminar, Department of Physics, University of California Davis, Oct 19, 2006.

26. "Vortex Ordering and Ratchet Effects in Nanoscale Superconductors with One Dimensional Asymmetric Substrates,"
    International Conference on Mesoscopic Superconductivity and Magnetism, Chicago, Illinois, Sept 1, 2006.

27. "Vortex Configurations and Artificial Spin Ice in Elliptical Pinning Sites,"
    11th International Workshop on Vortex Matter, Wroclaw, Poland, July 4, 2006.

28. "Pattern Formation in Systems with Competing Interactions: Stripes, Checkerboards, and Bubbles,"
    Physics Department Seminar, Northwestern University, May 12, 2006.

29. "Condensed Matter Physics Models for Molecular and Nuclear Physics,"
    T-16 Nuclear Physics Group Seminar, Los Alamos National Laboratory, May 9, 2006.

30. "Pattern Formation in Systems with Competing Interactions: Stripes, Checkerboards, and Bubbles,"
    Materials Science and Engineering Seminar, Louisiana State University, April 26, 2006.

31. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Physics Department Seminar, University of Houston, April 3, 2006.

32. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Condensed Matter Seminar, University of Massachusetts Amherst, Mar 2, 2006.

33. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Physics Department Seminar, Florida State University, Feb 21, 2006.

34. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Physics Department Colloquium, Wayne State University, Feb 17, 2006.

35. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Physics Department Seminar, University of Dusseldorf, Germany, Nov 18, 2005.

36. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Physics Department Seminar, Ludwigs Maximilian University of Munich, Germany, Nov 14, 2005.

37. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Physics Department Colloquium , University of Ljubljana, Slovenia, Nov 10, 2005.

38. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Mechanical Engineering Seminar, Yale University, Oct 26, 2005.

39. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Physics Department Seminar, Emory University, Oct 25, 2005.

40. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Department of Engineering and Applied Sciences Seminar, Harvard University, Oct 19, 2005.

41. "Colloids in External Fields: Crystallization, Melting, and Dynamics,"
    Physics Department Colloquium, Virginia Tech, Oct 5, 2005.

42. "Pattern Formation in Systems with Competing Interactions: Stripes, Checkerboards, and Bubbles,"
    Condensed Matter Seminar, Indiana University, April 15, 2005.

43. "Charge Ordering, Heterogeneities, and Noise: Implications for the 2D Metal-Insulator Transition and Superconductivity,"
    T-11 Seminar, Los Alamos National Laboratory, April 11, 2005.

44. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Condensed Matter Seminar, University of Minnesota, Feb 10, 2005.

45. "Transport and Devices in Nanoscale Superconductors and Metallic Dot Arrays,"
    Physics Department Seminar, Vanderbilt University, Jan 28, 2005.

46. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Physics Department Colloquium, Vanderbilt University, Jan 27, 2005.

47. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Physics Department Colloquium, Colorado State University, Jan 24, 2005.

48. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Condensed Matter Seminar, University of Colorado Boulder, Jan 20, 2005.

49. "Dynamic Phases for Vortices in Superconductors and Stripes in 2DEG Systems,"
    Research Workshop of the Israel Science Foundation Correlated Electrons in High Magnetic Fields, Ein-Gedi/Holon, Israel, Dec 19, 2004.

50. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Condensed Matter Seminar, New York University, Nov 9, 2004.

51. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Condensed Matter Seminar, Syracuse University, Nov 5, 2004.

52. "Pattern Formation in Systems with Competing Interactions: Superconductors, Stripes, and Checkerboards,"
    Condensed Matter Seminar, Florida State University, Oct 29, 2004.

53. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Physics Department Colloquium, University of Central Florida, Oct 28, 2004.

54. "Pattern Formation in Systems with Competing Interactions: Superconductors, Stripes, and Checkerboards,"
    Condensed Matter Seminar, University of Florida, Oct 25, 2004.

55. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Condensed Matter Seminar, Brandeis University, Oct 6, 2004.

56. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Physics Department Colloquium, University of Iowa, Sept 27, 2004.

