Related Experiment Video
Updated: Jul 24, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Signatures of chaos in the entanglement of two coupled quantum kicked tops
1Department of Physics, King's College London, Strand, London WC2R 2LS, United Kingdom.
Abstract:
We investigate the rate at which two initially decoupled quantum kicked tops become entangled upon the introduction of an interaction between them. We find that the entanglement eventually increases linearly in time. Moreover, we find that the rate of this linear increase is itself a linear function of the sum of the positive Lyapunov exponents when averaged over initial points drawn from the classical distributions corresponding to the initial quantum product state. The entanglement measure that is used allows us to identify entanglement with sensitive dependence on initial conditions.
Related Concept Videos
The Quantum-Mechanical Model of an Atom
The Pauli Exclusion Principle
¹H NMR: Interpreting Distorted and Overlapping Signals
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are slanted or...
¹H NMR Signal Multiplicity: Splitting Patterns
Interpreting ¹H NMR Signal Splitting: The (n + 1) Rule
Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...

