• Amitesh Anand Pandey

Quantum Computing and Chaos Theory



So, what is Chaos Theory? Moreover, how does it relate to Quantum Computing? In 1887, Henri Poincare, a mathematician renowned for a multitude of achievements in academic fields, came across a system that comprised of an object going around in orbits. Nothing too awkward right? Earth goes around in orbits; Electrons go around in orbits but, this system was different. Unlike the Earth or the Electron, this object was not moving in a fixed path, and it was not going anywhere. This event was the birth of The Chaos Theory. It models particles that move randomly. They don't have a destination, nor a fixed route. It is a mathematical concept that has been used countless times to illustrate phenomena in nature, like Brownian Motion (the movement of dust particles in the air). Now is the time to put countless pages of research to the test, Quantum Computing may provide the best test for theoretical Mathematics. To understand the use of chaos in Quantum Computing, we first need to have a look at how Quantum Computing functions. The basic premise that enables Quantum Computers to be as fast as they are is that Qubits (Quantum bits that hold information) can be entangled with each other(inter-twined) and communicate information at a faster rate than conventional bits. To get any 2 Qubits to be inter-twined, we need Photons. One approach to Quantum Computing includes having photons hit quantum particles so that both of them get entangled. The problem is that there are not many efficient ways of doing so unless we introduce chaos to the picture. In 2018, a team of researchers from the Technical University of Denmark cracked the code they were able to redirect photons at very effective rates and with much control with the help of randomness and chaos. It all started with when they built a defective material to redirect light. They observed that imperfection could be efficient at capturing light (which was not their initial goal). From there on, they have been able to prove that chaos theory, when applied to materials that are made to capture light, can function 15 times faster. This model proves to be a viable method to approach quantum computing, and it leaves the physicist with an option to try. However, for now, all we can do is hope for the best, but still, recognize that quantum computing can bring in a variety of complications in modern-day life. I leave you with a quote by Arthur Schopenhauer which inspires me to believe in the technological process of change.


Change alone is eternal, perpetual, immortal.


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