| Wentzel—Kramers—Brillouin Approximation for Dynamic Systems with Kinetic Coupling in Entangled State Representations |
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| 作者姓名： | 范洪义 |
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| 作者单位： | DepartmentofAppliedPhysics,ShanghaiJiaoTongUniversity,Shanghai200030 |
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| 摘 要： | We study the Wentzel-Kramers-Brillouin (WKB) approximation for dynamic systems with kinetic couplings in entangled state representations.The result shows that the kinetic coupling will affect the position of classical turning points where the condition of using the WKB approximation breaks down.The modified WKB approximation formula is derived in the entangled state representation,for example,the common eigenvector of the relative coordinate and the total momentum of two particles.The corresponding Bohr-Sommerfeld quantization rule is also derived.
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| 关 键 词： | 量子力学 交缠态表示 运动耦合动力系统 WKB 近似 |
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