標(biāo)題: Titlebook: Exact Solutions and Scalar Fields in Gravity; Recent Developments Alfredo Macias,Jorge L. Cervantes-Cota,Claus L?mme Book 2001 Springer Sci [打印本頁(yè)] 作者: patch-test 時(shí)間: 2025-3-21 18:08
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書(shū)目名稱(chēng)Exact Solutions and Scalar Fields in Gravity讀者反饋學(xué)科排名
作者: 條街道往前推 時(shí)間: 2025-3-21 21:24
Book 2001gicaleffects, which arise from both gravity theories in four and higherdimensions and from metric-affine theories, are investigated. .Part Three is devoted to cosmological and inflationary scenarios.Local effects, such as the influence of scalar fields in protogalacticinteractions, numerical studies作者: recede 時(shí)間: 2025-3-22 04:28 作者: headway 時(shí)間: 2025-3-22 07:25
Self-Gravitating Stationary Axi-Symmetric Perfect Fluids: Differential Rotation and Some Geometric F作者: eardrum 時(shí)間: 2025-3-22 12:06 作者: 開(kāi)花期女 時(shí)間: 2025-3-22 14:37
Alfredo Macias,Jorge L. Cervantes-Cota,Claus L?mme作者: 開(kāi)花期女 時(shí)間: 2025-3-22 20:41
Introduction to Feedback Economics,xy core halos. 3) From this, all parameters of the scalar dark matter potential are completely determined. 4) The dark matter consists of an ultra-light particle, whose mass is . . . . eV and all the success of the standard cold dark matter model is recovered. 5) If the scale of renormalization of t作者: chronicle 時(shí)間: 2025-3-22 21:20
of scalar fields. .Part One is devoted to exact solutions in general relativity, and ismainly concerned with the results of rotating null dust beams andfluids. Also included is a panoramic vision of new research directionsin this area, which would require revising certain theorems and theirpossible 作者: 注意力集中 時(shí)間: 2025-3-23 01:33
Feed processing to maximize feed efficiency,related to a Riemann surface..The solution is reformulated so as to make it easier to handle and all integrals are transformed into definite real integrals. For the axis of symmetry and the plane of the disk these general formulae can be reduced to standard elliptic functions and elliptic integrals.作者: sinoatrial-node 時(shí)間: 2025-3-23 08:58
Stability Frequency and Step Response, matter, incoherent radiation or ultrarelativistic matter. This paper reveals the dynamics for these and the other ideal fluid models, in non-flat spaces mainly, for the Jordan-Brans-Dicke cosmological theory by showing that its field equations, when written in terms of reduced variables, allow their straightforward partial integration.作者: 信任 時(shí)間: 2025-3-23 10:03
Feedback Control Theory for Engineersgth .. Here we basically present, after a short introduction into MAG and its triplet subcase, the results of earlier joint work with García, Macías, and Socorro [1]. Our solution is based on an exact solution of Ozsváth, Robinson, and Rózga describing type N gravitational fields in general relativity as coupled to electromagnetic null-fields.作者: 香料 時(shí)間: 2025-3-23 15:11
Feed-in tariffs in the European Unionisk has been “continued” to Einstein’s theory of gravitation [1, 2, 3]..After an introduction into these developments, the parametric collapse to a rotating black hole and possible generalizations are discussed.作者: Shuttle 時(shí)間: 2025-3-23 21:26 作者: preservative 時(shí)間: 2025-3-24 01:44
Discussion of the Theta Formula for the Ernst Potential of the Rigidly Rotating Disk of Dustrelated to a Riemann surface..The solution is reformulated so as to make it easier to handle and all integrals are transformed into definite real integrals. For the axis of symmetry and the plane of the disk these general formulae can be reduced to standard elliptic functions and elliptic integrals.作者: Obliterate 時(shí)間: 2025-3-24 03:19 作者: conference 時(shí)間: 2025-3-24 06:33
A Plane-Fronted Wave Solution in Metric-Affine Gravitygth .. Here we basically present, after a short introduction into MAG and its triplet subcase, the results of earlier joint work with García, Macías, and Socorro [1]. Our solution is based on an exact solution of Ozsváth, Robinson, and Rózga describing type N gravitational fields in general relativity as coupled to electromagnetic null-fields.作者: EVEN 時(shí)間: 2025-3-24 10:41 作者: Coronary 時(shí)間: 2025-3-24 17:28 作者: JOG 時(shí)間: 2025-3-24 21:57 作者: 散布 時(shí)間: 2025-3-25 02:58 作者: 憲法沒(méi)有 時(shí)間: 2025-3-25 06:20
