A technique to charge a battery inside a quantum computer relies on sorting qubits in an imitation of Maxwell’s demon, a 19th-century thought experiment once thought to break the laws of physics
, considered for decades to break the laws of thermodynamics, has been brought to life inside a quantum computer and used to charge a quantum battery.
Physicist James Clerk Maxwell imagined his demon in 1867 while thinking about how to cheat the laws of thermodynamics. He considered two boxes of gas separated by a weightless door and a tiny demon that controls which particles can go through it.
“The exploration of Maxwell’s demon in a quantum setting forces us to think deeply about what’s behind the fundamental laws of quantum information, thermodynamics and especially their combination – quantum thermodynamics,” sayscomprising 62 quantum bits, or qubits, made from superconducting circuits to explore such “demonic effects” – more qubits than have ever been used to implement Maxwell’s demon before.
Quantum Physics Quantum Theory
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