Yes, quantum entanglement is subject to the "speed of light" limit for transferring information between two distant points. This limit arises from the principle of causality, which states that no information can be transmitted faster than the speed of light in a vacuum.
Quantum entanglement is a phenomenon where two or more particles become correlated in such a way that the state of one particle cannot be described independently of the state of the other, regardless of the distance between them. When two particles are entangled, measuring the state of one particle instantaneously affects the state of the other, no matter how far apart they are.
However, it is important to note that while entanglement allows for instantaneous correlations, it does not enable faster-than-light communication. The reason is that measuring the state of one entangled particle does not provide any information until the measurement results are transmitted conventionally using classical communication methods, which are subject to the speed of light limit.
For example, let's consider two entangled particles separated by a large distance. If a measurement is performed on one of the particles, the state of the other particle is instantaneously determined. However, to communicate this information to an observer at the distant location, classical means of communication, such as sending a message or signal, must be used. The transmission of this classical information is limited by the speed of light, ensuring that no information is transmitted faster than light speed.
Therefore, while entanglement allows for the establishment of instantaneous correlations between particles, it does not violate the speed of light limit or enable faster-than-light communication.