57. "Crystallization, Melting, and Jamming in Colloidal Systems with External Fields,"
    Physics Seminar, Iowa State University, Sept 24, 2004.

58. "Equilibrium and Nonequilibrium States for Colloids Interacting with External Fields,"
    Center for Nonlinear Studies Seminar, Los Alamos National Laboratory, Aug 24, 2004.

59. "Statics and Dynamics of Colloidal Particles in Periodic Traps,"
    SPIE Conference, Optical Trapping and Optical Micromanipulation, Denver CO, Aug 4, 2004.

60. "Crystallization, Melting and Jamming in Soft Matter Systems with External Fields,"
    Condensed Matter Theory Seminar, University of Antwerp, Antwerp Belgium, June 2, 2004.

61. "Noise Near Charge Ordering Transitions and the Freezing of Electron Glasses,"
    SPIE Conference, Fluctuations and Noise 2004, Gran Carnari, Spain, May 27, 2004.

62. "Crystallization, Melting, and Jamming in Soft Matter Systems with External Fields,"
    Condensed Matter Seminar, Michigan State University, May 12, 2004.

63. "Pattern Formation in Systems with Competing Interactions: Application to Materials Sciences,"
    Materials Research Center Seminar, University of Chicago, May 11, 2004.

64. "Pattern Formation in Systems with Competing Interactions: Applications to Materials Sciences,"
    Condensed Matter Seminar, University of California - Davis, May 3, 2004.

65. "Crystallization, Melting, and Jamming in Soft Matter Systems with External Fields,"
    Condensed Matter Seminar, University of California - Irvine, April 28, 2004.

66. "Equilibrium and Nonequilibrium States for Colloids Interacting with External Fields,"
    Department of Physics Colloquium, University of Arizona, Feb 13, 2004.

67. "Ratchet Superconducting Vortex Cellular Automata,"
    Arizona Days 2004, Los Alamos National Laboratory, Jan 31, 2004.

68. "Ratchet Superconducting Vortex Cellular Automata,"
    34th Winter Colloquium on the Physics of Quantum Electronics, Snowbird Utah, Jan 5, 2004.

69. "Equilibrium and Non-Equilibrium Studies of Colloids Using Computer Simulations,"
    Physics Seminar, University of Stuttgart, Stuttgart Germany, Sept 18, 2003.

70. "Dynamical States in Superconducting and Metallic Nanostructures,"
    Center for Nonlinear Studies Seminar, Los Alamos Laboratory, April 24, 2003.

71. "Dynamics in Superconducting and Metallic Nanostructures,"
    Solid State Seminar, Oregon State University, March 18, 2003.

72. "Investigating Static and Dynamic Colloidal States Using Computer Simulations,"
    Physics Department Colloquium, Oregon State University, March 17, 2003.

73. "Static and Dynamic Colloidal States on Patterned Substrates,"
    Condensed Matter and Statistical Physics Division Seminar, Los Alamos National Laboratory, Feb 4, 2003.

74. "Static and Dynamic Colloidal States on Patterned Substrates,"
    Physics Department Colloquium, North Dakota State University, Jan 27, 2003.

75. "Transverse Depinning of a Driven Elastic String in Disordered Media,"
    Miniworkshop, Department of Physics, University of New Mexico, Nov 15, 2002.

76. "Novel Colloidal States on Patterned Substrates,"
    Condensed Matter Seminar, University of Notre Dame, Nov 8, 2002.

77. "Novel Colloidal States on Patterned Substrates,"
    Physics Department Colloquium, University of Missouri-Columbia, Nov 5, 2002.

78. "Static and Dynamic Colloidal States on Patterned Substrates,"
    Materials Science Division Seminar, Argonne National Laboratory, June 12, 2002.

79. "Dynamics and Melting of Stripes, Bubbles, and Crystals with Quenched Disorder,"
    Center for Nonlinear Studies Seminar, Los Alamos National Laboratory, May 22, 2002.

80. "Dynamics and Melting of Stripes, Bubbles, and Crystals with Quenched Disorder,"
    Seminar, University of California - Davis, May 7, 2002.

