膨胀宇宙中任意自旋模的纠缠
Entanglement of arbitrary spin modes in an expanding universe
摘要：
对粒子的产生是弯曲时空中场论领域的一个众所周知的效应。结果表明，在FRW时空中，自旋0模和自旋1/2模的纠缠代数是不同的.利用Duffin-Kemmer-Petiao（DKP）方程研究了FRW时空中自旋为1的粒子，得到了纠缠度的一个度量。此外，我们考虑自旋为3/2的粒子。我们认为自旋的绝对值在纠缠产生中不起任何作用，这种差异是由于玻色子或费米性质。
英文摘要：
Pair particle creation is a well-known effect on the domain of field theory in curved space-time. It is shown that the entanglement generations for spin-0 and spin-1/2 modes are different in Friedmann-Robertson-Walker (FRW) space-time. We consider the spin-1 particles in FRW space-time using Duffin-Kemmer-Petiao (DKP) equation and obtain a measure of the generated entanglement. Also, we consider the spin-3/2 particles. We argue that the absolute value of the spin does not play any role in entanglement generation and the differences are due to the bosonic or fermionic properties.
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