Results 31 to 40 of about 13,051 (315)

Rigorous quantum field theory models [PDF]

open access: yesBulletin of the American Mathematical Society, 1970
Quantum field theory provides a natural framework to describe the interactions between elementary particles. Aside from a program of field theory computations, there has been an interest in qualitative or structural aspects of quantum field theory. We announce here some new progress in this direction. We study two standard nonlinear interactions in two
Glimm, J., Jaffe, A.
openaire   +3 more sources

The Snyder Model and Quantum Field Theory

open access: yesUkrainian Journal of Physics, 2019
We review the main features of the relativistic Snyder model and its generalizations. We discuss the quantum field theory on this background using the standard formalism of noncommutative QFT and discuss the possibility of obtaining a finite theory.
openaire   +4 more sources

Primitive Ontology and the Structure of Fundamental Physical Theories [PDF]

open access: yes, 2012
For a long time, it was believed that it was impossible to be realist about quantum mechanics. It took quite a while for the researchers in the foundations of physics, beginning with John Stuart Bell (1987), to convince others that such an alleged ...
Allori, Valia, Valia Allori
core   +1 more source

Universally finite gravitational and gauge theories

open access: yesNuclear Physics B, 2015
It is well known that standard gauge theories are renormalizable in D=4 while Einstein gravity is renormalizable in D=2. This is where the research in the field of two derivatives theories is currently standing.
Leonardo Modesto, Lesław Rachwał
doaj   +1 more source

Network models of quantum percolation and their field-theory representations [PDF]

open access: yesPhysical Review B, 1994
We obtain the field-theory representations of several network models that are relevant to 2D transport in high magnetic fields. Among them, the simplest one, which is relevant to the plateau transition in the quantum Hall effect, is equivalent to a particular representation of an antiferromagnetic SU(2N) ($N\rightarrow 0$) spin chain.
openaire   +4 more sources

Exotic $\mathbb{Z}_N$ symmetries, duality, and fractons in 3+1-dimensional quantum field theory

open access: yesSciPost Physics, 2021
Following our earlier analyses of nonstandard continuum quantum field theories, we study here gapped systems in 3+1 dimensions, which exhibit fractonic behavior.
Nathan Seiberg, Shu-Heng Shao
doaj   +1 more source

Effect of terahertz irradiation on DNA damage repair in living cells

open access: yesFEBS Open Bio, EarlyView.
We investigated the effect of terahertz (THz) wave irradiation on DNA double‐strand break (DSB) repair in living cells. We found that THz irradiation enhanced DSB repair at specific frequencies, whereas heat treatment inhibited it, indicating that this effect is nonthermal and frequency‐specific.
Yuya Ueno   +3 more
wiley   +1 more source

Evaluation of Correlation Functions in Integrable Quantum Field Theories [PDF]

open access: yes, 2012
The aim of this thesis is to explore correlation functions in two dimensional quantum field theories in two distinct ways. In part I a new method for calculating the differential equations parametrising the correlation functions of twist fields ...
SILK, JAMES,BRIAN, Silk, James Brian
core  

Fostering Innovation: Streamlining Magnetocaloric Materials Research by Digitalization

open access: yesAdvanced Engineering Materials, EarlyView.
Magnetocaloric cooling (MCE) is an environmentally friendly refrigeration method with great potential. Optimizing MCE materials involves the preparation and screening of large quantities of samples, which in turn generates a large amount of data. A digitalization approach is presented that uses ontologies, knowledge graphs, and digital workflows to ...
Simon Bekemeier   +17 more
wiley   +1 more source

Integrable quantum field theories, in the bulk and with a boundary [PDF]

open access: yes, 2000
In this thesis, we consider the massive field theories in 1+1 dimensions known as affine Toda quantum field theories. These have the special property that they possess an infinite number of conserved quantities, a feature which greatly simplifies their ...
Mattsson, P.A., Mattsson, Peter Aake
core  

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