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The Quantum Communications Hub is a quantum technology research hub established as part of the UK National Quantum Technologies Programme. The hub is a consortium of 8 UK universities and 13 industrial partners, which received funding of £24m over a 5-year period. [1] The hub will develop techniques for quantum key distribution (QKD), and in ...
In quantum field theory n-dimensional integrals of the form (()) appear often. Here ℏ {\displaystyle \hbar } is the reduced Planck constant and f is a function with a positive minimum at q = q 0 {\displaystyle q=q_{0}} .
Quantum gravity (QG) is a field of theoretical physics that seeks to describe gravity according to the principles of quantum mechanics.It deals with environments in which neither gravitational nor quantum effects can be ignored, [1] such as in the vicinity of black holes or similar compact astrophysical objects, as well as in the early stages of the universe moments after the Big Bang.
The implication is that a quantum field theory on noncommutative spacetime can be interpreted as a low energy limit of the theory of open strings. Two papers, one by Sergio Doplicher, Klaus Fredenhagen and John Roberts [5] and the other by D. V. Ahluwalia, [6] set out another motivation for the possible noncommutativity of space-time.
Loop quantum gravity (LQG) is a theory of quantum gravity that incorporates matter of the Standard Model into the framework established for the intrinsic quantum gravity case. It is an attempt to develop a quantum theory of gravity based directly on Albert Einstein 's geometric formulation rather than the treatment of gravity as a mysterious ...