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Department News and Colloquium

Physics & Astronomy Colloquium at CSU Long Beach

Colloquium

Self-Organized Pattern Formation in Thin Liquid Films

Michael Bestehorn
Chair of Statistical Physics & Nonlinear Dynamics, Brandenburg Technical University, Cottbus, Germany

Monday, December 1, 2014
11:15am, HSCI-103
(Refreshments served at 10:45am in HSCI-224)


Fig: Droplets on a horizontal substrate are moving laterally if the layer is vibrating with a certain frequency and amplitude.

In a liquid layer with a free surface several hydrodynamic instabilities may occur and may lead to self-organized pattern formation. The patterns can be seen as macroscopic motion of the fluid, surface deformations, temperature or concentration distributions etc. Their typical length scale is often linked to the layer’s depth. The first part of the talk gives an overview on pattern forming systems with emphasis on thin liquid films. In this case and for a partially wetting substrate (small contact angle) a reduced theoretical description based on the lubrication approximation is possible. In the second part, the Faraday instability for thin films is discussed. Recent results on droplet formation and motion in parametrically driven systems will be presented.

See the colloquium schedule and its archive of previous talks

Colloquia are scheduled to start Mondays at 11:15am sharp in Peterson Hall 2, Room 110 (PH2-110, map). Refreshments are served from 10:45am to 11:05am in Room HSCI-224 (next to the department office) and everyone is invited to mingle with faculty and students!

Coordinator:

For information and suggestions about the colloquium please contact the colloquium coordinator:
Prof. Prashanth Jaikumar, Phone: 562-985-5592, Email: pjaikuma@csulb.edu

Directions to Campus

  • Access to Campus
  • Campus Maps
  • Parking on campus: contact the coordinator of the colloquium. If not reachable, call the department office (562) 985-7925. If none of these are available at the time you need information, call (562) 985-4146 or go to the drive-through information booth at the main campus entrance (on Beach Drive, near the crossing to Bellflower).
  • Walk (or ask for a ride on an on-campus shuttle) to the department office: Hall of Sciences, Room 220 (HSCI-220). The coordinator will provide the necessary informations.
  • Any question or problem: call the colloquium coordinator or the department office (562) 985-7925.

Colloquia Sponsors:

We acknowledge with gratitude donations and support from the following present sponsors:

  • H.E. and H.B. Miller
  • Benjamin Carter
  • The American Physical Society
  • Anonymous

We also acknowledge with gratitude our past donors: The Forty-Niner Shops, Inc., The Northrop Grumman Foundation, Sandra Dana, Anonymous.

If you wish to support the Colloquium, please contact the colloquium coordinator or the department chair. Thank you!

Academic Year 2014-2015

Date Title Speaker and Affiliation
June 2 Development of Micro-Devices for Intra-Cellular Recordings in Awake Active Brains M. Barbic, HHMI
September 8 Physics Deparment Meet & Mix Faculty and
Students
September 15 Density Functional Theory: A great physics success story Kieron Burke, UC Irvine
September 22 BME/Medical Physics; Assisted management of cardiopulmonary diseases Christopher Druzgalski, CSULB
September 29 Radiationless Decay Studied by Time- Dependent Density Functional Theory Enrico Tapavicza, CSULB
October 6 Electronic correlations in multi-orbital systems and iron based superconductors Elena Bascones: ICMM, CSIC
October 13 Searches for Particle Dark Matter Tim Tait, UCI
October 20 Theoretical Approaches towards HIV Vaccine Designs and Prevention Efforts Ha Youn Lee, USC
October 27 Simulation and spectroscopy of many-body systems with cold atoms and molecules Wes Campbell, UCLA
November 3 Probing the Interior of Neutron Stars through Non-radial Oscillations Prashanth Jaikumar, CSULB
November 10 Spin Dynamics Applied to Iron Phthalocyanine Thomas Gredig, CSULB
November 17 Atomic, Molecular and Optical Physics: A Tool to Reveal and Harness Nature’s Most Cherished Secrets Wendell T. Hill, III, UMD
November 24 Understanding Stellar Neutrinos Michael Smy, UCI
December 1 Self-Organized Pattern Formation in Thin Liquid Films Michael Bestehorn, BTU (Germany)
December 8
December 10

Colloquia Schedule