THE BOSTON AREA PHYSICS CALENDAR
        Week of February 11-February 17, 1996

The Boston Area Physics Calendar is published weekly during 
the academic year by the Department of Physics and Astronomy 
at Tufts University.  You may send your announcements by 
e-mail (bapc@tuhepa.phy.tufts.edu) or FAX:(617-627-3878).  
We cannot accept announcements by telephone.  Entries should 
reach us no later than 11:00am on the Monday preceding the week 
of the event. ENTRIES RECEIVED AFTER THE DEADLINE WILL NOT 
BE PUBLISHED.           
                
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				Monday, February 12, 1996
				
               		Lincoln's Birthday
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Monday, February 12,1996, 11:45 a.m.

Northeastern University
High Energy Seminar 
218 Dana 
``Results from LEP140''
PROFESSOR JOHN SWAIN
Northeastern University
Refreshments will be served at 11:30 a.m. 
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Monday, February 12,1996, 2:00 p.m.

Massachusetts Institute of Technology
Monday Research Seminar 
Building 6, Third Floor
``A Confinement &  Deconfinement Transition in 
3 - Dimensional Hot QED''
DR. GIANLUCA GRIGNANI
University of Perugia 
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Monday, February 12,1996, 4:00 p.m.

Northeastern University
CIRCS Seminar 
114 Dana
``Lattice Gas Automatica:  Microscopics to Macroscopics''
DR. H. BUSSEMAKER
University of Maryland
Refreshments will be served at 3:45 p.m. 
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Monday, February 12,1996, 4:00 p.m.

Worcester Polytechnic Institute
Colloquium 
Olin Hall, Room 107
``Intersubband Lasing Lifetimes in Si-based Multiple 
Quantum Well Structures''
DR. GREGORY SUN
University of Massachusetts, Boston
Refreshments will be served in Olin 118 at 3:45 p.m. 
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Monday, February 12,1996, 4:30 p.m.

Brown University
Colloquium
Barus \char38 \enskip Holley, Room 168
``What do we know about fundamental 
symmetries from atomic physics?''
PROFESSOR Y. KHRIPLOVITCH
Harvard University \char38 \enskip Novosibirsk University
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Monday, February 12,1996, 4:30 p.m.

Harvard University
Colloquium
Jefferson 250
``Monochromatic Computed Tomography with Synchrotron Radiation''
DR. F. AVRAHAM DILMANIAN
Brookhaven National Laboratory
Tea will be served in Jefferson 461 at 4:00 p.m.
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Monday, February 12,1996, 5:00 p.m.

Massachusetts Institute of Technology
Nuclear Theory Seminar
Jefferson 250
``Neutral pion photo production on nuclei in baryon 
chiral perturbation theory''
SILAS BEANE
Duke University

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				 Tuesday, February 13, 1996 
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Tuesday, February 13,1996, 12:00 noon

Massachusetts Institute of Technology
Seminar on Modern Optics and Spectroscopy 
Ronald E. McNair Building
Marlar Lounge (37-252)
``Laser Spectroscopy of H and $He^+$''
PROFESSOR MALCOLM G. BOSHIER
Yale University 
Refreshments will be served following the Seminar.
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Tuesday, February 13,1996, 2:30 p.m.

Brandeis University
Theoretical Seminar 
Physics Building, Room 229
``Title: To Be Announced''
PROFESSOR GERALD HOROWITZ
Tel Aviv University 
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Tuesday, February 13,1996, 2:30 p.m.

Tufts University
Joint Tufts-MIT-CFA Cosmology Seminar 
Anderson Hall, Room 211
``Hawking's chronology protection conjecture current
status and prospects''
DR. MATT VISSER
Washington University 
 
Abstract:
 
I will discuss the current status of Hawking's chronology protection
conjecture.  This conjecture states that no "reasonable and 
realistic" model for the universe based on the principles of (semi-classical) 
general relativity can possess or develop closed time-like curves.  [This
is a fancy way of saying that you can't build a time machine.]  I shall
discuss the conjecture both from the point of view of mathematics (proving 
theorems) and from the point of view of physics (to what extent do the
theorems reflect physical reality). 
 
Refreshments will be served at 2:00 p.m. in the
Knipp Physics Library.
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Tuesday, February 13,1996, 4:00 p.m.

Brandeis University
Colloquium, Martin Weiner Lecture Series 
Physics Building, Abelson 131
``Plasma Instabilities in Low Dimensional
Solid State Systems: Generators for TeraHertz Radiation?''
PROFESSOR PRADIP M. BAKSHI
Boston College 
Refreshments will be served in Room 333 at 3:30 p.m.
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Tuesday, February 13,1996, 4:30 p.m.

Harvard University
Harvard-M.I.T. Mathematical Physics Seminar 
Science Center 507
``Self-Dual Fields and Strings in Six Dimensions''
ROBBERT DIJKGRAAF
University of Amsterdam 

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				Wednesday, February 14, 1996 

					Happy Valentine's Day!   
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Wednesday, February 14,1996, 4:00 p.m.

Harvard-Smithsonian Center for Astrophysics
Scientific Colloquium 
60 Garden Street (Phillips Auditorium)
``COBE Cosmology and Observation of the Interstellar Medium''
DR. JOHN MATHER
 Goddard Space Flight Center 
 
Abstract:
 
The three COBE instruments (DMR, FIRAS, and DIRBE)
cover 4 decades of wavelength from 1 micron to 1 cm.  They observed the
cosmic microwave background radiation, stars, interplanetary dust, and
many components of the interstellar medium: warm, cold and very cold
dust, cirrus clouds, electrons, atoms, ions, and molecules.  I will
review the COBE results on the large scale distribution and properties
of all of these components, and their effects on cosmology.   There is
evidence for a very cold dust component around 7 K that is spatially
correlated with ordinary 20 K dust. Ionized carbon and nitrogen
emissions are also strongly correlated with the dust emissions but trace
different phases of the medium.   The electrons trace a warm low density
medium that is correlated with H-alpha emission and extends far above
the Galactic plane. 
 
