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Construction of nonlocal light-cone operators with definite twist
B. Geyer, M. Lazar, D. Robaschik
A systematic procedure is introduced to uniquely decompose nonlocal LC-operators into harmonic operators of well defined geometric twist. The method will be demonstrated for (pseud…
Representation of the virtual Compton amplitude for polarized scattering in the generalized Bjorken region
J. Blümlein, B. Gezer, D. Robaschik
The Compton amplitude is calculated in terms of expectation values of light-ray quark operators. As a technical tool we apply the nonlocal light-cone expansion. Thereby we express…
The Virtual Compton Amplitude in the Generalized Bjorken Region: Twist--2 Contributions
J. Blümlein, B. Geyer, D. Robaschik
A systematic derivation is presented of the twist-2 anomalous dimensions of the general quark and gluon light-ray operators in the generalized Bjorken region in leading order both…
Thermodynamics of the Casimir effect
H. Mitter, D. Robaschik
A complete thermodynamic treatment of the Casimir effect is presented. Explicit expressions for the free and the internal energy, the entropy and the pressure are discussed. As an…
Decomposition of nonlocal light-cone operators into harmonic operators of definite twist
B. Geyer, M. Lazar, D. Robaschik
Bilocal light-ray operators which are Lorentz scalars, vectors or antisymmetric tensors, and which appear in various hard scattering QCD processes, are decomposed into operators of…