2. 您的位置
3. 首页
4. 会议论文
5. Spin Foams contributing in first order of vertex expansion to the Dipole Cosmology transition amplit

Spin Foams contributing in first order of vertex expansion to the Dipole Cosmology transition amplit

来源 :The XXIX International Colloquium on Group-Theoretical Metho | 被引量 : 0次 | 上传用户：famzhang

【摘 要】

：

In this talk we will present a general method for finding all foams with given boundary and given number of internal vertices.We will apply the method to the Dipole Cosmology model and find all spin f

【作 者】

：

Marcin Kisielowski 

【机 构】

：

University of Warsaw, Poland

【出 处】

：

The XXIX International Colloquium on Group-Theoretical Metho

【发表日期】

：

2012年8期

下载到本地 , 更方便阅读

下载此文 赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

　　In this talk we will present a general method for finding all foams with given boundary and given number of internal vertices.We will apply the method to the Dipole Cosmology model and find all spin foams contributing to the transition amplitude in first order of vertex expansion.

其他文献

Extending the Erd}os-Ko-Rado theorem

会议

Primitive derivations, Shi arrangements and Bernoulli polynomials

会议

The universal Askey-Wilson algebra

会议

Tridiagonal matrices, Hankel minors and special functions

会议

Better rounding gives an improved approximation for 2-CatSP with unbalanced parameters σ≥0:50

会议

Spin Foam Models: Towards diffeomorphism-invariant path integral measures

The aim of this talk is to describe how Spin Foam Models can be used to construct normalized Borel measure spaces that carry the action of a group of diffeomorphisms of a manifold Diff(M).These measur

会议

Towards loop quantum supergravity

An introduction aimed at non-experts in loop quantum gravity will be given into the recently developed generalization of loop quantum gravity to higher dimensional supergravity.Possible applications w

会议

The time-oriented boundary states and the Lorentzian-spinfoam correlation functions

A time-oriented semiclassical boundary state is introduced to calculate the correlation function in the Lorentzian Engle-Pereira-Rovelli-Livine spinfoam model.The resulting semiclassical correlation f

会议

Coarse graining spin foam models: a tensor network approach

Spin foams are microscopic models for quantum gravity and space time.We discuss coarse graining methods to extract large scale physics from these model and derive consistency conditions that these mod

会议

A three-dimensional Holst-Plebanski spin foam (toy) model

We introduce an action for three-dimensional gravity that mimics key features of the four-dimensional Holst-Plebanski theory.In particular,the action admits an extension with Barbero-Immirzi parameter

会议