Researchers solved that heat destroys quantum entanglement.

"Scientists have uncovered how qubits lose energy through a straightforward experiment involving Josephson junctions. They traced thermal dissipation to radiation within the qubit circuits, offering insights crucial to advancing quantum computing. Credit: SciTechDaily.com" (ScitechDaily, Finally Revealed: The Surprising Cause of Qubit Decay in Quantum Computers)

Researchers at Aalto University found out that heat destroys quantum entanglement. Thermal radiation causes a non-controlled effect between quantum entanglements. And that thing destroys the bond between particles. When thermal radiation crosses the string, that connects particles. 

That thing causes waves. And then entropy in the string between the superpositioned and entangled particles. Entropy is the thing. That destroys all of those systems that require extremely sharp control. And the thing that causes entropy is some unknown effect. When the quantum computer starts its operation. 

The thermal effect is radiation or wave movement in the infrared area in the electromagnetic spectrum. When that radiation hits the particles in the quantum entanglement it makes them shine brighter than they should. That shine affects the quantum entanglement's information. And causes anomalies in the states of the qubits. The thermal effect causes problems for the receiver, that it cannot determine the qubit state. 

It must have full control of those particles. That forms the quantum entanglement. The rule of the quantum entanglement's stability is that the system must keep another side of the entanglement on a higher energy level than the other. When both particles reach the same energy level. That causes a standing wave that destroys the superposition and entanglement. 

Changes in temperature in the quantum computer affect the layer where the photon or some other qubit hovers. And then that thing changes the distance of the parts of the qubit. The changes in the distance of the superpositioned and entangled particles are destructive. 

When the quantum computer loads data into the qubit it stores data into the layers. The qubit itself looks a little bit like an onion, and when it transports data from the transmitter to the receiver, it sends one layer of the onion to the receiver. The qubit is normally made using photons which makes them quite hard to control. The photon doesn't react to magnetic fields and that makes it easier to control than ions. 

The problem is that the layers that the system uses to control the qubit react to the magnetic fields and changes in temperature. When the temperature changes that affects the platform that controls the photon. Then that effect causes a difference in the range between the superpositioned and entangled particles. And that thing disturbs the quantum entanglement. 

https://scitechdaily.com/finally-revealed-the-surprising-cause-of-qubit-decay-in-quantum-computers/

https://www.quantamagazine.org/computer-scientists-prove-that-heat-destroys-entanglement-20240828/