The non-Gaussianity (nonG) of a continuous-variable (CV) quantum state $ \rho $ is defined as the quantum relative entropy distance between $ ...
A celebrated phase-space description of nonclassicality in single-mode quantum oscillators is based on the presence of negative regions of the...
The basic idea of contour integration is to extend the concept of integration from the real line to the complex plane. Instead of integrating ...
By M. Lieber Received 18 June 1974
On the Theory of the Hydrogen Atom by V. Fock, Leningrad (Received August 5, 1935)
Theory of the Hydrogen Atom
Free particle in three dimensions
One-dimensional harmonic oscillator
The stationary one-dimensional Schrödinger equation is
Legendre maps, generating functions, canonical conditions, Poisson and Lagrange brackets, and invariance.
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