In spite of their simple description in terms of rotations or symplectic transformations in phase space, quadratic Hamiltonians such as those modelling the most common Gaussian operations on bosonic ...
This is a preview. Log in through your library . Abstract We consider a stochastic process Y defined by an integral in quadratic mean of a deterministic function f with respect to a Gaussian process X ...
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 258, No. 1294 (Oct. 25, 1960), pp. 402-411 (10 pages) Some years ago the author proved that explicit ...