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2017

2017

A bstractWe elaborate on the class of deformed T-dual (DTD) models obtained by first adding a topological term to the action of a… Expand

Highly Cited

2014

Highly Cited

2014

In this thesis we consider certain supersymmetric string theories on curved backgrounds containing the three-dimensional anti-de… Expand

2014

2014

We find the entire form of the amplitude of two fermion strings (with different chiralities), a massless scalar field and one… Expand

2013

2013

We explore the closed form of the correlation function of four spin operators (including one closed string Ramond–Ramond (RR) and… Expand

2013

2013

A bstractBy dealing with the evaluation of string theory correlators of $ <{V_C}{V_T}{V_{\overline{\varPsi}}}{V_{\varPsi… Expand

2012

2012

In this work we study the well-known contact term, which is the key element in resolving the so-called $U(1{)}_{A}$ problem in… Expand

Highly Cited

2001

Highly Cited

2001

Abstract We propose the leading couplings, in an α ′ expansion, of D-branes to Ramond–Ramond (RR) potentials in a constant NS–NS… Expand

Highly Cited

2000

Highly Cited

2000

A recent paper by Moore and Witten [1] explained that Ramond-Ramond fields in type-II superstring theory have a global meaning in… Expand

Highly Cited

1999

Highly Cited

1999

We clarify a number of issues regarding the worldsheet and spacetime descriptions of string propagation on AdS3. We construct the… Expand

Highly Cited

1997

Highly Cited

1997

Covariant actions for the bosonic fields of D = 10 IIB supergravity are constructed with the help of a single auxiliary scalar… Expand