The Heisenberg uncertainty principle in quantum mechanics implies that vacuum fluctuations are present in every quantum theory.
The main problem of quantum cosmology is the lack of a quantum theory of gravity.
Einstein quantum theory COMPLEXITY AT LOW REYNOLDS NUMBER.
Rev. Lett., 30 April 2001.) atomic physics computers Einstein quantum theory COMPLEXITY AT LOW REYNOLDS NUMBER.
In 1925 Heisenberg had developed the first coherent mathematical formalism for quantum theory (Heisenberg, 1925 ).