Discrete time crystals and classical logic gates in coupled open Dicke models
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Emmanuel D. G. U, Roy D. Jara, Jayson G. Cosme · arXiv: 2610.23043v1 · Summary page
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Time crystals as ingredients for classical logic
A discrete time crystal responds to periodic driving with a rhythm that repeats more slowly than the drive itself. In a theoretical study of coupled, dissipative Dicke models—systems describing collective light–matter interactions—researchers find that coupling two such oscillators reduces their amplitude and, beyond a sufficiently strong coupling, destroys their time-crystalline motion. A growing relaxation time near that boundary suggests a continuous transition.
The same study shows how briefly coupling an oscillating system to a nonoscillating one can seed a new time crystal, either in step or out of step with the original. Using those possibilities, the authors propose sequences of couplings that implement classical NAND and NOR logic. They examine noise and quantum fluctuations to identify where the scheme remains viable. This is a proposal supported by simulations, not a demonstrated logic device.
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