<正> With symbolic computation,the Hirota method and Riemann theta function are employed to directlyconstruct the periodic wave solutions for the Hirota-Satsuma
<正> Negativity has been adopted to investigate the entanglement in a system composed of a two-level atom anda two-mode cavity field.Effects of Kerr-like medium
<正> A four-party scheme is put forward for a sender to partition arbitrary single-qubit information amongthree receivers by utilizing a class of asymmetric fou