Results 11 to 20 of about 17,645 (290)

Generalized Wentzell Boundary Conditions and Quantum Field Theory [PDF]

open access: greenAnnales Henri Poincare, 2017
27 pages; v2: minor corrections, references added; v3: final version, title ...
Jochen Zahn
exaly   +6 more sources

BOUNDARY INTEGRABLE QUANTUM FIELD THEORIES [PDF]

open access: greenNon-Perturbative QFT Methods and Their Applications, 2001
A brief survey of recent results in the study of boundary integrable quantum field theories, indicating some currently open problems. Based on lectures given at the 2000 Eotvos Summer School in Physics on `Nonperturbative QFT methods and their applications'.
PATRICK DOREY
openalex   +4 more sources

On perturbative quantum field theory with boundary [PDF]

open access: greenNuclear Physics B, 2004
Boundary quantum field theory is investigated in the Lagrangian framework. Models are defined perturbatively around the Neumann boundary condition. The analyticity properties of the Green functions are analyzed: Landau equations, Cutkosky rules together with the Coleman-Norton interpretation are derived.
Zoltán Bajnok   +2 more
openalex   +5 more sources

Classical and Quantum Lagrangian Field Theories with Boundary [PDF]

open access: goldProceedings of Proceedings of the Corfu Summer Institute 2011 — PoS(CORFU2011), 2012
This note gives an introduction to Lagrangian field theories in the presence of boundaries. After an overview of the classical aspects, the cohomological formalisms to resolve singularities in the bulk and in the boundary theories (the BV and the BFV formalisms, respectively) are recalled. One of the goals here (and in [arXiv:1201.0290]) is to show how
Alberto S. Cattaneo   +2 more
openalex   +3 more sources

Inhomogeneous Quantum Quenches of Conformal Field Theory with Boundaries [PDF]

open access: greenPhysical Review Letters, 2023
7+11 pages, 3+3 ...
Xinyu Liu   +4 more
openalex   +4 more sources

Irreversibility in quantum field theories with boundaries [PDF]

open access: yesJournal of High Energy Physics, 2019
We study conformal field theories with boundaries, and their boundary renormalization group (RG) flows, using methods from quantum information theory. Positivity of the relative entropy, together with unitarity and Lorentz invariance, give rise to bounds
Horacio Casini   +2 more
doaj   +4 more sources

Boundary quantum field theories with infinite resonance states [PDF]

open access: greenNuclear Physics B, 2002
18 pages, 11 figures, LATEX ...
P. Mosconi, G. Mussardo, V. Riva
openalex   +5 more sources

The Unruh Effect in General Boundary Quantum Field Theory [PDF]

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2013
In the framework of the general boundary formulation (GBF) of scalar quantum field theory we obtain a coincidence of expectation values of local observables in the Minkowski vacuum and in a particular state in Rindler space.
Dennis Rätzel, Daniele Colosi
doaj   +5 more sources

BOUNDARY S MATRIX AND BOUNDARY STATE IN TWO-DIMENSIONAL INTEGRABLE QUANTUM FIELD THEORY [PDF]

open access: greenInternational Journal of Modern Physics A, 1994
We study integrals of motion and factorizable S matrices in two-dimensional integrable field theory with boundary. We propose the "boundary cross-unitarity equation," which is the boundary analog of the crossing-symmetry condition of the "bulk" S matrix.
SUBIR GHOSHAL, ALEXANDER ZAMOLODCHIKOV
openalex   +5 more sources

Algebraic Quantum Field Theory on Spacetimes with Timelike Boundary [PDF]

open access: yesAnnales Henri Poincare, 2018
27 pages, final version published in Annales Henri Poincar ...
Marco Benini   +2 more
exaly   +4 more sources

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