Search Results for author: Raymond Laflamme

Found 5 papers, 0 papers with code

On the Computational Cost of Stochastic Security

no code implementations13 May 2023 Noah A. Crum, Leanto Sunny, Pooya Ronagh, Raymond Laflamme, Radhakrishnan Balu, George Siopsis

We investigate whether long-run persistent chain Monte Carlo simulation of Langevin dynamics improves the quality of the representations achieved by energy-based models (EBM).

Adversarial Robustness

On the freedom in representing quantum operations

no code implementations12 Oct 2018 Junan Lin, Brandon Buonacorsi, Raymond Laflamme, Joel J. Wallman

We discuss the effects of a gauge freedom in representing quantum information processing devices, and its implications for characterizing these devices.

Quantum Physics

Quantum Computing

no code implementations12 Sep 2010 Thaddeus D. Ladd, Fedor Jelezko, Raymond Laflamme, Yasunobu Nakamura, Christopher Monroe, Jeremy L. O'Brien

Quantum mechanics---the theory describing the fundamental workings of nature---is famously counterintuitive: it predicts that a particle can be in two places at the same time, and that two remote particles can be inextricably and instantaneously linked.

Quantum Physics

Ruling Out Multi-Order Interference in Quantum Mechanics

no code implementations23 Jul 2010 Urbasi Sinha, Christophe Couteau, Thomas Jennewein, Raymond Laflamme, Gregor Weihs

We performed a three slit experiment with photons and bounded the magnitude of three path interference to less than 10-2 of the expected two-path interference, thus ruling out third and higher order interference and providing a bound on the accuracy of Born's rule.

Quantum Physics Optics

Perfect Quantum Error Correction Code

no code implementations27 Feb 1996 Raymond Laflamme, Cesar Miquel, Juan Pablo Paz, Wojciech Hubert Zurek

The original state of the encoded qubit can then be restored by a simple unitary transformation.

Quantum Physics

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