Based on the numerical wave function solutions of neutral atoms with attractive interaction in a harmonic trap,we propose an exactly solvable model for macroscopic quantum tunneling of a Bose condensate with attractiv...Based on the numerical wave function solutions of neutral atoms with attractive interaction in a harmonic trap,we propose an exactly solvable model for macroscopic quantum tunneling of a Bose condensate with attractive interaction.We calculate the rate of macroscopic quantum tunneling from a metastable condensate state to the collapse state and analyze the stability of the attractive Bose-Einstein condensation.展开更多
We present the first results for the analytic solution of the dissipative Jaynes-Cummings model and its application to the collapse and revival of atomic inversion. We find that the atomic inversion oscillates more an...We present the first results for the analytic solution of the dissipative Jaynes-Cummings model and its application to the collapse and revival of atomic inversion. We find that the atomic inversion oscillates more and more slowly with decreasing Rabi frequency due to the cavity losses. At the same time, long drawn-out revivals after collapse are observed.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.69778011.
文摘Based on the numerical wave function solutions of neutral atoms with attractive interaction in a harmonic trap,we propose an exactly solvable model for macroscopic quantum tunneling of a Bose condensate with attractive interaction.We calculate the rate of macroscopic quantum tunneling from a metastable condensate state to the collapse state and analyze the stability of the attractive Bose-Einstein condensation.
基金the National Natural Science Foundation of China under Grant No.69778011.
文摘We present the first results for the analytic solution of the dissipative Jaynes-Cummings model and its application to the collapse and revival of atomic inversion. We find that the atomic inversion oscillates more and more slowly with decreasing Rabi frequency due to the cavity losses. At the same time, long drawn-out revivals after collapse are observed.
