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- European Organization for Nuclear ResearchCH13 papers
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5 papers · 1 filter
On the Decay of Soliton Excitations
H. Weigel
In field theory the scattering about spatially extended objects, such as solitons, is commonly described by small amplitude fluctuations. Since soliton configurations often break i…
Quantum stabilization of Z-strings, a status report on D=3+1 dimensions
O. Schroeder, N. Graham, M. Quandt +1
We investigate an extension to the phase shift formalism for calculating one-loop determinants. This extension is motivated by requirements of the computation of Z-string quantum e…
Effective Field Theory of Gravity: Leading Quantum Gravitational Corrections to Newtons and Coulombs Law
Sven Faller
In this paper we consider general relativity and its combination with scalar quantum electrodynamics (QED) as an effective quantum field theory at energies well below the Planck sc…
Noncommutative Einstein-Maxwell pp-waves
S. Marculescu, F. Ruiz Ruiz
The field equations coupling a Seiberg-Witten electromagnetic field to noncommutative gravity, as described by a formal power series in the noncommutativity parameters , is…
Quantum Energies of Strings in a 2+1 Dimensional Gauge Theory
N. Graham, M. Quandt, O. Schroeder +1
We study classically unstable string type configurations and compute the renormalized vacuum polarization energies that arise from fermion fluctuations in a 2+1 dimensional analog…