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4 papers · 2 filters
BPS spectrum, wall crossing and quantum dilogarithm identity
Dan Xie
BPS spectrum with finite number of states are found for higher rank four dimensional N=2 theory engineered from six dimensional A_{N-1} (2,0) theory on a Riemann surface with vario…
Solving the Simplest Theory of Quantum Gravity
Sergei Dubovsky, Raphael Flauger, Victor Gorbenko
We solve what is quite likely the simplest model of quantum gravity, the worldsheet theory of an infinitely long, free bosonic string in Minkowski space. Contrary to naive expectat…
On Shape Dependence and RG Flow of Entanglement Entropy
Igor R. Klebanov, Tatsuma Nishioka, Silviu S. Pufu +1
We use a mix of field theoretic and holographic techniques to elucidate various properties of quantum entanglement entropy. In (3+1)-dimensional conformal field theory we study the…
Effective String Theory Revisited
Sergei Dubovsky, Raphael Flauger, Victor Gorbenko
We revisit the effective field theory of long relativistic strings such as confining flux tubes in QCD. We derive the Polchinski-Strominger interaction by a calculation in static g…