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arXiv quant-ph/9810043quant-phhep-thmath-phmath.MP
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(近)40 ℃下的相干态路径积分

Coherent State Path Integrals at (Nearly) 40

John R. Klauder

摘要:

相干态可以用于量子物理学中的各种应用,包括相干态路径积分的构造。大多数定义使用晶格正则化;然而,最近的定义采用连续时间正则化,可能涉及集中在连续相空间路径上的维纳测度。在只涉及动力学变量和拉格朗日乘子变量的相干态路径积分中,约束的引入既自然又经济。这些程序如何可能被应用到量子引力的初步指示进行了简要的讨论。

英文摘要:

Coherent states can be used for diverse applications in quantum physics including the construction of coherent state path integrals. Most definitions make use of a lattice regularization; however, recent definitions employ a continuous-time regularization that may involve a Wiener measure concentrated on continuous phase space paths. The introduction of constraints is both natural and economical in coherent state path integrals involving only the dynamical and Lagrange multiplier variables. A preliminary indication of how these procedures may possibly be applied to quantum gravity is briefly discussed.

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