Quantum entanglement and fixed-point bifurcations
Contribuinte(s) |
B. Crasemann |
---|---|
Data(s) |
01/01/2005
|
Resumo |
How does the classical phase-space structure for a composite system relate to the entanglement characteristics of the corresponding quantum system? We demonstrate how the entanglement in nonlinear bipartite systems can be associated with a fixed-point bifurcation in the classical dynamics. Using the example of coupled giant spins we show that when a fixed point undergoes a supercritical pitchfork bifurcation, the corresponding quantum state-the ground state-achieves its maximum amount of entanglement near the critical point. We conjecture that this will be a generic feature of systems whose classical limit exhibits such a bifurcation. |
Identificador | |
Idioma(s) |
eng |
Publicador |
American Physical Society |
Palavras-Chave | #Optics #Physics, Atomic, Molecular & Chemical #Phase-space #Mechanics #Chaos #State #C1 #240301 Atomic and Molecular Physics #780102 Physical sciences |
Tipo |
Journal Article |