From QCD Flux Tubes to Gravitational S-matrix and Back - Victor Gorbenko

From QCD Flux Tubes to Gravitational S-matrix and Back

(Autor)

Buch | Softcover
XII, 133 Seiten
2018 | 1. Softcover reprint of the original 1st ed. 2017
Springer International Publishing (Verlag)
978-3-319-83092-6 (ISBN)
106,99 inkl. MwSt
This thesis studies various aspects of non-critical strings both as an example of a non-trivial and solvable model of quantum gravity and as a consistent approximation to the confining flux tube in quantum chromodynamics (QCD). It proposes and develops a new technique for calculating the finite volume spectrum of confining flux tubes. This technique is based on approximate integrability and it played a game-changing role in the study of confining strings. Previously, a theoretical interpretation of available high quality lattice data was impossible, because the conventional perturbative expansion for calculating the string spectra was badly asymptotically diverging in the regime accessible on the lattice. With the new approach, energy levels can be calculated for much shorter flux tubes than was previously possible, allowing for a quantitative comparison with existing lattice data. The improved theoretical control makes it manifest that existing lattice data provides strong evidence for a new pseudoscalar particle localized on the QCD fluxtube - the worldsheet axion. The new technique paves a novel and promising path towards understanding the dynamics of quark confinement.

Dr Victor Gorbenko was awarded the PhD degree by New York University in 2015, and is currently with the Physics Department at Stanford University.

Effective Field Theory for Relativistic Strings.- Worldsheet S-matrix.- Simplest Quantum Gravity.- Natural Tuning.-Flux Tube Spectrum from Thermodynamic Bethe Ansatz.

Erscheinungsdatum
Reihe/Serie Springer Theses
Zusatzinfo XII, 133 p. 32 illus., 24 illus. in color.
Verlagsort Cham
Sprache englisch
Maße 155 x 235 mm
Gewicht 237 g
Themenwelt Naturwissenschaften Physik / Astronomie Astronomie / Astrophysik
Naturwissenschaften Physik / Astronomie Hochenergiephysik / Teilchenphysik
Naturwissenschaften Physik / Astronomie Relativitätstheorie
Naturwissenschaften Physik / Astronomie Theoretische Physik
Naturwissenschaften Physik / Astronomie Thermodynamik
Schlagworte confining flux tubes in QCD • Effective field theory for relativistic strings • flux tubes in four-dimensional QCD • flux tube spectrum • long relativistic strings • Thermodynamic Bethe Ansatz (TBA) • worldsheet S-matrix
ISBN-10 3-319-83092-9 / 3319830929
ISBN-13 978-3-319-83092-6 / 9783319830926
Zustand Neuware
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