Superstrings in graviphoton background and N=1/2+3/2 supersymmetry

Superstrings in graviphoton background and N=1/2+3/2 supersymmetry
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引力光子背景中的超弦和 N=1/2 3/2 超对称性

DOI:
10.1088/1126-6708/2003/07/010
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发表时间:
2003
影响因子:
5.4
通讯作者:
N. Seiberg
N. Seiberg
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
N. Berkovits;N. Seiberg

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在Ooguri和Vafa的激励下,我们在恒定自对偶重力光子背景下研究了平面4中的超弦。在此背景下,超重力运动方程得到满足,使平面空间的= 2d = 4超庞加莱代数变形为另一种具有8个超荷的代数。这个空间中的d膜保留了四分之一的增压;即= 1/2超对称是线性实现的,其余的= 3/2超对称是非线性实现的。膜上的理论可以描述为非交换超空间中的理论,其中= 1 d = 4超空间的手性费米子坐标θα不是Grassman变量,而是满足Clifford代数。
Motivated by Ooguri and Vafa, we study superstrings in flat 4 in a constant self-dual graviphoton background. The supergravity equations of motion are satisfied in this background which deforms the = 2 d = 4 flat space super-Poincare algebra to another algebra with eight supercharges. A D-brane in this space preserves a quarter of the supercharges; i.e. = 1/2 supersymmetry is realized linearly, and the remaining = 3/2 supersymmetry is realized nonlinearly. The theory on the brane can be described as a theory in noncommutative superspace in which the chiral fermionic coordinates θα of = 1 d = 4 superspace are not Grassman variables but satisfy a Clifford algebra.
Dijkgraaf-Vafa 理论作为大量氮减少。
DOI: --
发表时间: 2003
期刊: Nucl.Phys. B664
影响因子: --
作者:
Masafumi Fukuma;Hikaru Kawai;Masao Ninomiya;Hikaru Kawai
通讯作者: Hikaru Kawai