https://doi.org/10.1007/978-3-031-10515-9f the Higgs-particle with a mass of 114 GeV at CERN some weeks ago in September 2000. Therefore our first question is: Which kind of interaction is mediated by the exchange of the Higgs-particle? This question can be answered classically by considering the field equations following from the Lagrangian of the electro-weak interaction.作者: 原始 時(shí)間: 2025-3-25 07:48
General Properties of Feedback Amplifiers,ns, and, MacDowell-Mansouri gauge theory of gravity are discussed. Three-dimensional dimensional reductions from the topological gravitational sector in four dimensions, enable to recuperate the 2+1 Chern-Simons gravity and the corresponding .-dual theory, from the notion of self-duality in the four-dimensional theory.作者: Chivalrous 時(shí)間: 2025-3-25 11:56 作者: GROSS 時(shí)間: 2025-3-25 19:02 作者: 男學(xué)院 時(shí)間: 2025-3-25 20:01
Problems in Control of Quantum Systems, including Dehnen’s induced gravity theory. In particular, for the Brans-Dicke theory the equations decouple and one is able to integrate the system for FRW and Bianchi I and V models. Addition-ally, we analyze the possibility that anisotropic models asymptotically isotropize, and/or possess inflationary properties.作者: Embolic-Stroke 時(shí)間: 2025-3-26 01:05
https://doi.org/10.1007/b117852tropic, and the Bianchi types I and II cosmologies with and without self interactions of the scalar field. The coupling function . is kept arbitrary and the self interacting potential is chosen to obtain exact solutions. Quantum wormholes and classical non-singular solutions are given.作者: 不感興趣 時(shí)間: 2025-3-26 06:49 作者: Occipital-Lobe 時(shí)間: 2025-3-26 10:37 作者: 敘述 時(shí)間: 2025-3-26 16:11
Higgs-Field and Gravityf the Higgs-particle with a mass of 114 GeV at CERN some weeks ago in September 2000. Therefore our first question is: Which kind of interaction is mediated by the exchange of the Higgs-particle? This question can be answered classically by considering the field equations following from the Lagrangian of the electro-weak interaction.作者: interior 時(shí)間: 2025-3-26 18:53
The Road to Gravitational ,-Dualityns, and, MacDowell-Mansouri gauge theory of gravity are discussed. Three-dimensional dimensional reductions from the topological gravitational sector in four dimensions, enable to recuperate the 2+1 Chern-Simons gravity and the corresponding .-dual theory, from the notion of self-duality in the four-dimensional theory.作者: 痛得哭了 時(shí)間: 2025-3-26 22:41 作者: nitric-oxide 時(shí)間: 2025-3-27 04:24
Effective Four-Dimensional Dilaton Gravity from Five-Dimensional Chern-Simons Gravitypal fiber bundle structure and the toroidal dimensional reduction process in order to study what modifications are obtained to the standard Einstein-Maxwell-dilaton theories. We obtain an effective four dimensional gravity theory endowed with a cosmological term, a scalar dilaton field, an Einstein term, and a non-linear electrodynamics.作者: 迅速飛過(guò) 時(shí)間: 2025-3-27 06:05
New Solutions of Bianchi Models in Scalar-Tensor Theories including Dehnen’s induced gravity theory. In particular, for the Brans-Dicke theory the equations decouple and one is able to integrate the system for FRW and Bianchi I and V models. Addition-ally, we analyze the possibility that anisotropic models asymptotically isotropize, and/or possess inflationary properties.作者: analogous 時(shí)間: 2025-3-27 09:39 作者: 保留 時(shí)間: 2025-3-27 13:42 作者: 受傷 時(shí)間: 2025-3-27 19:02 作者: cyanosis 時(shí)間: 2025-3-28 00:56 作者: 贊成你 時(shí)間: 2025-3-28 03:08
Feed-in tariffs in the European Union, Maclaurin (1742) found the axially symmetric and stationary solution to the problem in the case of constant mass-density: a sequence of oblate spheroids. In the limit of maximum ellipticity a rotating disk is obtained. By applying analytical solution techniques from soliton theory this Maclaurin d作者: Picks-Disease 時(shí)間: 2025-3-28 07:03
Stability Frequency and Step Response,fficulties that have been overcome when the space is non-flat in scalar-tensor theories only if the energy-stress tensor is vacuous or describes stiff matter, incoherent radiation or ultrarelativistic matter. This paper reveals the dynamics for these and the other ideal fluid models, in non-flat spa作者: floaters 時(shí)間: 2025-3-28 13:36 作者: 使害羞 時(shí)間: 2025-3-28 17:08
