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--></style><title>MIT Quantum Information Processing Seminar
CANCELLATION</title></head><body>
<div>Today's MIT QIP seminar by Karol Zyczkowski has been<b>
CANCELLED</b> due to an automobile breakdown.</div>
<div><br></div>
<div>The next MIT QIP seminar will take place on<b> FRIDAY, Nov. 19 at
14:00 hours in room 4-153</b>, and features:</div>
<div><br></div>
<hr>
<div align="center"><font size="+2"><b>Testing the Limits of Quantum
Mechanics: Motivation, State of Play, and Prospects</b></font></div>
<div align="center"><br></div>
<div align="center"><font size="+1"><i>by</i> Anthony Leggett
(<i>Univ. of Illinois at Urbana-Champaign</i>)</font></div>
<div align="center"><br></div>
<div align="center"><u>ABSTRACT</u></div>
<div><br></div>
<blockquote>I present the motivation for experiments which attempt to
generate,and verify the existence of,quantum superpositions of two or
more states which are by some reasonable criterion
"macroscopically" distinct,and show that various a priori
objections to this program made in the literature are flawed.I review
the extent to which such experiments currently exist in the areas of
free-space molecular diffraction,magnetic biomolecules, quantum optics
and Josephson devices,and sketch possible future lines of development
of the program.</blockquote>
<div><br></div>
<hr>
<div><b>NB:</b> There will be<b> no</b> QIP seminar on Monday, Nov.
22nd.</div>
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