Results 121 to 130 of about 13,864,114 (205)

Bell Correlations in Quantum Field Theory [PDF]

open access: yes, 2011
Bell correlations are the hallmark of quantum non-locality, and a rich context for analysing them is provided by the algebraic approach to quantum field theory (AQFT): the basic idea is to associate with each bounded region O of Minkowski spacetime an ...
Thiang, Guo Chuan
core  

Reeh-Schlieder defeats Newton-Wigner: On alternative localization schemes in relativistic quantum field theory [PDF]

open access: yes, 2000
Many of the "counterintuitive" features of relativistic quantum field theory have their formal root in the Reeh-Schlieder theorem, which in particular entails that local operations applied to the vacuum state can produce any state of the entire
Halvorson, Hans
core  

An introduction to the general boundary formulation of quantum field theory

open access: yesJournal of Physics: Conference Series, 2015
We give a brief introduction to the so-called general boundary formulation (GBF) of quantum theory. This new axiomatic formulation provides a description of the quantum dynamics which is manifestly local and does not rely on a metric background structure for its definition.
openaire   +1 more source

Quantum Field Theory: Underdetermination, Inconsistency, and Idealization [PDF]

open access: yes, 2009
Quantum field theory (QFT) presents a genuine example of the underdetermination of theory by empirical evidence. There are variants of QFT which are empirically indistinguishable yet support different interpretations.
Doreen Fraser, Fraser, Doreen
core  

BV quantization in perturbative algebraic quantum field theory: gauge theories and effective quantum gravity

open access: yes, 2019
I will give an overview of how the Batalin-Vilkovisky (BV) formalism can be incorporated into perturbative algebraic quantum field theory in full generality and I will discuss two examples: gauge theories and effective quantum gravity. In the latter case,
Rejzner, Kasia
core   +1 more source

The birth of string theory: Introduction and synopsis [PDF]

open access: yes, 2012
This is a draft of the introduction to the collective volume "The birth of string theory" (CUP, 2012), including the book's index and preface. The book explores the history of the theory’s early stages of development, as told by its main protagonists. It
Cappelli, Andrea   +3 more
core  

Classical field theory

open access: yes, 2019
Classical field theory predicts how physical fields interact with matter, and is a logical precursor to quantum field theory. This introduction focuses purely on modern classical field theory, helping graduates and researchers build an understanding of ...
Năstase, Horaƫiu [UNESP]   +1 more
core   +1 more source

Formalism and Interpretation in Quantum Theory [PDF]

open access: yes, 2008
Quantum Mechanics can be viewed as a linear dynamical theory having a familiar mathematical framework but a mysterious probabilistic interpretation, or as a probabilistic theory having a familiar interpretation but a mysterious formal framework.
Wilce, Alexander
core  

Perturbative algebraic quantum field theory with smoothened boundary

open access: yes
We formulate quantisation of gauge field theories on globally hyperbolic Lorentzian manifolds with marked hypersurfaces within the framework of perturbative algebraic quantum field theory (pAQFT) enriched by the Batalin, Fradkin, Vilkovisky formalism (BV/BFV). This allows one to incorporate some crucial aspects of the local functorial approach to gauge
Rejzner, Kasia, Schiavina, Michele
openaire   +2 more sources

Boundary bound states in integrable quantum field theories

open access: yes, 2000
The purpose of this talk is to sketch some recent progress which has been made in calculating non-perturbatively the reflection factors for the sinh-Gordon model restricted to a half-line by integrable boundary conditions. The essential idea is to calculate the energy spectrum of boundary breathers in two independent ways; firstly by using the boundary
openaire   +2 more sources

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