TCU DEPARTMENT of PHYSICS and ASTRONOMY

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TCU Box 298840
Fort Worth, TX 76129
Phone: (817) 257-7375
Fax: (817) 257-7742
Email:physics@tcu.edu

This page maintained
by Kaoru Yoshida

Fall 2002 Seminar Information

Friday September 13 at 2.00 p.m.
Tucker Technology Center, TTC 139
(Professional Development Center)

Dissertation:

Sal Portillo
Department of Physics and Astronomy
TCU

Absolute doubly differential bremsstrahlung cross sections from rare gas atoms

Refreshments and the Dissertation Oral Examination will follow

Sponsor: Dr. Quarles

 

Cecil and Ida Green Honors Chair in Physics, 2002

Thursday September 26
3:00 p.m.

Tucker Technology Center, TTC 139
(Professional Development Center)

Dr. Pat Richard
Cortelyou-Rust Distinguished Professor
Director, J R Macdonald Laboratory
Physics Department, KSU

Multiply Excited States of Ions and Atoms

Coffee will be served after the talk

For further information and directions to the campus call Department at 817-257-7375

Sponsor: Dr. Quarles

Monday October 7 at 3.00 p.m.
Tucker Technology Center, TTC 139
(Professional Development Center)

Dissertation:

Darron Robbins
Department of Physics and Astronomy
TCU

Spectroscopic and Theoretical Studies of Novel Germanium-Carbon and Mixed Germanium-Silicon-Carbon Clusters

Refershments served at 2:45 p.m. in TTC 139
Dissertation Oral Examination will follow

Sponsor: Drs. Graham and Rittby

Thursday October 24 at 7.00 p.m.
Tucker Technology Center, TTC 139
(Professional Development Center)
Refreshments will follow

Dr. David Ceperley
Department of Physics
University of Illinois at Urbana-Champaign

Atom Scale Simulations: From Classical to Quantum

Sponsor: Dr. Miller

Friday October 25 at 3.00 p.m.
Tucker Technology Center, TTC 139
(Professional Development Center)
Refreshments will follow

Dr. David Ceperley
Department of Physics
University of Illinois at Urbana-Champaign

Path Integrals and High Pressure Hydrogen

Sponsor: Dr. Miller

Friday November 8 at 1.00 p.m.
SWR 357
Refreshments will follow

Pre-Dissertation:

Greg Sherman
Department of Physics and Astronomy
TCU


Interferometric Probing of Microscale Materials

Sponsor: Dr. Bradley

Tuesday November 12 at 3.00 p.m.
Tucker Technology Center, TTC 139
(Professional Development Center)
Refreshments will follow

Dr. Gleb Gribakin
Department of Applied Mathematics and Theoretical Physics
Queens Unviersity Belfast

How do vibrations enhance positron-molecule annihilation by a factor of 1000?

Sponsor: Dr. Quarles/TCU-RF

Friday December 6 at 3.00 p.m. in TTC 139
Refreshments will follow

Dr. Manfred Cuntz
Department of Physics
University of Texas at Arlington

Orbital Stability and Habitability of Terrestrial Planets in the 47 UMa System

Abstract: I will discuss whether Earth-type habitable planets can in principle exist in the 47 UMa planetary system. The system of 47 UMa consists of two Jupiter-type planets outside the stellar habitable zone, and thus resembles our own Solar System most closely compared to all exosolar planetary systems discovered to date. The definition of habitability follows the concept previously introduced by Franck et al. (2000a,b) [Tellus 52B, 94; J. Geophys. Res. 105, E1, 1651], which assumes the long-term possibility of photosynthetic biomass production under geodynamic conditions. Based on this concept, it is argued that Earth-type habitable planets around 47 UMa are in principle possible! The likelihood of those planets critically depends on the assumed parameters of the planetary surface models. The likelihood also depends on the assumed stellar luminosity/age, considering that these parameters dictate the extent of the stellar habitable zone. Clearly, habitable planets are impossible outside of 1.25 AU, as those planets would be orbitally unstable due to the gravitational influence of the two giant planets.

Sponsor: Dr. Marcum