On spacelike and timelike minimal surfaces in AdS(n)
On spacelike and timelike minimal surfaces in AdS(n)
复制标题
AdS(n) 中的类空和类时极小曲面
DOI:
10.1088/1126-6708/2009/05/048
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发表时间:
2009
影响因子:
5.4
通讯作者:
Wuttke
中科院分区:
文献类型:
--
作者:
Jorjadze;Wuttke
We discuss timelike and spacelike minimal surfaces in AdS n using a Pohlmeyer type reduction. The differential equations for the reduced system are derived in a parallel treatment of both type of surfaces, with emphasis on their characteristic differences. In the timelike case we find a formulation corresponding to a complete gauge fixing of the torsion. In the spacelike case we derive three sets of equations, related to different parameterizations enforced by the Lorentzian signature of the metric in normal space. On the basis of these equations, we prove that there are no flat spacelike minimal surfaces in AdS n, n⩾ 4 beyond the four cusp surfaces used in the Alday-Maldacena conjecture. Furthermore, we give a parameterization of flat timelike minimal surfaces in AdS 5 in terms of two chiral fields.
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影响因子:
4.4
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通讯作者:
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DOI:
--
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1993
期刊:
Physical Review D, Particles and fields
影响因子:
--
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2007
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DOI:
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期刊:
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