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OIST researchers have successfully manipulated a centimeter-wide diamond using collective electron spins, marking the first time a gravity-affected macroscopic object has been moved by a quantum force. This breakthrough establishes a critical new baseline for testing the limits of quantum mechanics in objects significantly larger than previous nanoscale experiments and suggests pathways toward advanced sensors for dark matter and gravitational waves. The study confirms that quantum effects can drive mechanical displacement in regimes previously thought inaccessible, bridging the gap between classical gravity and quantum control.
OIST Researchers Move Diamond with Quantum Spin Force
OIST researchers moved a centimeter-wide diamond using the force of electron spins, a first-of-its-kind demonstration with a gravity-affected object.
Researchers from the Okinawa Institute of Science and Technology (OIST) have achieved the first observation of quantum spins directly shifting a centimeter-wide diamond, a feat eight to nine orders of magnitude larger than previous spin-mechanical experiments. This demonstration marks the first time a quantum effect has manipulated an object meaningfully influenced by gravity, establishing a new baseline for exploring the boundary between classical and quantum physics. “There have been many efforts to test whether quantum mechanics holds for anything larger than a few tens of nanometers, so far without success,” explains Professor Jason Twamley of the OIST…
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