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Multidimensional symbolic dynamics and lattice models of quasicrystals / Dynamique symbolique multidimensionnelle et modèles de quasi-cristaux sur réseau
5 videos

Multidimensional symbolic dynamics and lattice models of quasicrystals / Dynamique symbolique multidimensionnelle et modèles de quasi-cristaux sur réseau

Arithmetic Geometry – A Conference in Honor of Hélène Esnault on the Occasion of Her 70th Birthday
12 videos

Arithmetic Geometry – A Conference in Honor of Hélène Esnault on the Occasion of Her 70th Birthday

Not Only Scalar Curvature Seminar
58 videos

Not Only Scalar Curvature Seminar

Clément Delcamp : Topological Symmetry and Duality in Quantum Lattice Models
2 videos

Clément Delcamp : Topological Symmetry and Duality in Quantum Lattice Models

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IHP
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Probabilistic techniques and Quantum Information Theory

Collection Probabilistic techniques and Quantum Information Theory

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Date(s) 23/10/2017 - 27/10/2017
00:00:00 / 00:00:00
17 26

Maximally incompatible quantum observables

By Teiko Heinosaari

I will discuss a way to quantify the degrees of incompatibility of two observables in a probabilistic physical theory and, based on this, a global measure of the degree of incompatibility inherent in such theories, across all observable pairs. This makes it possible to compare probabilistic theories with respect to the nonclassical feature of incompatibility, raising many interesting questions. I will show that quantum theory contains observables that are as incompatible as any probabilistic physical theory can have. In particular, two of the most common pairs of complementary observables (position and momentum; number and phase) are maximally incompatible.

Information about the video

  • Date of recording 26/10/2017
  • Date of publication 06/11/2017
  • Institution IHP
  • Format MP4

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