Searches for metastable states with properties not found in thermal equilibrium have been restricted to either ultrafast or slow timescales. A metastable state in an intermediate time window has now been identified in a photo-doped Mott insulator
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Phase tuning of propagating spin waves is a crucial step in the development of devices based on magnons, which are the quanta of spin waves. Now, this has been demonstrated in a device comprising two spin Hall nano-oscillators.
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Measurements combined with post-processing of their outcomes can be used to prepare ordered quantum states. It has been shown that they can drive a Nishimori phase transition into a disordered state even in the presence of quantum errors.
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The phonon density of states in diamond is engineered using phononic crystals to suppress single-phonon processes that induce decoherence in individual quantum emitters.
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A unified description of the dynamics of structurally disordered materials is challenging. Simulations of model systems now show that percolation theory provides a framework unifying two prominent relaxation processes in supercooled liquids and glasses.
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Antarctic ice plays a crucial role in regulating Earth’s climate, global sea levels, ocean circulation, and planetary reflectivity
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Superconducting qubits are measured using microwaves, posing constraints on its size and thermal budgets. The electro-optic transceiver presented here can be used to perform optical readout without affecting qubit performance.
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Microwaves are usually used to interact with superconducting qubits, but optical photons can be processed at room temperature. The electro-optical transceiver presented here allows all-optical readout of a qubit without affecting its performance.
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Quantum fluctuations in frustrated magnets are expected to produce unconventional emergent behaviour. Neutron spectroscopy measurements now provide evidence for emergent gauge fields in a pyrochlore spin ice.
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Charge-neutral graphene in the quantum Hall regime is known to be an insulator. Now thermal transport measurements show that it also does not conduct heat. This sheds light on the nature of the ground state in this regime.
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