搜索结果: 1-15 共查到“物理学 action”相关记录32条 . 查询时间(0.125 秒)
On Friday, 21 October, at 10.15 p.m. CEST, the Large Hadron Collider beauty (LHCb) experiment passed an important milestone for Run 3. Its state-of-the-art vertex locator, or VELO upgrade, aligned mor...
The Super Proton Synchrotron (SPS) lives up to its superlative designation. It’s CERN’s second-largest accelerator and is the last link in the accelerator chain that feeds particle beams to the Large ...
Controlled absorption and all-optical diode action due to collisions of self-induced transparency solitons
Controlled absorption all-optical diode action collisions of self-induced transparency solitons Optics
2012/4/20
We study inelastic collisions of counter-propagating self-induced transparency solitons in a homogeneously broadened two-level medium. The energy of the pulse can be almost totally absorbed in the med...
Generalised action-angle coordinates defined on island chains
Generalised action-angle coordinates island chains Plasma Physics
2012/4/19
Straight-field-line coordinates are very useful for representing magnetic fields in toroidally confined plasmas, but fundamental problems arise regarding their definition in 3-D geometries because of ...
Hamiltonian dynamics for Einstein's action in G$\rightarrow$0 limit
Hamiltonian dynamics Einstein's action Mathematical Physics
2011/9/15
Abstract: The Hamiltonian analysis for the Einstein's action in $ G\to 0 $ limit is performed. Considering the original configuration space without involve the usual $ADM$ variables we show that the v...
Fractional Action Cosmology: Some Dark Energy Models in Emergent, Logamediate and Intermediate Scenarios of the Universe
Fractional Action Cosmology Dark Energy Model Emergent Logamediate Intermediate Scenarios of the Universe
2011/8/2
Abstract: In the framework of Fractional Action Cosmology, we have reconstructed the scalar potentials and scalar fields, namely, quintessence, phantom, tachyon, k-essence, DBI-essence, Hessence, dila...
Coupling of gravity to matter, spectral action and cosmic topology
Coupling of gravity spectral action cosmic topology
2011/7/26
Abstract: We consider a model of modified gravity based on the spectral action functional, for a cosmic topology given by a spherical space form, and the associated slow-roll inflation scenario. We co...
A ten-dimensional action for non-geometric fluxes
ten-dimensional action non-geometric fluxes High Energy Physics - Theory
2011/7/28
Abstract: The NSNS Lagrangian of ten-dimensional supergravity is rewritten via a change of field variables inspired by Generalized Complex Geometry. We obtain a new metric and dilaton, together with a...
Approximate action-angle variables for the figure-eight and other periodic three-body orbits
action-angle variables three-body orbit
2011/9/14
We use the maximally permutation symmetric set of three-body coordinates, that consist of the “hyper-radius” R = p2 + 2, the “rescaled area of the triangle”
p3
2R2 | × |) and the (braiding)
hyp...
Approximate action-angle variables for the figure-eight and other periodic three-body orbits
the figure-eight other periodic three-body orbits Classical Physics
2011/7/26
Approximate action-angle variables for the figure-eight and other periodic three-body orbits.
Action-angle duality between the C(n)-type hyperbolic Sutherland and the rational Ruijsenaars-Schneider-van Diejen models
Action-angle duality the C(n)-type hyperbolic Sutherland the rational Ruijsenaars-Schneider-van Diejen models
2011/7/26
Abstract: In a symplectic reduction framework we construct action-angle systems of canonical coordinates for both the hyperbolic Sutherland and the rational Ruijsenaars-Schneider-van Diejen integrable...
Fractional Action Cosmology with generalized weight function
Fractional Action generalized weight function
2011/9/2
Motivated by an earlier work on fractional-action cosmology with a periodic weight function, we extend it by choosing a general weight function in the action. In this approach,we obtain a varying grav...
Non-perturbatively improved clover action for SU(2) gauge + fundamental and adjoint representation fermions
Non-perturbatively improved clover action SU(2) gauge + fundamental
2011/1/6
The research of strongly coupled beyond-the-standard-model theories has generated significant interest in non-abelian gauge field theories with different number of fermions in different representation...
Non-perturbatively improved clover action for SU(2) gauge + fundamental and adjoint representation fermions
Non-perturbatively improved clover action SU(2) gauge + fundamental
2011/1/6
The research of strongly coupled beyond-the-standard-model theories has generated significant interest in non-abelian gauge field theories with different number of fermions in different representation...
The Random Discrete Action for 2-Dimensional Spacetime
The Random Discrete Action 2-Dimensional Spacetime
2010/12/27
A one-parameter family of random variables, called the Discrete Action, is defined for a 2-dimensional Lorentzian spacetime of finite volume. The single parameter is a discreteness scale. The expecta...