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The MIT researchers controlled quantum randomness.



The quantum randomness means that the system status is not preordered before measurement. And the problem with that thing is that measurement requires energy from the system. So every time we try to measure the system, we affect its status. We don't know the system status before measurement. And that makes this thing problematic. Quantum computing requires precise and full knowledge of the system. Because if there is some kind of random actor that affects qubits,

The base of the qubit is in superposition with an elementary particle. When we think about quantum technology, that means there are dents in the elementary particle or its quantum field. The spin means that there is a possibility that the position of those dents is very hard to predict. And the quantum systems require full control of the qubits. If the system can control the positions of those small dents or potholes.

The other thing is that we cannot measure the depth of those quantum potholes before measurement. If the system can control quantum randomness, that is a great moment for quantum computers. Controlling the system before measurements can be made is done by pumping a certain number of photons that are at a certain energy level into the system.

The system will spit extra energy away when energy stress ends. The problem is that those photons must have the same energy load or energy level as the photon that is sent to the system. So that allows us to create sensors that pump single photons into the system.


When the system uses measurements, it sends photons to the system. Then that system releases its extra energy back to the sender. And if the environment is stable, that extra energy has the same level as the energy that is pumped into the targeted system.

The system releases the number of photons that match the sum of the energy of all photons pumped into the system. If conditions are stable, the system releases the energy that is pumped into it. And that makes it easier to control the information that the system delivers. That thing can also make measurements where it is possible to measure the energy that travels through the measurement tool. And that thing is the key to the next-generation quantum systems.

Basically, one of the things that we must realize is that the qubit must be fully controlled so that there is some kind of benefit from it. Control means measurement. Without measurements, the system doesn't know. What is the energy level of the qubits? And when data transportation into the qubit starts, the system must know the energy level at the moment when it transports data to the system.


https://phys.org/news/2023-08-quantum-sensors-paving-technologies.html

https://thedebrief.org/impossible-science-mit-scientists-successfully-demonstrate-first-ever-control-over-quantum-randomness/

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