Category Archives: Liveblogging

QIP 2012 Day 5

Posted on 12/19/2011 by sflammia

The quantum pontiff brains have reached saturation. Eric Chitambar, Wei Cui and Hoi-Kwong Lo: Increasing Entanglement by Separable Operations and New Monotones for W-type Entanglement These results demonstrate a large quantitative gap between LOCC and SEP for a particular task … Continue reading →

Posted in Conferences, Liveblogging, Quantum | 5 Comments

QIP 2012 Day 4

Posted on 12/17/2011 by aram

Possible location of QIP 2014?? Aleksandrs Belovs Span Programs for Functions with Constant-Sized 1-certificates, based on 1105.4024 Consider the problem of finding whether or not a triangle exists in a graph with n vertices. Naively using Grover’s algorithm requires time … Continue reading →

Posted in Conferences, Liveblogging, Quantum | 2 Comments

QIP 2012 Day 3

Posted on 12/14/2011 by sflammia

PSPACE is a black hole gobbling up the other complexity classes. And you thought the LHC was dangerous! Troy Lee and Jérémie Roland: A strong direct product theorem for quantum query complexity Suppose you want to solve k independent instances … Continue reading →

Posted in Conferences, Liveblogging, Quantum | 4 Comments

QIP 2012 Day 2

Posted on 12/14/2011 by sflammia

Quantum Information Enters the Third Dimension Itai Arad, Zeph Landau and Umesh Vazirani: An improved area law for 1D frustration-free systems. Some motivation: which quantum many-body systems can be simulated efficiently on a classical computer? Which states even have an … Continue reading →

Posted in Conferences, Liveblogging, Quantum | 2 Comments

QIP 2012 Day 1

Posted on 12/13/2011 by aram

Sergey Bravyi, Topological qubits: stability against thermal noise. Joint work with Jeongwan Haah, based on arXiv:1105.4159. Sergey opened his talk with an image of a bagel in a Solfatara landscape, meant to evoke topogically-protected qubits (get it? a bagel?) in … Continue reading →

Posted in Conferences, Liveblogging, Quantum | 7 Comments

Live-blogging QIP “2012″!

Posted on 12/12/2011 by aram

So far, this is all we got. Stay tuned!

Posted in Conferences, Liveblogging, Quantum Computing | Comments Off

Quantum Information in Quantum Many-Body Physics — Live Blogging Day 4

Posted on 10/21/2011 by sflammia

The fourth and final day of the conference. Update Oct 26: The slides from the talk will be posted online here. Quantum Information in Quantum Many-Body Physics Roger Melko, Entanglement entropy in exotic phases of quantum matter. Review of quantum Monte … Continue reading →

Posted in Conferences, Liveblogging | 3 Comments

Quantum Information in Quantum Many-Body Physics — Live Blogging Day 3

Posted on 10/20/2011 by sflammia

Day 3 of the conference. Quantum Information in Quantum Many-Body Physics Guifre Vidal, Criticality, impurities and real-space renormalization, joint work with Glen Evenbly. First an overview of the multi-scale entanglement renormalization ansatz (MERA). Basic notions: isometries, disentanglers, causal cone. Bounded causal … Continue reading →

Posted in Conferences, Liveblogging | 3 Comments