Tea will be served at 3:30 p.m.
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Wednesday, February 14,1996, 4:30 p.m.

 Boston University
 Joint Theory Seminar 
Physics Research Building (3 Cummington Street)
Room 593
``The Dynamics of Exotic Textures''
DR. SEAN CARROLL
 Massachusetts Institute of Technology 
 Refreshments will be served at 4:00 p.m.
 Please call (353-2600) one day in advance for parking.
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Wednesday, February 14,1996, 5:00 p.m.

 Harvard University/Center for Astrophysics
 Joint Atomic Physics Seminar 
Jefferson Laboratory, Room 356
``Quantum State Manipulation of Trapped Ions
and Quantum Computation''
DR. DAVID WINELAND
 NIST-Boulder 
 Tea will be served at 4:30 p.m.

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				Thursday, February 15, 1996 
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Thursday, February 15,1996, 12:00 noon

Harvard University
Condensed Matter Theory Seminar 
Pierce 100F
``Bridging Length Scales in Materials Modeling: Mixed
Atomistic and Continuum Models''
ROB PHILLIPS
 Brown University 
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Thursday, February 15,1996, 1:30 p.m.

 Harvard University
 Materials Science Seminars
David Turnbull Room (402)
Gordon McKay Laboratory
``Disorderly Surface Growth''
PROFESSOR H. EUGENE STANLEY
 Boston University 
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Thursday, February 15,1996, 3:00 p.m.

Harvard University
Special Theoretical Seminar 
David Turnbull Room \char40 402\char41 
Gordon McKay Laboratory
``Black holes from strings''
DR. MIRJAM CVETIC
 Institute for Advanced Study
Boston University 
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Thursday, February 15,1996, 4:00 p.m.

Clark University
Physics Colloquium 
Sackler Science Center, Room N-105
``Magnetism in Nanostructured Materials: What
Happens when there is more Grain Boundary that Grain''
DR. DIANDRA L. LESLIE-PELECKY
 Center for Materials Research \char38  \enskip Analysis
University of Nebraska 
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Thursday, February 15,1996, 4:00 p.m.

Harvard-Smithsonian Center for Astrophysics
Scientific Colloquium 
60 Garden Street (Phillips Auditorium)
``Big-Bang Cosmology: Successes and Challenges''
DR. MICHAEL S. TURNER
 University of Chicago, Fermi Laboratory 

Abstract:
 
The hot big-bang model is remarkably successful.  It provides a
reliable and tested account of the Universe from
about 0.01 sec until the present as well as
a robust framework for speculating about
events that happened as early as $10^{-43}\,$sec.
The challenges in cosmology include
determining the quantity and composition of
the ubiquitous dark matter, developing
a detailed account of the formation of structure in
the Universe, establishing a better understanding of
the origin of the asymmetry between matter and antimatter,
and explaining the large-scale smoothness and flatness of the Universe.
Currently we have an attractive
working hypothesis that addresses all of the above ---
cold dark matter.  This theory holds that the bulk
of the dark matter exists in the form of slowly moving elementary
particles (e.g., axions or neutralinos) and that the density
inhomogeneities that seeded all the structure arose from quantum
fluctuations during inflation.  A flood of
data -- from deep images of the Universe
and new determinations of the Hubble constant
provided by the Hubble Space Telescope to measurements of
CBR anisotropy to large redshift surveys to laboratory searches
for particle dark matter -- is testing this hypothesis.
If cold dark matter proves successful, the standard
cosmology will have been extended back to within $10^{-32}\,$sec
of the bang, opening a window on the earliest moments of the
Universe as well as physics at the highest energies.\par
 
Tea will be served at 3:30 p.m.
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Thursday, February 15,1996, 4:05 p.m.

Northeastern University
Condensed Matter Seminar 
114 Dana
``A Local fermi Liquid: Where Have All the Instabilities
Gone\char63 ''
PROFESSOR KEVIN BEDELL
Boston College
Refreshments will be served at 3:50 p.m. 
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Thursday, February 15,1996, 4:15 p.m.

Massachusetts Institute of Technology
Colloquium 
MIT-Room 10-250
``Fun With Size and Scale From Elephants to Quarks''
GEOFFREY B. WEST
 Los Alamos National Lab 
 Refreshments served in Room 26-110 at 3:45 p.m.
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Thursday, February 15,1996, 4:30 p.m.

Brown University
Condensed Matter Seminar
Barus \char38 \enskip Holley, Room 751
``Title: To Be Announced''
DR. JONATHON SELINGER
Naval Research Laboratory
 
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				 Friday, February 16, 1996 
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 Friday, February 16,1996, 12:00 noon

 Boston University
 Particles and Fields Seminar 
Physics Research Building, Room 593
``Top Physics and More at a High Luminosity Tevatron''
PROFESSOR D. AMIDEI
 University of Michigan 
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Friday, February 16,1996, 4:00 p.m.

Boston University
Division of Applied Sciences:
Condensed Matter Seminar 
Pierce Hall, Room 209
``Theory of Electric Polarization, with Application 
to Ferroelectric Perovskites''
PROFESSOR DAVID VANDERBILT
Rutgers University 
Refreshments will be served following the seminar in the Brooks Room.
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					A Friendly Reminder: 
 
The Deadline for the Feb. 18-Feb. 24, 1996 Issue is: 

MONDAY, February 12, 1996 at 11:00 a.m.

End of Document.