What Do You Need to Make a Quantum Computer?
What features do you need to have in a system for it to be the basis for a practical quantum computer?Posted on April 8, 2008 11:16 AM • 5 Comments • 0 TrackBacks
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"Prof. Orzel gives the impression of an everyday guy who just happens to have a vast but hidden knowledge of physics." (anonymous student evaluation comment)
The miscellaneous ramblings of a physicist at a small liberal arts college. Physics, politics, pop culture, and occasional conversations with his dog.
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Quantum Optics:
Lab Visit Report: Unusual Lattices
New experiments with optical lattices that begin to explore structures beyond the simple cubic lattice.Posted on March 17, 2008 9:41 AM • 3 Comments • 0 TrackBacks
Lab Visit Report: Four-Wave Mixing
The next lab visit experiments I want to talk about are really the epitome of what I called the "NIST Paradigm" in an earlier post. These are experiments on "four-wave mixing" done by Colin McCormick (who I TA'd in freshman...Posted on March 14, 2008 10:54 AM • 2 Comments • 0 TrackBacks
Lab Visit Report: Cavity QED
The Orozco lab at Maryland has some clever tricks for making atoms in superpositions of two different states.Posted on March 10, 2008 10:32 AM • 5 Comments • 0 TrackBacks
Quantum Teleportation (for Dogs)
I gave a talk at Boskone in the prime Sunday 10 am slot, on quantum teleportation. I read the opening dialogue from Chapter 8 of the book, and then did a half-hour (or so) explanation of the real physics behind...Posted on February 18, 2008 10:47 AM • 3 Comments • 0 TrackBacks
How to Hand-Wave Quantum Phase?
Kind of a technical question, but typing it out might provide some inspiration, or failing that, somebody might have a good suggestion in the comments. Here's the issue: I'm starting on a chapter about quantum teleportation for the book, and...Posted on December 7, 2007 9:28 AM • 9 Comments • 0 TrackBacks
Many Worlds, Many Headaches
Delayed choices, the Many-Worlds Interpretation, and why more people don't spend lots of time thinking about foundational issues in quantum mechanics.Posted on September 26, 2007 9:24 AM • 17 Comments • 0 TrackBacks
Watching Wavefunctions Collapse
The Haroche group in Paris has found a clever way to track a wavefunction as it moves from a superposition of many states to a single definite value.Posted on September 12, 2007 10:48 AM • 20 Comments • 0 TrackBacks
Crystal healing
Lest this blog turn into a one-trick pony, let me tell you what I did today that's of a little different flavor. I epoxied some stuff onto some other stuff. More importantly, I calculated a band structure. This amazes me....Posted on August 22, 2007 6:44 PM • 1 Comments • 0 TrackBacks
The Life Cycle of a Microwave Photon
The French dominance of quantum optics continues with a beautiful experiment from ENS in Paris.Posted on March 15, 2007 10:59 AM • 6 Comments • 0 TrackBacks
Spooky Action at a Distance
The Einstein Podolsky Rosen paradox, Bell's Theorem, and how we know that the world is a very weird place.Posted on February 22, 2007 10:43 AM • 5 Comments • 0 TrackBacks
Thought Experiments Made Real
A French group does the best realization yet of Wheeler's delayed-choice experiment.Posted on February 19, 2007 10:10 AM • 3 Comments • 0 TrackBacks
Mirror, Mirror
All mirrors are not created equal.Posted on January 3, 2007 10:37 AM • 3 Comments • 0 TrackBacks
One Sentence
Physicist Richard Feynman once said that if all knowledge about physics was about to expire the one sentence he would tell the future is that "Everything is made of atoms". What one sentence would you tell the future about your own area?Posted on January 2, 2007 9:52 AM • 7 Comments • 0 TrackBacks
Local Realism, Loopholes, and the God Delusion
What Bell's theorem experiments and Richard Dawkins ought to have in common.Posted on October 25, 2006 11:25 AM • 27 Comments • 0 TrackBacks
Classic Edition: The Transporters Aren't Working. Again.
Real "teleportation" isn't Star Trek stuff.Posted on October 6, 2006 10:43 AM • 0 Comments • 0 TrackBacks
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