Nature Physics
Terahertz magnon algebra
Nature Physics, Published online: 07 March 2024; doi:10.1038/s41567-024-02427-x
Excitation of magnons — quanta of spin-waves — in an antiferromagnet can be used for high-speed data processing. The addition and subtraction of two such modes opens up possibilities for magnon-based information transfer in the terahertz spectral region.Efficient learning of many-body systems
Nature Physics, Published online: 06 March 2024; doi:10.1038/s41567-024-02393-4
The Hamiltonian describing a quantum many-body system can be learned using measurements in thermal equilibrium. Now, a learning algorithm applicable to many natural systems has been found that requires exponentially fewer measurements than existing methods.Protecting entanglement between logical qubits via quantum error correction
Nature Physics, Published online: 06 March 2024; doi:10.1038/s41567-024-02446-8
Despite being essential to many applications in quantum science, entanglement can be easily disrupted by decoherence. A protocol based on repetitive quantum error correction now demonstrates enhanced coherence times of entangled logical qubits.Learning quantum Hamiltonians from high-temperature Gibbs states and real-time evolutions
Nature Physics, Published online: 06 March 2024; doi:10.1038/s41567-023-02376-x
Complexity of learning Hamiltonians from Gibbs states is an important issue for both many-body physics and machine learning. The optimal sample and time complexities of quantum Hamiltonian learning for high temperature has now been proven.Drug design on quantum computers
Nature Physics, Published online: 04 March 2024; doi:10.1038/s41567-024-02411-5
Quantum computers promise to efficiently predict the structure and behaviour of molecules. This Perspective explores how this could overcome existing challenges in computational drug discovery.Graph states of atomic ensembles engineered by photon-mediated entanglement
Nature Physics, Published online: 01 March 2024; doi:10.1038/s41567-024-02407-1
Photon-mediated entanglement in atomic ensembles coupled to cavities enables the engineering of quantum states with a graph-like entanglement structure. This offers potential advantages in quantum computation and metrology.Cavity-mediated long-range interactions in levitated optomechanics
Nature Physics, Published online: 01 March 2024; doi:10.1038/s41567-024-02405-3
Combining multiparticle levitation with cavity control enables cavity-mediated interaction between levitated nanoparticles, whose strength can be tailored via optical detuning and position of the two particles.Observation of spin polarons in a frustrated moiré Hubbard system
Nature Physics, Published online: 01 March 2024; doi:10.1038/s41567-024-02434-y
Spin polarons, bound states of a doped carrier and a spin flip excitation, are observed in a transition metal moiré bilayer.Topological temporally mode-locked laser
Nature Physics, Published online: 01 March 2024; doi:10.1038/s41567-024-02420-4
Mode locking, which is a common technique to produce short laser pulses, is demonstrated in a topological laser.Nonclassical near-field dynamics of surface plasmons
Nature Physics, Published online: 29 February 2024; doi:10.1038/s41567-024-02426-y
Most applications of surface plasmons are based on their near-field properties. These properties are now shown to be governed by nonclassical scattering between multiparticle plasmonic subsystems.Deterministic generation of multidimensional photonic cluster states with a single quantum emitter
Nature Physics, Published online: 28 February 2024; doi:10.1038/s41567-024-02408-0
Cluster states made from multiple photons with a special entanglement structure are a useful resource for quantum technologies. Two-dimensional cluster states of microwave photons have now been deterministically generated using a superconducting circuit.Metal poles around the bend
Nature Physics, Published online: 26 February 2024; doi:10.1038/s41567-024-02402-6
Electric dipoles are common in insulators, but extremely rare in metals. This situation may be about to change, thanks to flexoelectricity.Quantized topological pumping in Floquet synthetic dimensions with a driven dissipative photonic molecule
Nature Physics, Published online: 26 February 2024; doi:10.1038/s41567-024-02413-3
Although dissipation is often detrimental to the observation of topological effects, a photonic molecule driven at several incommensurate frequencies is shown to be a candidate system for quantized topological transport in synthetic dimensions.Artificial intelligence needs a scientific method-driven reset
Nature Physics, Published online: 23 February 2024; doi:10.1038/s41567-024-02403-5
AI needs to develop more solid assumptions, falsifiable hypotheses, and rigorous experimentation.Attosecond metrology of the two-dimensional charge distribution in molecules
Nature Physics, Published online: 23 February 2024; doi:10.1038/s41567-024-02406-2
Attosecond interferometry measurements of photoionization delays in planar carbon-based molecules can provide information on the dimension and shape of the two-dimensional hole generated in the process.Non-classical microwave–optical photon pair generation with a chip-scale transducer
Nature Physics, Published online: 23 February 2024; doi:10.1038/s41567-024-02409-z
A transducer that generates microwave–optical photon pairs is demonstrated. This could provide an interface between optical communication networks and superconducting quantum devices that operate at microwave frequencies.Quantum transport response of topological hinge modes
Nature Physics, Published online: 20 February 2024; doi:10.1038/s41567-024-02388-1
Topologically protected hinge modes could be important for developing quantum devices, but electronic transport through those states has not been demonstrated. Now quantum transport has been shown in gapless topological hinge states.Sound interactions across multiple modes
Nature Physics, Published online: 19 February 2024; doi:10.1038/s41567-024-02425-z
Some quantum acoustic resonators possess a large number of phonon modes at different frequencies. Direct interactions between modes similar to those available for photonic devices have now been demonstrated. This enables manipulation of multimode states.Time in a glass
Nature Physics, Published online: 19 February 2024; doi:10.1038/s41567-024-02419-x
Ageing is a non-linear, irreversible process that defines many properties of glassy materials. Now, it is shown that the so-called material-time formalism can describe ageing in terms of equilibrium-like properties.Organic molecules pumped to resonance
Nature Physics, Published online: 19 February 2024; doi:10.1038/s41567-024-02410-6
Interacting emitters are the fundamental building blocks of quantum optics and quantum information devices. Pairs of organic molecules embedded in a crystal can become permanently strongly interacting when they are pumped with intense laser light.Σελίδες
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