81. Dynamics and Melting of Stripes, Bubbles, and Crystals with Quenched Disorder,"
    Condensed Matter Seminar, California Institute of Technology, May 6, 2002.

82. "Static and Dynamic Colloidal States on Patterned Substrates,"
    Physics Seminar, University of Konstanz, Konstanz, Germany, Apr. 6, 2002.

83. "Interference Effects in 2D and 1D Vortex Matter in Periodic Pinning Potentials with AC and DC Drives,"
    ESF Workshop on Structure and Arrangement of Vortices in Superconductors, Prague, Czech Republic, Apr. 3, 2002.

84. "Static and Dynamic Colloidal States on Patterned Substrates,"
    Physics Department Colloquium, Wesleyan University, Mar. 16, 2002.

85. "Static and Dynamic Colloidal States on Patterned Substrates,"
    Physics Department Colloquium, Emory University, Feb 12, 2002.

86. Static and Dynamic Colloidal States on Patterned Substrates,"
    Physics Department Colloquium, New Mexico State University, Jan 30, 2002.

87. "Vortex Pinball and Rectification in Superconductors with Periodic Pinning Sites and Crossed AC Drives,"
    VIII Vortex Physics Workshop, Bariloche, Argentina, Dec 1, 2001.

88. "Ordering and Dynamics of Vortices and Colloids on Periodic Substrates,"
    Seminar, Materials Science Division, Argonne National Laboratory, July 5, 2001.

89. "Static and Dynamic Vortex States in Layered Superconductors," Seminar, Applied Superconductivity Center,
    University of Wisconsin, Madison, June 26, 2001.

90. "Static and Dynamic Vortex States in Layered Superconductors,"
    Afternoon workshop on vortex matter, Gordon Research Conference - Condensed matter physics, Connecticut College, June 19, 2001.

91. "Ordering and Dynamics of Vortices and Colloids on Periodic Substrates,"
    Center for Nonlinear Studies Seminar, Los Alamos National Laboratory, April 15, 2001.

92. "Static and Dynamic Phases of Vortex Matter in Nanostructured Arrays,"
    Physics Department Colloquium, Worcester Polytechnic University, March 22, 2001.

93. "Transverse Phase Locking of Vortices Interacting with Periodic Substrates,"
    CLC Meeting, Lake Tahoe, Feb. 10, 2001.

94. "Hysteretic Depinning and Dynamical Melting For Magnetically Interacting Vortices,"
    CLC Meeting, Los Alamos National Laboratory, Sept. 22, 2000.

95. "Static and Dynamic Phases of Vortex Matter in Superconductors with Nanostructured Arrays,"
    Physics Department Seminar, Rensselaer Polytechnic Institute, March 31, 2000.

96. "Vortices Freeze Like Window Glass: The Vortex Molasses Scenario,"
    Invited Speaker, APS March Meeting, Minneapolis, MN, March 23, 2000.

97. "Static and Dynamic Phases of Vortex Matter in Superconductors with Nanostructured Arrays,"
    Physics Department Colloquium, University of Missouri, Rolla, March 9, 2000.

98. "Vortex Pinning and Dynamics in Superconductors with Rectangular Pinning Arrays,"
    CLC Meeting, University of California - San Diego, Jan. 29, 2000.

99. "Shapiro Steps in Driven Vortex Lattices in Periodic Pinning Arrays,"
    ESF Conference, Vortex Matter at Extreme Scales and Conditions, Crete, Greece, Sept. 18-24, 1999.

100. "Shapiro Steps in Driven Vortex Lattices in Periodic Pinning Arrays,"
     CLC Meeting, Los Alamos National Laboratory, Sept 13-17, 1999.

101. "Melting of Moving Vortex Lattices Interacting with Periodic Pinning Arrays,"
     CLC Meeting, University of California - Irvine, May 29, 1999.

102. "Vortex Pinning and Dynamics in Superconductors with Periodic Pinning Arrays,"
     Campus-Laboratory Collaboration (CLC) Meeting on Physics of Vortex Matter, University of California - Davis, Dec 19-20, 1998.

