Quantum entanglement and teleportation are related concepts in quantum mechanics, but they are not the same thing.
Quantum entanglement refers to a phenomenon where two or more particles become correlated in such a way that the state of one particle is instantaneously connected to the state of another particle, regardless of the distance between them. This correlation is maintained even if the particles are physically separated. When two particles are entangled, their properties become intertwined, and measuring the state of one particle can instantly determine the state of the other, regardless of the spatial separation between them. This behavior is often referred to as "spooky action at a distance."
Quantum teleportation, on the other hand, is a protocol in quantum information theory that allows for the transfer of the quantum state of a particle from one location to another, without physically moving the particle itself. It relies on the principles of quantum entanglement to achieve this transfer. In the process of teleportation, the quantum state of the particle to be teleported is entangled with another particle at the receiving end, and through a series of measurements and classical communication, the quantum state is effectively transferred to the distant particle. The original particle's state is destroyed in the process.
While quantum teleportation does involve the use of entanglement to transfer quantum states, it is not a form of physical transportation or instantaneous movement of matter. It is a method for transmitting the information encoded in a quantum state to a distant location without physically sending the particle itself. The actual particles involved in the teleportation process are not physically moved or transported.
In summary, quantum entanglement is a phenomenon where particles become correlated regardless of distance, while quantum teleportation is a protocol that utilizes entanglement to transfer the information encoded in a quantum state to a distant location without physically moving the particle.