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agtech
A multi-dataset crop yield prediction framework using adaptive cooperative metaheuristic optimization
biomed
A multi-modal agent attention model for alzheimer’s disease diagnosis with structural MRI and clinical data
AlzheiNN: a convolutional neural network-based model for Alzheimer’s disease classification
AlzheiNN: a convolutional neural network-based model for Alzheimer’s disease classification
Hemodynamic stability with remimazolam versus propofol for general anesthesia in acute ischemic stroke thrombectomy: a randomized controlled trial
Stroke, Ahead of Print. <br />BACKGROUND:The benefit of endovascular thrombectomy (EVT) in patients with stroke with proximal large vessel occlusion in the anterior circulation has been confirmed by several randomized controlled trials. However, evidence regarding EVT for anterior cerebral artery occlusion (ACAo) …
general
Single-operation Rydberg phase gates via dynamic population suppression
Single-operation Rydberg phase gates via dynamic population suppression
nano
Fast, unconditional reset and leakage reduction in fixed-frequency transmon qubits
Fast, unconditional reset and leakage reduction in fixed-frequency transmon qubits
Weight-four parity checks in a spin-shuttling architecture
A silicon spin-qubit device comprising a shuttling bus for transporting qubits is used to achieve parity checks up to weight four, highlighting the feasibility and benefits of incorporating shuttling into semiconductor quantum processors.
Interferometry reveals spin-singlet fractional quantum Hall edges in graphene
The edge modes of spin-singlet fractional quantum Hall (FQH) phases are manifestations of multicomponent topological order and SU(2) spin symmetry. An archetype is the spin-unpolarized state at $\nu$=2/3, whose edge is expected to host spatially coexisting yet counter-propagating charge and neutral spin modes. Despite …
Mapping the positions of Two-Level-Systems on the surface of a superconducting transmon qubit
That author's affiliation: Karlsruhe Institute of Technology Institution (first & last author): Karlsruhe Institute of Technology Mapping the positions of Two-Level-Systems on the surface of a superconducting transmon qubit
Hong–Ou–Mandel interference of more than ten indistinguishable atoms
That author's affiliation: Leibniz University Hannover Institution (first & last author): Leibniz University Hannover Hong–Ou–Mandel interference has been difficult to extend to ensembles of many massive particles. Measurements on up to 12 neutral atoms now exhibit characteristic multiparticle interference pattern …
[ASAP] High Electron-Affinity Oxides Intercalation for p-Type Contacts in 2D Semiconductors
That author's affiliation: University of Science and Technology Beijing Institution (first & last author): University of Science and Technology Beijing <p><img alt="TOC Graphic" src="/_acs_proxy/cms/10.1021/acs.nanolett.6c00759/asset/images/medium/nl6c00759_0005.gif" /></p><div><cite>Nano Letters</cite></div><div>DOI: …
Mapping the positions of Two-Level-Systems on the surface of a superconducting transmon qubit
That author's affiliation: Karlsruhe Institute of Technology Institution (first & last author): Karlsruhe Institute of Technology Mapping the positions of Two-Level-Systems on the surface of a superconducting transmon qubit
quantum
Motional refocusing for trap-off Rydberg gates
Rydberg entangling gates in optical-tweezer arrays are commonly executed with the trapping light switched off, so every gate contains a release--and--recapture cycle that heats the atomic motion and can ultimately limit circuit depth. We develop a motional refocusing protocol that exactly removes this heating in the …
Fault-tolerant quantum computation cannot be achieved with constant spacetime overhead
The threshold theorem states that quantum computations can be made reliable below a physical error threshold, at the cost of additional physical qubits and circuit depth. Recent work has reduced these space and time overheads to polylogarithmic or nearly logarithmic scalings, but whether the cumulative spacetime …
Antidots measure anyonic charge in graphene
Anyons are fractionally charged quasiparticles of the quantum Hall effect, and could one day power topological quantum computers. Trapping and measuring anyons remains difficult, but quasiparticle charges have now been measured using a gate-defined antidot in bilayer graphene. For hole-conjugate states, the parity of …
Chern insulator boundary criticality
We investigate signatures of chirality at Chern insulator transitions in the presence of a boundary. The transition between a trivial insulator and a Chern insulator with Chern number $C=1$ is described by a massless Dirac fermion whose parity anomaly gives a critical Hall conductivity …
Spin-polarized Andreev molecules and anomalous nonlocal Josephson effects in altermagnetic junctions
Altermagnetism has emerged as a promising ingredient for realizing nontrivial Josephson phases, but so far explored in single Josephson junctions. In this work, we consider the coherent coupling of two Josephson junctions with spin-singlet $s$-wave superconductivity and demonstrate that $d$-wave altermagnetism gives …
SPM
Tuning single-molecule fluorescence by atomic-scale control of the local environment
Molecules that absorb and emit light play a central role in microscopy, light-emitting devices and photosynthesis. Their fluorescence arises from well-defined radiative transitions that are governed by the electronic states and their coupling to the nuclear motion that are influenced by the local environment. Yet the …