Tag archives: quantum physics
By Louise Mayor
Yesterday I had an exciting trip out of the office.
Earlier this week, one of Physics World’s freelance writers, Jon Cartwright, told how me he’d been invited to the Bristol University theory department’s weekly seminar. Felix Flicker, a 2nd-year PhD student who organizes these events, had seen Jon’s article “The life of psi” in this month’s Physics World, which discusses a theorem published in Nature Physics. The theorem is interesting because if its assumptions hold, it rules out one of the four interpretations of quantum mechanics and leaves us with three.
I wanted in on the seminar action!
Last year when I was planning the Physics World special issue on quantum frontiers (which was out in March and is still available as a free PDF download), I had approached Jon to ask whether he’d like to tackle a quantum topic, and he let me know he was interested in covering the paper by Matthew Pusey, Jonathan Barrett and Terry Rudolph. Jon had seen the story reported elsewhere but had found these accounts were light on the details and didn’t get to the bottom of the science. I liked the idea and Jon went ahead. Once the story arrived in my inbox I was hooked! I found it to be one of those stories that covers some tricky concepts but if you let yourself become immersed in the story and think through what’s being explained, is very rewarding.
By Matin Durrani
If you’re a member of the Institute of Physics, you’ll have had access for almost a week now to the March 2013 special issue of Physics World on quantum physics – either in print or through our digital issue, which you can access online or via our apps for smartphones and tablets (free from the App Store and Google Play).
But as we know how fascinating so many of you find the quantum world – with all that talk of quantum entanglement, Schrödinger’s cat and spooky action at a distance – we felt we wanted to share the issue more widely. So from today we’re making the issue available as a free downloadable PDF.
Of course, the PDF doesn’t have all the goodies of the digital issue, which this month includes some exclusive quantum-related audio and video content. But there’s still plenty to get stuck into, including a look at the fascinating new paradigm of “weak measurement”, the application of quantum physics to biology, the use of cold atoms to simulate the quantum world, and the use of entanglement for completely secure satellite communication.
By Matin Durrani
If you’re a member of the Institute of Physics, it’s time to get stuck into the March 2013 issue of Physics World, which is a special issue devoted to some of the most interesting cutting-edge work at the frontiers of quantum physics.
Among the highlights are a look at the fascinating new paradigm of “weak measurement”, the application of quantum physics to biology, the use of cold atoms to simulate the quantum world, and the use of entanglement for completely secure satellite communication. Two other articles examine the impact of quantum physics on popular culture and among the physics community itself.
The issue also contains some great multimedia, including the latest in our 100 Second Science video series where physicists at Imperial College London answer key questions in quantum physics in 100 seconds or less.
And if you’re wondering about the cover – it was specially commissioned by us in the style of pop artist Roy Lichtenstein, and shows Alice and Bob (the names given by convention to those sending and receiving quantum signals) peering into an ever weirder quantum world. The illustration echoes a similar image that graced the cover of our last special issue on quantum physics exactly 15 years ago this month. That one was also commissioned by us and was voted in 2008 by Physics World readers as one of their favourite covers of all time.