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14 papers · 2 filters
Integration Measure and Spectral Flow in the Critical N=2 String
Olaf Lechtenfeld
I present the moduli space of the (2+2)-dimensional critical closed fermionic string with two world-sheet supersymmetries. The integration of fermionic and Maxwell moduli in the pr…
Conformal Invariance, N-extended Supersymmetry and Massless Spinning Particles in Anti-de Sitter Space
S. M. Kuzenko, J. V Yarevskaya
Starting with a manifestly conformal ( invariant) mechanics model in space and 2 time dimensions, we derive the action for a massless spinning particle in -dimension…
Determinant representation for a quantum correlation function of the lattice sine-Gordon model
Fabian H. L. Essler, Holger Frahm, Alexander R. Its +1
We consider a completely integrable lattice regularization of the sine-Gordon model with discrete space and continuous time. We derive a determinant representation for a correlatio…
N=2 String Loops and Spectral Flow
S. V. Ketov
Based on our previous studies of the BRST cohomology of the critical N=2 strings, we construct the loop measure and make explicit the role of the spectral flow at arbitrary genus a…
Massive spinning particle on anti-de Sitter space
S. M. Kuzenko, S. L. Lyakhovich, A. Yu. Segal +1
To describe a massive particle with fixed, but arbitrary, spin on anti-de Sitter space , we propose the point-particle model with configuration space ${\cal M}^6 = M^{4}…
On the BRST Cohomology of N=2 Strings
Olaf Lechtenfeld
We analyze the BRST cohomology of the critical N=2 NSR string using chiral bosonization. Picture-changing and spectral flow is made explicit in a holomorphic field basis. The integ…