Scientists introduced atomic defects in spinel using cerium, and voilà! The gemstone became a solid qubit system.
You may have heard of diamond qubits, but diamonds aren’t the only gemstones that can be used to store quantum information. A new study reveals that spinel, a vibrant and rare gem, can also be used as a qubit system.Spinels are a transparent gems that come in red, blue, black, lavender, white, yellow, and other colors. They are considered rarer than diamonds but when it comes to price, these gems generally more affordable.
They found that Ce in spinel emits over 10 times more light than in MgO, making it easier to detect. They also observed that the light emission from Ce centers in spinel changes slightly when exposed to a magnetic field even at very low temperatures , suggesting these centers can function as qubits and their spin can be controlled using a magnetic field.
Physics Quantum Physics Qubit Spinel
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