Unscrambling the physics of out-of-time-order correlators | Nature Physics Skip to main content
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Quantum technologies represent a rapidly evolving field in which the specific properties of
quantum mechanical systems are exploited to enhance the performance of various …

We provide a general protocol to measure out-of-time-order correlation functions. These
correlation functions are of broad theoretical interest for diagnosing the scrambling of …

A discrete time crystal (DTC) is a robust phase of driven systems that breaks the discrete
time translation symmetry of the driving Hamiltonian. Recent experiments have observed …

The dynamics of a decohering two-level system driven by a suitable control Hamiltonian is
studied. The control procedure is implemented as a sequence of radio-frequency pulses that …

The NMR signals of isotopically or chemically dilute nuclear spins S in solids can be
enhanced by repeatedly transferring polarization from a more abundant species I of high …

The asymmetry of nature under a'reversal of time'(that is, a reversal of motion and change)
appears only too obvious to us, as it deeply affects our own form of existence. If physics is to …

We introduce a new approach for the robust control of quantum dynamics of strongly
interacting many-body systems. Our approach involves the design of periodic global control …

Recently developed solid state multiple-quantum NMR methods are applied to extended
coupling networks, where direct dipole-dipole interactions can be used to create coherences …

This article reviews the principles and applications of one of the currently most powerful
NMR approaches for the characterization of chain motion in elastomers, entangled 0079 …