New Quantum Master Equation Turns a Geometric Model Into a Falsifiable CPTP Law
A new open-access paper reformulates the C/S/H model's core equation as a completely positive, trace-preserving GKLS evolution law with a ...
Tag: superconducting qubits
Strong Laser Drive Boosts the Rate of Quantum Energy Teleportation in Atomic Pairs
A new theoretical study shows that strong coherent driving can raise the rate of quantum energy teleportation in driven atomic ...
Superconducting qubits warm up, and physics prizes spotlight a rising generation
A new commentary argues that twisted cuprate Josephson junctions could push superconducting qubits above 1 kelvin, while Japanese and Indian ...
Physicists teleport surface code logical states across a 125-qubit superconducting processor
Physicists have demonstrated the teleportation of surface code logical states with code distances up to 7 on a 125-qubit superconducting ...
Superconducting Qubits Meet Mechanical Resonators in Hybrid Quantum Systems Review
A new review surveys how superconducting transmon and fluxonium qubits couple to mechanical resonators and optical cavities, enabling state transfer, ...
Quantum gate sets 6.8-nanosecond speed record with 99.98% accuracy
Researchers at Forschungszentrum Jülich performed a quantum gate on a superconducting qubit in 6.8 nanoseconds with over 99.98 percent accuracy ...
Stanford team observes first real-time quantum jump in sound
Stanford physicists directly observed an individual phonon making a real-time quantum jump in a chip-fabricated mechanical resonator monitored by a ...
Supercurrent readout could spare quantum bits from measurement collapse
A theoretical proposal from researchers in Brazil and China shows that the oscillating supercurrent generated by an Andreev qubit's own ...
Three-Qubit Quantum Gate Fidelity Falls Sharply on Real Superconducting Hardware
A new tomographic study of the three-qubit CCZ gate on IBM superconducting processors reveals that output fidelity depends heavily on ...
Graph Neural Networks Learn the Noise of Real Quantum Chips to Rescue Failing Computations
Researchers in Zhengzhou have built a graph neural network that encodes the measured noise of superconducting quantum processors to correct ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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