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One extra quantum dot helps balance speed and stability in spin qubits
المصدر: Phys.org - latest science and technology news stories · نُشر
Quantum computers need qubits that can be controlled both quickly and reliably. Yet making semiconductor spin qubits faster often makes them more sensitive to electrical noise, creating a difficult trade-off.
Quantum computers need qubits that can be controlled both quickly and reliably. Yet making semiconductor spin qubits faster often makes them more sensitive to electrical noise, creating a difficult trade-off.
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Supercurrent enables the reading of quantum information without destroying it
One of the fundamental challenges of quantum computing is obtaining information from a quantum bit, or qubit. Unlike a conventional bit, which can be read repeatedly without altering its content, direct measurement of a quantum system typically causes the state to collapse before
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Three giant black holes discovered in a galaxy from the dawn of time
Astronomers have discovered three actively feeding black holes inside a single galaxy more than 12.5 billion light-years away, revealing a remarkable scene from the universe’s infancy. Two of the black holes are separated by just 620 light-years and are expected to eventually mer
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One of Earth’s most powerful supervolcanoes is refilling with fresh magma
Deep beneath Japan’s Kikai caldera, a massive magma reservoir is refilling 7,300 years after one of the most powerful volcanic eruptions in Earth's recent geological history. Scientists used underwater seismic surveys to reveal a vast store of magma that appears to have accumulat
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Scientists reach the ultimate quantum limit on a surface
Scientists have achieved a quantum breakthrough by creating an ultra-clean surface where individual molecules can maintain their delicate quantum properties at the fundamental limit. The discovery could unlock unprecedented control over molecules and help drive the next generatio
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Hürzeler takes shot at Liverpool: 'One team' tried to play
Brighton & Hove Albion boss Fabian Hurzeler appeared to take a swipe at Liverpool's approach in their 2-0 win over his side at Anfield, claiming there was "one team" who tried to create.
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