General Properties of Feedback Amplifiers,ns, and, MacDowell-Mansouri gauge theory of gravity are discussed. Three-dimensional dimensional reductions from the topological gravitational sector in four dimensions, enable to recuperate the 2+1 Chern-Simons gravity and the corresponding .-dual theory, from the notion of self-duality in the four作者: 啤酒 時(shí)間: 2025-3-28 19:15
https://doi.org/10.1007/978-3-031-01831-2orm . . . . . ., where . . are Einstein spaces (.). The sigma-model representation for p-branes ansatz and exact solutions in the model are given (e.g. solutions depending on harmonic function, spherically symmetric ones and black holes). PPN parameters for 4-dimensional section of the metric are al作者: Debility 時(shí)間: 2025-3-29 02:00
Alex Abramovici Ph.D.,Jake Chapsky P.E.pal fiber bundle structure and the toroidal dimensional reduction process in order to study what modifications are obtained to the standard Einstein-Maxwell-dilaton theories. We obtain an effective four dimensional gravity theory endowed with a cosmological term, a scalar dilaton field, an Einstein 作者: CAGE 時(shí)間: 2025-3-29 04:55 作者: 細(xì)頸瓶 時(shí)間: 2025-3-29 08:20 作者: meritorious 時(shí)間: 2025-3-29 11:32
Introduction to Feedback Economics, work together. We present the complete solution to the 95% scalar field cosmological model in which the dark matter is modeled by a scalar field . with the scalar potential . and the dark energy is modeled by a scalar field ., endowed with the scalar potential .. This model has only two free parame作者: justify 時(shí)間: 2025-3-29 17:14
https://doi.org/10.1007/b117852tropic, and the Bianchi types I and II cosmologies with and without self interactions of the scalar field. The coupling function . is kept arbitrary and the self interacting potential is chosen to obtain exact solutions. Quantum wormholes and classical non-singular solutions are given.作者: 草率女 時(shí)間: 2025-3-29 22:56 作者: Harness 時(shí)間: 2025-3-30 01:19 作者: 魔鬼在游行 時(shí)間: 2025-3-30 06:32 作者: FECK 時(shí)間: 2025-3-30 10:52
Automatic Stabilizers RevisitedIntegrability of the the . (ME) which is an especial form of the SDYM equations for the Moyal bracket Lie algebra is studied..Infinite number of conservation laws and linear systems for ME are found. The twistor construction is also given.作者: Noisome 時(shí)間: 2025-3-30 16:20
State-Space Modulation and Demodulation,We reconsider the second order slow-roll approximation of Stewart and Lyth. For the resulting nonlinear ., we find a new eigenvalue spectrum of the spectral index in the ‘blue’ regime . . .. Some of the . values have consistent fits to the cumulative COBE data as well as to recent ground-base CMB experiments.作者: Trabeculoplasty 時(shí)間: 2025-3-30 17:10 作者: 華而不實(shí) 時(shí)間: 2025-3-31 00:06 作者: Debark 時(shí)間: 2025-3-31 02:25
Inflation with a Blue Eigenvalue SpectrumWe reconsider the second order slow-roll approximation of Stewart and Lyth. For the resulting nonlinear ., we find a new eigenvalue spectrum of the spectral index in the ‘blue’ regime . . .. Some of the . values have consistent fits to the cumulative COBE data as well as to recent ground-base CMB experiments.作者: Inferior 時(shí)間: 2025-3-31 05:27
Discussion of the Theta Formula for the Ernst Potential of the Rigidly Rotating Disk of Dustr the Ernst potential[2]. The space-time coordinates of the problem enter the arguments of these functions via ultraelliptic line integrals which are related to a Riemann surface..The solution is reformulated so as to make it easier to handle and all integrals are transformed into definite real inte作者: 陰謀小團(tuán)體 時(shí)間: 2025-3-31 13:13
The Superposition of Null Dust Beam in General Relativityrections. Exact time-independent solutions are given for the interaction region of outgoing and incoming Vaidya solutions and for the non-linear superposition of two cylindrically symmetric pencils of light propagating in the positive and negative axial directions.作者: 大廳 時(shí)間: 2025-3-31 15:43 作者: 西瓜 時(shí)間: 2025-3-31 18:48
The FRW Universes with Barotropic Fluids in Jordan-Brans-Dicke Theoryfficulties that have been overcome when the space is non-flat in scalar-tensor theories only if the energy-stress tensor is vacuous or describes stiff matter, incoherent radiation or ultrarelativistic matter. This paper reveals the dynamics for these and the other ideal fluid models, in non-flat spa作者: objection 時(shí)間: 2025-3-31 22:52
