Format results
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Direct experimental reconstruction of the Bloch sphere
Michael Mazurek - Institute for Quantum Computing (IQC) , Matthew Pusey - University of York
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Single-photon test of Hyper-Complex Quantum Theories
Lorenzo Procopio - University of Vienna
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Experimental implementation of quantum-coherent mixtures of causal relations
Robert Spekkens - Perimeter Institute for Theoretical Physics
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Direct experimental reconstruction of the Bloch sphere
Michael Mazurek - Institute for Quantum Computing (IQC) , Matthew Pusey - University of York
The scientific journey from the first hints of quantum behaviour to the Bloch sphere in your textbook was a long and tortuous one. But using some of the technological and conceptual fruits of that journey, we show that an experiment can manifest the Bloch sphere via an analysis that doesn't require… -
Single-photon test of Hyper-Complex Quantum Theories
Lorenzo Procopio - University of Vienna
One of the most successful theories in physics until now is quantum mechanics. However, the physical origins of its mathematical structure are still under debate, and a "generalized" quantum theory to unify quantum mechanics and gravity is still missing. Recently, in an effort to better understand… -
Experimental measurement tradeoffs, from Heisenberg to Aharonov to quantum data compression
Aephraim Steinberg - University of Toronto
Tradeoffs in measurement and information are among the central themes of quantum mechanics. I will try to summarize in this talk a few of our experiments related to modern views of these topics. In particular, I will try to give an example or two of the power of "weak measurements," both for… -
Naïve experiments for measuring incompatible observables
Sets or pairs of incompatible observables, such as momentum and position, play a pivotal role in a wide range of distinctly quantum effects and applications, including quantum cryptography, the Heisenberg Uncertainty Principle, quantum state tomography, and Bell’s inequalities. In particular, in… -
Experimental implementation of quantum-coherent mixtures of causal relations
Robert Spekkens - Perimeter Institute for Theoretical Physics
Understanding the causal influences that hold among the parts of a system is critical both to explaining that system's natural behaviour and to controlling it through targeted interventions. In a quantum world, understanding causal relations is equally important, but the set of possibilities is far…