搜索结果: 1-12 共查到“理学 gauge invariant”相关记录12条 . 查询时间(0.203 秒)
Manifestly gauge invariant theory of the nonlinear cosmological perturbations in the leading order of the gradient expansion
nonlinear cosmological perturbation, gauge invariance, non-Gaussianity PACS number(s):98.80.Cq
2011/9/29
In the full nonlinear cosmological perturbation theory in the leading order of the gradient expansion, all the types of the gauge invariant perturbation variables are defined. The metric junction cond...
Construction of gauge-invariant variables for linear-order metric perturbations on some background spacetimes
gauge-invariant variables linear-order metric perturbations background spacetimes
2011/3/2
Gauge-invariant treatments of general-relativistic higher-order perturbations on generic background spacetime is proposed. We show the fact that the linear-order metric perturbation is decomposed into...
Spectral Function of Fermion Coupled with Massive Vector Boson at Finite Temperature in Gauge Invariant Formalism
Spectral Function of Fermion Coupled Massive Vector Boson Finite Temperature Gauge Invariant Formalism
2011/1/10
We investigate spectral properties of a fermion coupled with a massive gauge boson with a mass
m at finite temperature (T ) in the perturbation theory.
General formulation of general-relativistic higher-order gauge-invariant perturbation theory
General formulation perturbation theory
2010/12/27
Gauge-invariant treatments of general-relativistic higher-order perturbations on generic background spacetime is proposed. After reviewing the general framework of the second-order gauge-invariant pe...
The Gauge-Invariant Bias of Dark Matter Haloes with Primordial non-Gaussianity
The Gauge-Invariant Dark Matter Haloes
2010/12/27
The non-linear evolution of the halo population is followed by solving the continuity equation under the hypothesis that haloes move by the action of gravity. An exact and general formula for the Eule...
A note on the vector Schwinger Model with the photon mass term: Gauge invariant reformulation, operator solution and path integral formulation
vector Schwinger Model photon mass term
2010/12/23
Vector Schwinger model is reinvestigated with the mass like term for gauge field. Phase space structure has been determined in this situation. It has been found that mass of the gauge boson acquires ...
Gauge invariant approach to low-spin anomalous conformal currents and shadow fields
low-spin anomalous conformal currents shadow fields
2010/12/24
Conformal low-spin anomalous currents and shadow fields in flat space-time of dimension greater than or equal to four are studied. Gauge invariant formulation for such currents and shadow fields is de...
General formulation of general-relativistic higher-order gauge-invariant perturbation theory
General formulation general-relativistic higher-order gauge-invariant perturbation theory
2010/12/20
Gauge-invariant treatments of general-relativistic higher-order perturbations on generic back-
ground spacetime is proposed. After reviewing the general framework of the second-order gauge-
invarian...
Gauge-invariant formulation of $N N \to N N \gamma$
Gauge-invariant formulation $N N \to N N \gamma$
2011/1/6
A complete, rigorous relativistic field-theory formulation of the nucleon-nucleon (NN)bremsstrahlung reaction is presented. The resulting amplitude is unitary as a matter of course
and it is gauge in...
Consistency of Equations for the Single Scalar Field Case in Second-order Gauge-invariant Cosmological Perturbation Theory
Single Scalar Field Case Cosmological Perturbation Theory
2010/3/18
We derived the second-order perturbations of the Einstein equations and the Klein-Gordon equation for a generic situation in terms of gauge-invariant variables. The consistency of all the equations is...
Second-order Gauge-invariant Cosmological Perturbation Theory: Current Status
Gauge-invariant Current Status
2010/3/17
The current status of the recent developments of the second-order gauge-invariant cosmological perturbation theory is reviewed. To show the essence of this perturbation theory, we concentrate only on ...
Gauge invariant reduction and integrability of SL(2 ,R)/ U(1) WZNW theory
Gauge invariant SL(2 ,R)/ U(1) WZNW theory
2010/4/15
The general solution of SL(2,{\bf R})/U(1) WZNW theory is constructed by a gauge invariant reduction. This is done within both Lagrangian and Hamiltonian frameworks.