Communications in Theoretical Physics
Application of Coordinate-Momentum Intermediate Representation in Solving Eigenstate Problem of a Coupled Oscillator System
Pang Qian-Jun
Abstract
We study the eigenstate problem of a kind of coupled oscillators in the new quantum mechanical representation | q ,μ,ν⟩, which is defined as the eigenvector of the operator (μ Q + ν P ), where μ and ν are two real parameters. We also use the U operator transformation method to deal with the same problem. We obtain the normally ordered product expressions of U operator and eigenvector. It is shown that the ground state of system Hamiltonian is a squeezed state.