scholarly journals Twistor strings with flavour

2007 ◽  
Vol 2007 (11) ◽  
pp. 088-088 ◽  
Author(s):  
James Bedford ◽  
Constantinos Papageorgakis ◽  
Konstantinos Zoubos
Keyword(s):  
Twistor Strings

Chiral strings, topological branes, and a generalised Weyl-invariance

2019 ◽  
Vol 34 (06n07) ◽  
pp. 1950031 ◽  
Author(s):  
Alex S. Arvanitakis
Keyword(s):  
Field Theory ◽  
Sigma Model ◽  
Space Time ◽  
Symplectic Space ◽  
Topological Field Theory ◽  
Brst Operator ◽  
Weyl Invariance ◽  
Fixed Action ◽  
Twistor Strings ◽  
Topological Field

We introduce a sigma model Lagrangian generalising a number of new and old models which can be thought of as chiral, including the Schild string, ambitwistor strings, and the recently introduced tensionless AdS twistor strings. This “chiral sigma model” describes maps from a [Formula: see text]-brane worldvolume into a symplectic space and is manifestly invariant under diffeomorphisms as well as under a “generalised Weyl invariance” acting on space–time coordinates and worldvolume fields simultaneously. Construction of the Batalin–Vilkovisky master action leads to a BRST operator under which the gauge-fixed action is BRST-exact; we discuss whether this implies that the chiral brane sigma model defines a topological field theory.

Twistor Strings and Supergravity

2007 ◽  
Author(s):  
Mohab Abou-Zeid
Keyword(s):  
Twistor Strings

scholarly journals Twistor-strings, Grassmannians and leading singularities

2010 ◽  
Vol 2010 (3) ◽  
Author(s):  
Mathew Bullimore ◽  
Lionel Mason ◽  
David Skinner
Keyword(s):  
Twistor Strings

scholarly journals Adding flavour to twistor strings

2008 ◽  
Vol 110 (10) ◽  
pp. 102001
Author(s):  
J Bedford ◽  
C Papageorgakis ◽  
K Zoubos
Keyword(s):  
Twistor Strings

Twistor Strings, Gauge Theory and Gravity

2008 ◽  
Author(s):  
Mohab Abou-Zeid ◽  
John Ellis ◽  
Salah Nasri ◽  
Ehab Malkawi
Keyword(s):  
Gauge Theory ◽  
Twistor Strings

scholarly journals Twistor-strings and gravity tree amplitudes

2013 ◽  
Vol 30 (7) ◽  
pp. 075020 ◽  
Author(s):  
Tim Adamo ◽  
Lionel Mason
Keyword(s):  
Twistor Strings

Twistor strings and supergravity

2007 ◽  
Vol 55 (5-7) ◽  
pp. 621-626
Author(s):  
M. Abou-Zeid
Keyword(s):  
Twistor Strings
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