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New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds

Summary by Nature
The superconducting transmon qubit is a leading platform for quantum computing and quantum science. Building large, useful quantum systems based on transmon qubits will require significant improvements in qubit relaxation and coherence times, which are orders of magnitude shorter than limits imposed by bulk properties of the constituent materials. This indicates that relaxation likely originates from uncontrolled surfaces, interfaces, and contam…

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New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds

The superconducting transmon qubit is a leading platform for quantum computing and quantum science. Building large, useful quantum systems based on transmon qubits will require significant improvements in qubit relaxation and coherence times, which are orders of magnitude shorter than limits imposed by bulk properties of the constituent materials. This indicates that relaxation likely originates from uncontrolled surfaces, interfaces, and contam…

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Tech and Science PostTech and Science Post

The hidden superconducting state in NbSe₂: Shedding layers and gaining insights - Tech and Science Post

Researchers have discovered an unexpected superconducting transition in extremely thin films of niobium diselenide (NbSe2). Publishing in Nature Communications, they found that when these films become thinner than six atomic layers, superconductivity no longer spreads evenly throughout the material, but instead becomes confined to its surface. This discovery challenges previous assumptions and could have important implications for understanding s

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Science Tech UpdatesScience Tech Updates

New superconducting state discovered: Cooper-pair density modulation - Science Tech Updates

Superconductivity is a quantum physical state in which a metal is able to conduct electricity perfectly without any resistance. In its most familiar application, it enables powerful magnets in MRI machines to create the magnetic fields that allow doctors to see inside our bodies. Thus far, materials can only achieve superconductivity at extremely low temperatures, […] The post New superconducting state discovered: Cooper-pair density modulation …

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Science Tech Updates broke the news in on Monday, March 31, 2025.
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