Entanglement is arguably the essence of Quantum Mechanics. It characterizes quantum correlation in states of condensed matter and quantum field theories. It provides the resources for quantum communication in the form of teleportation and cryptography. It establishes the obstruction to classicaly simulate quantum systems in an efficient way. It may well pave the way to understand blackhole physics. We shall review the way some of these ideas have rapidly developed in recent years.
School of Physics and Astronomy
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