103. "Dynamic Phases in Superconductors with Periodic Pinning Arrays,"
     Physics Seminar, McMaster University, March 11, 1998.

104. "Commensurate and Incommensurate Vortex States in Superconductors with Periodic Pinning Arrays,"
     Argonne National Laboratory, Oct 20, 1997.

105. "Vortex Dynamics in Superconductors with Periodic Pinning Arrays," Workshop on Computational Superconductivity,
     Argonne National Laboratory, March 24-26, 1996.

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Conference and Workshop Contributed Talks and Participation

1. APS March Meeting,
   New Orleans, March 10-14, 2008.
   

2. Soft, Complex and Biological Matter Conference,
   Citta del Mare, Terrasini, Sicily, Italy, July 15-19, 2007.
   

3. APS March Meeting,
   Denver, Colorado, March 5-9, 2007.
   

4. 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors,
   Dresden, Germany, July 9-14, 2006.
   

5. APS March Meeting,
   Baltimore, Maryland, March 13-17, 2006.
   

6. 6th Liquid Matter Conference,
   Utrecht University, the Netherlands, July 2-6, 2005.

7. Gordon Conference: Condensed Matter, Soft Meets Hard,
   Connecticut College, New London, CT Jun 19-24, 2005.

8. APS March Meeting,
   Los Angeles, California, March 21-25, 2005.

9. APS March Meeting,
   Montreal, Quebec, Canada, March 22-26, 2004.

10. Third European Conference on Vortex Matter in Superconductors,
    Crete, Greece, Sept 20-28, 2003.

11. The Joint Ninth International Workshop on Vortex-Dynamics and Vortex Matter,
    Island of Oleron, France June 22-27, 2003.

12. SPIE Conference "Fluctuations and Noise 2003"
    Santa Fe, New Mexico, June 1-4, 2003

13. CNLS 23th Annual Conference-Networks: Structure, Dynamics and Function,
    Santa Fe, New Mexico, May 12-16, 2003.

14. APS March Meeting,
    Austin, Texas, March 3-7, 2003.

15. Aspen Center for Physics Conference Complex Quantum Order,
    Aspen Colorado, Feb 8-15, 2003.

16. Second Workshop on "Granular Flow and Kinetics"
    Argonne National Laboratory, Jan 18-21, 2003.

17. APS March Meeting,
    Indianapolis, Indiana, March 18-22, 2002.

18. International Conference on Nanobiology,
    Emory University, Oct 25-17 2001.

19. STATPHYS 21,
    Cancun, Mexico July 15-21 2001.

20. Gordon Research Conference: Condensed Matter Physics,
    Connecticut College, New London, CT, Jun 17-22 2001.

21. 21st CNLS Annual Conference: Principles of Soft Matter,
    Santa Fe, New Mexico, May 21-25, 2001.

22. APS March Meeting,
    Seattle, Washington, March 12-16, 2001.

23. California Coordinating Committee for Nonlinear Science Workshop hosted by University of California Irvine,
    Laguna Beach, California Feb 1-4, 2001

24. Joint Vortex Dynamics and ESF Vortex Conference,
    Lunteren, Netherlands, Aug 27-Sept 1, 2000.

25. APS March Meeting,
    Minneapolis MN, March 20-24, 2000.

26. 6th International Conference on Materials and Mechanisms of Superconductivity and High-Temperature Superconductors,
    Houston Texas, Feb 20-25, 2000.

27. International Workshop on Vortex Physics,
    Stanford University, June 1999.

28. APS Centennial Meeting,
    Atlanta Georgia, March 20-26, 1999.

29. APS March Meeting,
    Los Angeles, CA, March 16-20, 1998.

30. Midwest Solid State Theory Conference,
    Argonne National Laboratory, Oct 1997.

31. APS March Meeting,
    Kansas City, Missouri, March 17-21, 1997.

32. APS March Meeting,
    St Louis, Missouri, March 20-24, 1996.

33. APS March Meeting,
    San Jose, California, March 20-24, 1995.