<正> Usually the Virial theorem,which can be derived from the Feynman-Hellmann theorem,applies to Hamil-tonians without coordinates-momentum coupling.In this pa
<正>A multi-sender-controlled quantum teleportation scheme is proposed to teleport several secret quan- tum states from different senders to a distance receiver
<正> In this paper,extended projective Riccati equation method is presented for constructing more new exactsolutions of nonlinear differential equations in math