The hedgehog asymptotic of skyrmion obviously mixes the spatial and isotopic d.o.f.. The local gauge invariance requires invariance under separate space and body rotations. In the configuration of a rigid rotator, a r...The hedgehog asymptotic of skyrmion obviously mixes the spatial and isotopic d.o.f.. The local gauge invariance requires invariance under separate space and body rotations. In the configuration of a rigid rotator, a rotation of space-fixed axes is performed by left multiplication of a rotation matrix where lower/upper components refer to space/body axes, and a rotation of the body space-fixed axes relative to the body is given by right multiplication.展开更多
Entanglement is an essential hallmark of quantumness.In a sense,almost all composite quantum systems are entangled.Entanglement can occur in any quantum system(even in macroscopic realms),regardless of whether they ar...Entanglement is an essential hallmark of quantumness.In a sense,almost all composite quantum systems are entangled.Entanglement can occur in any quantum system(even in macroscopic realms),regardless of whether they are separate systems or separate DOFs of a single system.Based on the Skyrme model,we show that a baryon is entangled in its spin and isospin degrees of freedom(DOFs)[1]and in the mode bases of the Fock space,in much the same way as the mode entanglements of the single-particle atomic and optical systems.展开更多
基金National Natural Science Foundation of China(11105188, 11047141)
文摘The hedgehog asymptotic of skyrmion obviously mixes the spatial and isotopic d.o.f.. The local gauge invariance requires invariance under separate space and body rotations. In the configuration of a rigid rotator, a rotation of space-fixed axes is performed by left multiplication of a rotation matrix where lower/upper components refer to space/body axes, and a rotation of the body space-fixed axes relative to the body is given by right multiplication.
基金National Natural Science Foundation of China(11105188,11047141)。
文摘Entanglement is an essential hallmark of quantumness.In a sense,almost all composite quantum systems are entangled.Entanglement can occur in any quantum system(even in macroscopic realms),regardless of whether they are separate systems or separate DOFs of a single system.Based on the Skyrme model,we show that a baryon is entangled in its spin and isospin degrees of freedom(DOFs)[1]and in the mode bases of the Fock space,in much the same way as the mode entanglements of the single-particle atomic and optical systems.
