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Fuzzy torus and q-deformed Lie algebra

机译:模糊环面和q变形李代数

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摘要

It will be shown that the defining relations for fuzzy torus and deformed (squashed) sphere proposed by [J. Amlind, M. Bordemann, L. Hofer, J. Hoppe, H. Shimada, hep-th/0602290] (ABHHS) can be rewritten as a new algebra which contains q-deformed commutators. The quantum parameter q (vertical bar q vertical bar = 1) is a function of h. It is shown that the q -> 1 limit of the algebra with the parameter mu < 0 describes fuzzy S-2 and that the squashed S2 with q :0 1 and It < 0 can be regarded as a new kind of quantum S2. Throughout the Letter the value of the invariant of the algebra, which defines the constraint for the surfaces, is not restricted to be 1. This allows the parameter q to be treated as independent of N (the dimension of the representation) and A. It was shown by ABHHS that there are two types of representations for the algebra, "string solution" and "loop solution". The "loop solution" exists only for q a root of unity (q(N) = 1) and contains undetermined parameters. The 'string solution' exists for generic values of q (q(N) not equal 1). In this Letter we will explicitly construct the representation of the q-deformed algebra for generic values of q (q(N) not equal 1) and it is shown that the allowed range of the value of q + q must be restricted for each fixed N. (c) 2006 Elsevier B.V. All rights reserved.
机译:可以证明[J.J.提出的模糊圆环和变形(压扁)球的定义关系。可以将Amlind,M。Bordemann,L.Hofer,J.Hoppe,H。Shimada,Hep-th / 0602290](ABHHS)重写为包含q变形换向器的新代数。量子参数q(竖线q竖线= 1)是h的函数。结果表明,参数mu <0的代数的q-> 1极限描述了模糊S-2,q = 0 1和It <0的压扁S2可以看作是一种新型的量子S2。在整个字母中,定义表面约束的代数不变量的值不限于1。这允许将参数q视为独立于N(表示的维)和A。 ABHHS指出,代数有两种表示形式,即“字符串解”和“循环解”。 “回路解”仅对于q的单位根(q(N)= 1)存在,并且包含不确定的参数。对于q(q(N)不等于1)的通用值,存在“字符串解决方案”。在这封信中,我们将为q的泛型值(q(N)不等于1)显式构造q变形代数的表示形式,并表明必须为每个固定的q + q值限制范围N.(c)2006 Elsevier BV保留所有权利。

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