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arXiv 1012.5158hep-thmath-phmath.MP
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一个Hopf代数扭曲变形的非对易振子。第一原理推导

Noncommutative oscillators from a Hopf algebra twist deformation. A first principles derivation

P. G. Castro, B. Chakraborty, R. Kullock, F. Toppan

摘要:

非对易振子通过一个Hopf代数的交换Drinfel扭曲变形及其对模的作用而首次量子化。几个重要的和微妙的问题,使量化的解决。计算了单粒子哈密顿量的谱。多粒子哈密顿量是固定的,明确地,由Hopf代数余积。保证了粒子交换下的对称性。在d=2维中,旋转不变性被保留,而在d=3维中,so(3)旋转不变性被分解为so(2)不变性。

英文摘要:

Noncommutative oscillators are first-quantized through an abelian Drinfel'd twist deformation of a Hopf algebra and its action on a module. Several important and subtle issues making possible the quantization are solved. The spectrum of the single-particle Hamiltonians is computed. The multi-particle Hamiltonians are fixed, unambiguously, by the Hopf algebra coproduct. The symmetry under particle exchange is guaranteed. In d=2 dimensions the rotational invariance is preserved, while in d=3 the so(3) rotational invariance is broken down to an so(2) invariance.

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