By the aid of the generalized linear quantum transform theory,we present for the multimode boson exponential quadratic operators two theorems to change the operator expressions among usual,normal and anti-normal order...By the aid of the generalized linear quantum transform theory,we present for the multimode boson exponential quadratic operators two theorems to change the operator expressions among usual,normal and anti-normal orderings.展开更多
A general approach to antinormally ordering the boson exponential quadratic operators(EQOs)is presented.By the approach,some important EQOs,including squeezed operator of one mode and two mode,linear quantum transform...A general approach to antinormally ordering the boson exponential quadratic operators(EQOs)is presented.By the approach,some important EQOs,including squeezed operator of one mode and two mode,linear quantum transformation operator,Bogolubov transformation operator are antinormally ordered.展开更多
Based on the linear quantum transformation theory,we present a new approach to obtain the explicit expressions of energy spectrum and simplify the derivations of partition functions for general multi-mode boson and fe...Based on the linear quantum transformation theory,we present a new approach to obtain the explicit expressions of energy spectrum and simplify the derivations of partition functions for general multi-mode boson and fermion quadratic systems.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.19575044.
文摘By the aid of the generalized linear quantum transform theory,we present for the multimode boson exponential quadratic operators two theorems to change the operator expressions among usual,normal and anti-normal orderings.
基金Supported by the National Natural Science Foundation of China。
文摘A general approach to antinormally ordering the boson exponential quadratic operators(EQOs)is presented.By the approach,some important EQOs,including squeezed operator of one mode and two mode,linear quantum transformation operator,Bogolubov transformation operator are antinormally ordered.
基金Supported by the National Natural Science Foundation of China under Grant No.19575044.
文摘Based on the linear quantum transformation theory,we present a new approach to obtain the explicit expressions of energy spectrum and simplify the derivations of partition functions for general multi-mode boson and fermion quadratic systems.