By invoking the concept of displaced number state in quantum optics,the complete eigen-states in one-dimensional mesoscopic rings with electron-phonon coupling are abtained and the eignevalues followed.It is shown tha...By invoking the concept of displaced number state in quantum optics,the complete eigen-states in one-dimensional mesoscopic rings with electron-phonon coupling are abtained and the eignevalues followed.It is shown that the eigenvalues and persistent current depend on both coupling strength and phonon number.展开更多
基金Supported by the Science Foundation of Jilin Education Committee for Young Scientists(No.96-15).
文摘By invoking the concept of displaced number state in quantum optics,the complete eigen-states in one-dimensional mesoscopic rings with electron-phonon coupling are abtained and the eignevalues followed.It is shown that the eigenvalues and persistent current depend on both coupling strength and phonon number.