Extended supersymmetric BMS3 algebras and their free field realisations

被引：35

作者：

Banerjee, Nabamita ^{[1
]}

Jatkar, Dileep P. ^{[2
,3
]}

Lodato, Ivano ^{[1
]}

Mukhi, Sunil ^{[1
]}

Neogi, Turmoli ^{[1
]}

机构：

[1] Indian Inst Sci Educ & Res, Honbi Bhabha Rd, Pune 411008, Maharashtra, India

[2] Harish Chandra Res Inst, Chhatnag Rd, Allahabad 211019, Uttar Pradesh, India

[3] Homi Bhabho Natl Inst, Training Sch Complex, Bombay 400085, Maharashtra, India

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2016年 / 11期

关键词：

Conformal Field Theory; Extended Supersymmetry; Gauge-gravity correspondence; Space-Time Symmetries; GRAVITATIONAL WAVES; GENERAL RELATIVITY;

D O I：

10.1007/JHEP11(2016)059

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We study N = (2, 4, 8) supersymmetric extensions of the three dimensional BMS algebra (BMS3) with most generic possible central extensions. We find that N-extended supersymmetric BMS3 algebras can be derived by a suitable contraction of two copies of the extended superconformal algebras. Extended algebras from all the consistent contractions are obtained by scaling left-moving and right-moving supersymmetry generators symmetrically, while Virasoro and R-symmetry generators are scaled asymmetrically. On the way, we find that the BMS/ GCA correspondence does not in general hold for supersymmetric systems. Using the beta-gamma and the b-c systems, we construct free field realisations of all the extended super-BMS3 algebras.

引用

页数：23

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