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Showing 2000 · hep-thShow all
3 papers · 2 filters
hep-th2000★ 55 cited
Unitary dynamics of spherical null gravitating shells
P. Hajicek
The dynamics of a thin spherically symmetric shell of zero-rest-mass matter in its own gravitational field is studied. A form of action principle is used that enables the reformula…
hep-th2000★ 58 cited
Embedding variables in the canonical theory of gravitating shells
P. Hajicek, C. Kiefer
A thin shell of light-like dust with its own gravitational field is studied in the special case of spherical symmetry. The action functional for this system due to Louko, Whiting,…
hep-th2000★ 19 cited
The Intrinsic Coupling in Integrable Quantum Field Theories
J. Balog, M. Niedermaier, F. Niedermayer +3
The intrinsic 4-point coupling, defined in terms of a truncated 4-point function at zero momentum, provides a well-established measure for the interaction strength of a QFT. We sho…