Scholarships for PhD students at Macquarie University, Sydney
I’d appreciate if you could let any interested students know of the following PhD opportunities: Limited scholarships are available for several PhD students at Macquarie University (Sydney, Australia)...
View ArticleThanks Bob
Recently, on behalf of a group of concerned Australian scientists, I sent a letter to the Australian Foreign Minister and Shadow Foreign Minister regarding the plight of a young Iranian physicist who...
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Many worlds and the interpretation of quantum mechanics
This post is on quantum mechanics, but is intended to be understandable by anyone. The small amount of mathematical notation that I introduce should be fairly digestible to anyone without a physics...
View ArticleNew paper: Optical quantum computing with photons of arbitrarily low fidelity...
Download full text here. Linear optics quantum computing (LOQC) is a leading candidate for the implementation of large scale quantum computers. Here quantum information is encoded into the quantum...
View ArticleMining taxes anyone?
The Mineral Resource Rent Tax (MRRT), aka the Mining Tax, is a big issue in Australia lately. For the non-Australian readers, this is a tax on non-renewable resources that are exploited by the mining...
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In memory of Sean Barrett
When I was a budding young PhD student, trying to find my way into the world of academia and theoretical physics, there was a small group of people who guided me, stood up for me, collaborated with me,...
View ArticleNew paper: The information capacity of a single photon
Full article here. by Peter P. Rohde, Joseph F. Fitzsimons, Alexei Gilchrist. Quantum states of light are the obvious choice for communicating quantum information. To date, encoding information into...
View ArticleKickstarter
I’ve known about Kickstarter for quite some time, but never really delved into it. Kickstarter is a ‘crowdfunding’ service, whereby people can contribute cash to upstart projects with a promise of some...
View ArticleNew paper: Quantum walks with memory – goldfish, elephants and wise old men
Full article here. by Peter P. Rohde, Gavin K. Brennen, Alexei Gilchrist Quantum walks have emerged as an interesting approach to quantum information processing, exhibiting many unique properties...
View ArticleMy prediction for the next 10 years of linear optics quantum computing
People often ask me how long it will be before we have an optical quantum computer with post-classical capabilities. My answer, until recently, was that it will be a very, very long time. However, a...
View ArticleThe media and democracy
Democracy is about so much more than just voting for your leaders. There are many other facets like freedom of speech, freedom of belief, the right to a fair trial, the list goes on. One very important...
View ArticleThe National Broadband Network – Government vs. Coalition
Some time ago I blogged about the Australian National Broadband Network (NBN), the centrepiece infrastructure policy of the current Labor government. I’d like to follow up on this issue from a...
View ArticleMy first attempt at stand-up comedy
Live at the Stazione Espresso Bar, Sydney. No related posts. Related posts brought to you by Yet Another Related Posts Plugin.
View ArticleMy second attempt at stand-up comedy
Live at the Stazione Espesso Bar, Sydney. Related posts:My first attempt at stand-up comedy Live at the Stazione Espresso Bar, Sydney.... Related posts brought to you by Yet Another Related Posts...
View ArticleNew paper: Spontaneous parametric down-conversion photon sources are scalable...
Full paper here. Boson-sampling has emerged as a promising avenue towards post-classical optical quantum computation, and numerous elementary demonstrations have recently been performed. Spontaneous...
View ArticleVideo blog: The liberal who didn’t vote Liberal
My thoughts on the recent Australian federal election, and my reasons for not voting Liberal. No related posts. Related posts brought to you by Yet Another Related Posts Plugin.
View ArticleNew paper: Sampling generalized cat states with linear optics is probably hard
Full paper here. Boson-sampling has been presented as a simplified model for linear optics quantum computing. In the boson-sampling model, Fock states are passed through a linear optics network and...
View ArticleNew paper: Quantum random walks on congested lattices
Full paper here. We consider quantum random walks on congested lattices and contrast them to classical random walks. Congestion is modelled with lattices that contain static defects which reverse the...
View ArticleNew paper: Self-avoiding quantum walks
Full paper here. Quantum walks exhibit many unique characteristics compared to classical random walks. In the classical setting, self-avoiding random walks have been studied as a variation on the usual...
View ArticleNew paper: Boson sampling with photon-added coherent states
Full paper here. Boson sampling is a simple and experimentally viable model for non-universal linear optics quantum computing. Boson sampling has been shown to implement a classically hard algorithm...
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