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arXiv 1406.5992hep-thcond-mat.str-el
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从AdS $_5$到超标度违反Lifshitz时空的插值解

Interpolating solution from AdS$_5$ to hyperscaling violating Lifshitz space-time

Parijat Dey, Shibaji Roy

摘要:

我们构造了II型弦理论中的两个插值解,它们是在UV中的AdS $_5$和IR中的超标度违反三维Lifshitz时空之间的插值。第一个解是非超对称的,并且是从IIB型弦理论中已知的与不带电的D 0-膜相交的非超对称D3-膜解得到的,通过限制一些表征解的参数并转到新的坐标。在IR中,非定常子一般是非定常的,度量是具有动力学临界指数$z=(3+3γ)/(3-γ)$和超标度违反指数$θ= 12/(3-γ)$的三维超标度违反Lifshitz,其中$γ$是实参数,并且可以从$-1$到$+1$取连续值。在两个极值处,即,对于$γ= \pm 1$,π介子是常数。第二个解是超对称的,是从IIA型弦理论已知的F-D2束缚态解通过放大到特定的空间区域而得到的。在UV中,给出了一个T-对偶框架AdS $_5$的描述,而在IR中,给出了一个由$z=3$和$θ=2=d-1$构成的三维超标度违反Lifshitz.

英文摘要:

We construct two interpolating solutions in type II string theory which interpolate between an AdS$_5$ in the UV and a hyperscaling violating three (spatial) dimensional Lifshitz space-time in the IR. The first solution is non-supersymmetric and is obtained from a known intersecting non-supersymmetric D3-brane with chargeless D0-brane solution of type IIB string theory, by restricting some parameters characterizing the solution and going to a new coordinate. In the IR the dilaton is non-constant in general and the metric is three (spatial) dimensional hyperscaling violating Lifshitz with dynamical critical exponent $z=(3+3γ)/(3-γ)$ and hyperscaling violation exponent $θ= 12/(3-γ)$, where $γ$ is a real parameter and can take continuous values from $-1$ to $+1$. At the two extreme values, i.e., for $γ= \pm 1$, the dilaton is constant. The second solution is supersymmetric and is obtained from the known F-D2 bound state solution of type IIA string theory by zooming into a particular region of space. In the UV, the proper description is given in a T-dual frame which is AdS$_5$, whereas in the IR, it gives a three dimensional hyperscaling violating Lifshitz with $z=3$ and $θ=2=d-1$.

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