[QIP-Sem] MIT Quantum Information Processing Seminar Announcement

[QIP-Sem Mailing List]

Next week's MIT QIP seminar will take place on Monday, September 27 
at 16:00 in room 4-237, and features:


Quantum Limits on Global Positioning Systems

by Professor Seth Lloyd (MIT Mechanical Engineering)

ABSTRACT

This talk derives fundamental physical limits to the accuracy with 
which systems like the global positioning system (GPS) can map out 
the geometry of space and time. The so-called `standard quantum 
limit' may be standard and may be quantum, but it is not a limit: it 
can be surpassed using quantum effects such as entanglement and 
squeezing. Results from the physics of computation can be used to 
derive a new bound, the quantum geometric limit, for the accuracy to 
which distance and time can be measured.
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