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19912026
most citedSciPy 1.0--Fundamental Algorithms for Scientific Computing in Python

40.2k citations

Showing 2001 · hep-thShow all

12 papers · 2 filters

hep-th2001★ 21 cited

Quantum Aspects of GMS Solutions of Noncommutative Field Theory and Large N Limit of Matrix Models

Gautam Mandal, Soo-Jong Rey, Spenta Wadia

We investigate quantum aspects of Gopakumar-Minwalla-Strominger (GMS) solutions of noncommutative field theory (NCFT) at large noncommutativity limit, . Building upon…

hep-th2001★ 78 cited

Tachyon Condensation and Black Hole Entropy

Atish Dabholkar

String propagation on a cone with deficit angle is considered for the purpose of computing the entropy of a large mass black hole. The entropy computed using the…

hep-th2001★ 22 cited

Matrix dynamics of fuzzy spheres

Dileep P. Jatkar, Gautam Mandal, Spenta R. Wadia +1

We study the dynamics of fuzzy two-spheres in a matrix model which represents string theory in the presence of RR flux. We analyze the stability of known static solutions of such a…

hep-th2001★ 5 cited

Effective Action for D-branes on SU(2)/U(1) Gauged WZW Model

Shahrokh Parvizi

Dynamics of D-branes on gauged WZW model are investigated. We find the effective action for infinite , where is the level of WZW model. We also consider finite…

hep-th2001★ 30 cited

On Condensation of Closed-string Tachyons

Atish Dabholkar

An F-theory dual of a nonsupersymmetric orientifold is considered. It is argued that the condensation of both open and closed string tachyons in the orientifold corresponds to the…

hep-th2001★ 33 cited

Disc Instantons in Linear Sigma Models

Suresh Govindarajan, T. Jayaraman, Tapobrata Sarkar

We construct a linear sigma model for open-strings ending on special Lagrangian cycles of a Calabi-Yau manifold. We illustrate the construction for the cases considered by Aganagic…

hep-th2001★ 9 cited

Star Products from Commutative String Theory

Sunil Mukhi

A boundary-state computation is performed to obtain derivative corrections to the Chern-Simons coupling between a p-brane and the RR gauge potential C(p-3). We work to quadratic or…

hep-th2001★ 25 cited

Derivative Corrections from Noncommutativity

Sumit R. Das, Sunil Mukhi, Nemani V. Suryanarayana

We show that an infinite subset of the higher-derivative alpha' corrections to the DBI and Chern-Simons actions of ordinary commutative open-string theory can be determined using n…

hep-th2001★ 11 cited

Unruh Radiation, Holography and Boundary Cosmology

Sumit R. Das, Andrei Zelnikov

A uniformly acclerated observer in anti-deSitter space-time is known to detect thermal radiation when the acceleration exceeds a critical value. We investigate the holographic inte…

hep-th2001★ 32 cited

Space of kink solutions in SU(N)\times Z_2

Levon Pogosian, Tanmay Vachaspati

We find distinct classes (``generations'') of kink solutions in an field theory. The classes are labeled by an integer . The members of one class of…

hep-th2001★ 34 cited

Gauge-Invariant Couplings of Noncommutative Branes to Ramond-Ramond Backgrounds

Sunil Mukhi, Nemani V. Suryanarayana

We derive the couplings of noncommutative D-branes to spatially varying Ramond-Ramond fields, extending our earlier results in hep-th/0009101. These couplings are expressed in term…

hep-th2001★ 24 cited

A class of kinks in SU(N)\times Z_2

Tanmay Vachaspati

In a classical, quartic field theory with symmetry, a class of kink solutions can be found analytically for one special choice of parameters. We construct these…