Distribution of Energy Momentum Tensor around Static Charges in Lattice Simulations and an Effective Model (eBook)
XVI, 158 Seiten
Springer Singapore (Verlag)
978-981-16-6234-8 (ISBN)
The energy momentum tensor (EMT) is one of the most fundamental observables in physics. Recently, a novel method to define EMT on the basis of the gradient-flow formalism has been proposed. It turned out that the EMT operator can be constructed even on the lattice with the method, which enables non-perturbative computations. This approach has been successfully applied to the analyses on thermodynamic quantities.
This book presents the study on spatial EMT distributions around static charges via the gradient flow in lattice simulations based on SU(3) Yang-Mills theory. Static charges are employed as probes to explore complex quantum systems, and EMT then characterizes the response of vacuum as well as hot medium under the existence of the charges, which significantly provides profound and novel insights into the non-perturbative phenomena, such as the confinement of quarks. In addition, the book treats the study on the EMT distribution around a magnetic vortex in the Abelian-Higgs model, which is compared with the lattice result. These achievements open up various future studies for revealing non-trivial aspects of the strong interaction.
The book also includes well-organized reviews on general properties of EMT, lattice gauge theory and the gradient-flow formalism with its application to the definition of EMT. They are useful for students and young researchers as a brief introduction to this field.
Ryosuke Yanagihara graduated from Osaka University in 2016. He belonged to Nuclear Theory Group in Osaka University in 2015-2021. He received his M.S. and Ph.D. in physics from Osaka University in 2018 and 2021, respectively.
The energy momentum tensor (EMT) is one of the most fundamental observables in physics. Recently, a novel method to define EMT on the basis of the gradient-flow formalism has been proposed. It turned out that the EMT operator can be constructed even on the lattice with the method, which enables non-perturbative computations. This approach has been successfully applied to the analyses on thermodynamic quantities.This book presents the study on spatial EMT distributions around static charges via the gradient flow in lattice simulations based on SU(3) Yang-Mills theory. Static charges are employed as probes to explore complex quantum systems, and EMT then characterizes the response of vacuum as well as hot medium under the existence of the charges, which significantly provides profound and novel insights into the non-perturbative phenomena, such as the confinement of quarks. In addition, the book treats the study on the EMT distribution around a magnetic vortex in the Abelian-Higgs model, which is compared with the lattice result. These achievements open up various future studies for revealing non-trivial aspects of the strong interaction.The book also includes well-organized reviews on general properties of EMT, lattice gauge theory and the gradient-flow formalism with its application to the definition of EMT. They are useful for students and young researchers as a brief introduction to this field.
| Erscheint lt. Verlag | 22.10.2021 |
|---|---|
| Reihe/Serie | Springer Theses | Springer Theses |
| Zusatzinfo | XVI, 158 p. 49 illus., 40 illus. in color. |
| Sprache | englisch |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Atom- / Kern- / Molekularphysik |
| Naturwissenschaften ► Physik / Astronomie ► Hochenergiephysik / Teilchenphysik | |
| Naturwissenschaften ► Physik / Astronomie ► Quantenphysik | |
| Schlagworte | Abelian-Higgs Model • Color Confinement • Debye Screening • Deconfinement Phase Transition • Flux Tube • Gradient flow • lattice gauge Theory • Lattice Simulation • Local Interaction • Quantum Chromodynamics • Small Flow Time Expansion • stress tensor • Strong Coupling Constant • Strong Interaction • SU(3) Yang-Mills Theory |
| ISBN-10 | 981-16-6234-7 / 9811662347 |
| ISBN-13 | 978-981-16-6234-8 / 9789811662348 |
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