搜索结果: 16-30 共查到“知识库 理学 quantum field”相关记录31条 . 查询时间(0.125 秒)
Higher Spin Interacting Quantum Field Theory and Higher Order Conformal Invariant Lagrangians
Quantum Field Theory Conformal Invariant Lagrangians
2010/12/22
This thesis includes several original results. All of them are already published or submitted for publication. I present here the short summary of main results: The ultraviolet singular structure of t...
An Introduction to Topological Quantum Field Theories
Topological Quantum Field Theories Introduction
2010/3/5
An Introduction to Topological Quantum Field Theories。
Topological quantum field theory and hyperkähler geometry
Topological quantum field hyperkä hler geometry
2010/3/1
Rozansky and Witten proposed a 3-dimensional sigma-model whose target space is a hyperkähler manifold. They conjectured that this theory has an associated TQFT, with vector spaces given by certai...
Neutrino oscillations: Quantum mechanics vs. quantum field theory
Neutrino oscillations Quantum mechanics
2010/3/15
A consistent description of neutrino oscillations requires either the quantum-mechanical (QM) wave packet approach or a quantum field theoretic (QFT) treatment. We compare these two approaches to neut...
Local causal structures, Hadamard states and the principle of local covariance in quantum field theory
quantum field theory local covariance
2010/3/18
In the framework of the algebraic formulation, we discuss and analyse some new features of the local structure of a real scalar quantum field theory in a strongly causal spacetime. In particular we us...
Quantum field theory, gravity and cosmology in a fractal universe
Fractal spacetime Models of Quantum Gravity Cosmology of Theories beyond the SM
2010/3/18
We propose a model for a power-counting renormalizable field theory living in a fractal spacetime. The action is Lorentz covariant and equipped with a Stieltjes measure. The system flows, even in a cl...
Black hole spacetimes that are topological geons in the sense of Sorkin can be constructed by taking a quotient of a stationary black hole that has a bifurcate Killing horizon. We discuss the geometri...
Scalable quantum field simulations of conditioned systems
Scalable quantum field simulations conditioned systems
2010/4/9
We demonstrate a technique for performing stochastic simulations of conditional master equations. The method is scalable for many quantum-field problems and therefore allows first-principles simulatio...
Quantum Brownian Representation for the Quantum Field Modes
Quantum Field Modes quantum Brownian motion open quantum systems
2009/9/4
When analyzing the particle-like excitations in quantum field theory it is natural to regard the field mode corresponding to the particle momentum as an open quantum system, together with the opposite...
Transverse Ward-Takahashi Relation for the Vector Vertex in Quantum Field Theory
transverse symmetry relations gauge theory
2007/8/15
2001Vol.35No.1pp.32-35DOI:
Transverse Ward-Takahashi Relation for the Vector Vertex in Quantum Field Theory
HE Han-Xin
China Institute of Atomic Energy, P.O. Box 275 (18...
Linear Transformation Theory of Quantum Field Operators and Its
Applications
linear quantum transformation CPT transformations
gauge field transformations
2007/8/15
2003Vol.39No.3pp.291-294DOI:
Linear Transformation Theory of Quantum Field Operators and Its
Applications
MA Lei
Key Laboratory for Optical and Magnetic Resonance
Spectr...
Mass Scales and Their Relations in Symmetric Quantum Field Theory
Mass Scales Symmetric Quantum Field Theory
2010/10/14
We illustrate the importance of mass scales and their relation in the specific case of the linear sigma model within the context of its one loop Ward identities. In the calculation it becomes apparent...
Classical Trajectories and Quantum Field Theory
Classical Trajectories Quantum Field Theory
2010/10/13
The density matrix and the Wigner function formalism requires the doubling of the degrees of freedom in quantum mechanics (QM) and quantum field theory (QFT). The doubled degrees of freedom play the r...
We review some conceptual problems in quantum field theory, with an emphasis on exact results and open problems.
Applications of Quantum Field Theory in Condensed Matter
Quantum Field Theory Condensed Matter
2010/10/26
We present a brief review of some applications of quantum field theory in condensed matter systems. These include isotropic and anisotropic antiferromagnetic chains, strongly correlated organic conduc...