作者: drusen 時(shí)間: 2025-3-21 22:40
Valery G. Romanovski,Douglas S. Shafere models are also discussed. No prior knowledge of differential geometry, general relativity, or quantum field theory in curved spacetime is assumed. The discussion attempts to capture the essence of these topics without oversimplification.作者: 反對 時(shí)間: 2025-3-22 03:22
Linear Systems with Constant Coefficients, holes but is derived here from a microscopic quantum theory of the condensate without any use of the analogy with gravitational systems. To facilitate physical understanding of the basic concepts, a simple one-dimensional geometry with a stepwise homogenous flow is considered which allows for a fully analytical treatment.作者: 強(qiáng)有力 時(shí)間: 2025-3-22 05:23
Systems of Differential Equations,ence of supermassive black holes in galactic nuclei, with mention to forthcoming experiments aimed at testing directly the black hole hypothesis. We further focus on evidences of a black hole event horizon in cosmic sources.作者: ingestion 時(shí)間: 2025-3-22 11:06 作者: 起波瀾 時(shí)間: 2025-3-22 14:50
Understanding Hawking Radiation from Simple Models of Atomic Bose-Einstein Condensates, holes but is derived here from a microscopic quantum theory of the condensate without any use of the analogy with gravitational systems. To facilitate physical understanding of the basic concepts, a simple one-dimensional geometry with a stepwise homogenous flow is considered which allows for a fully analytical treatment.作者: GIDDY 時(shí)間: 2025-3-22 19:36
Astrophysical Black Holes: Evidence of a Horizon?,ence of supermassive black holes in galactic nuclei, with mention to forthcoming experiments aimed at testing directly the black hole hypothesis. We further focus on evidences of a black hole event horizon in cosmic sources.作者: 人造 時(shí)間: 2025-3-22 22:32
Book 2013n fluids to nonlinear optics. The underlying common aspect of all these topics, and hence the main focus and perspective from which they are explained here, is the attempt to develop analogue models for gravitational systems. The original and main motivation of the field is the verification and stud作者: 譏諷 時(shí)間: 2025-3-23 03:35
Jean-Pierre Aubin,Patrick Saint-Pierrepe of the dispersion law is discussed and applied to a number of cases of current experimental interest. Some consequences of these emission processes onto the stability of condensed-matter analogues of gravitational systems are finally illustrated.作者: LEER 時(shí)間: 2025-3-23 06:35 作者: chemoprevention 時(shí)間: 2025-3-23 12:41
https://doi.org/10.1007/978-94-015-8915-4are classically correlated; the spectra of the conversion process is described by a Boltzmann-distribution; and the Boltzmann-distribution is determined by the change in flow across the white hole horizon.作者: Blatant 時(shí)間: 2025-3-23 14:40 作者: 幼兒 時(shí)間: 2025-3-23 21:56 作者: Wernickes-area 時(shí)間: 2025-3-23 22:28 作者: Anthology 時(shí)間: 2025-3-24 03:35 作者: 會(huì)議 時(shí)間: 2025-3-24 07:54 作者: Mitigate 時(shí)間: 2025-3-24 11:51
Valery G. Romanovski,Douglas S. Shaferd matter and/or optical systems by providing an unexpected and countervailing viewpoint. In this chapter, I shall provide a few simple examples of analogue spacetimes as general background for the rest of the contributions.作者: mendacity 時(shí)間: 2025-3-24 15:02 作者: temperate 時(shí)間: 2025-3-24 21:31 作者: 要求比…更好 時(shí)間: 2025-3-25 02:59
Survey of Analogue Spacetimes,d matter and/or optical systems by providing an unexpected and countervailing viewpoint. In this chapter, I shall provide a few simple examples of analogue spacetimes as general background for the rest of the contributions.作者: jovial 時(shí)間: 2025-3-25 04:28
Some Aspects of Dispersive Horizons: Lessons from Surface Waves, problem. We also discuss the role of Airy interference in hybridising the incoming waves with the flowing background (the effective spacetime) and blurring the position of the black/white-hole horizon.作者: 進(jìn)取心 時(shí)間: 2025-3-25 07:30
Lorentz Breaking Effective Field Theory and Observational Tests, matter sector, present the constraints provided by the available observations and finally discuss the implications of the persisting uncertainty on the composition of the ultra high energy cosmic rays for the constraints on the higher order, analogue gravity inspired, Lorentz violations.作者: Rebate 時(shí)間: 2025-3-25 12:00
Analogue Gravity Phenomenology978-3-319-00266-8Series ISSN 0075-8450 Series E-ISSN 1616-6361 作者: cochlea 時(shí)間: 2025-3-25 18:28
Jean-Pierre Aubin,Patrick Saint-Pierren. The low frequency shallow water approximation for these waves is derived for a varying bottom topography. Most importantly, the conserved norm for the surface waves is derived, important for quantisation of these waves and their use in analogue models for black holes.作者: fatty-acids 時(shí)間: 2025-3-25 20:18
Marina Plekhanova,Elizaveta Izhberdeevado the (almost) impossible: invisibility cloaking, perfect imaging, levitation, and the creation of analogues of the event horizon. This chapter gives an introduction to this field requiring minimal prerequisites.作者: insipid 時(shí)間: 2025-3-26 02:49
Systems of Differential Equationsate the analogues of black and white hole horizons and a photon emission is predicted that is analogous to Hawking radiation. We give an overview of the current state of the art in the field of analogue gravity with laser pulses and of its implications and applications for optics.作者: Oscillate 時(shí)間: 2025-3-26 04:36
Daniele Faccio,Francesco Belgiorno,Ugo MoschellaDescribes the first experimental results in the study of analogues to gravity in the laboratory.Covers all the major approaches for constructive analogies that have been contrived to date.Explains, re作者: 老巫婆 時(shí)間: 2025-3-26 12:22
Lecture Notes in Physicshttp://image.papertrans.cn/a/image/155893.jpg作者: diathermy 時(shí)間: 2025-3-26 13:31
Irrotational, Two-Dimensional Surface Waves in Fluids,n. The low frequency shallow water approximation for these waves is derived for a varying bottom topography. Most importantly, the conserved norm for the surface waves is derived, important for quantisation of these waves and their use in analogue models for black holes.作者: dragon 時(shí)間: 2025-3-26 19:21 作者: Mystic 時(shí)間: 2025-3-26 23:20
Laser Pulse Analogues for Gravity,ate the analogues of black and white hole horizons and a photon emission is predicted that is analogous to Hawking radiation. We give an overview of the current state of the art in the field of analogue gravity with laser pulses and of its implications and applications for optics.作者: FLIT 時(shí)間: 2025-3-27 03:08 作者: 暫時(shí)休息 時(shí)間: 2025-3-27 06:09 作者: Kaleidoscope 時(shí)間: 2025-3-27 10:14
Cosmological Particle Creation in the Lab?,We give an overview of some fundamental quantum vacuum effects in curved space times that may be studied in earth based laboratories. In particular we review the concept of cosmological particle creation related to a contraction or expansion of the Universe.作者: 親愛 時(shí)間: 2025-3-27 13:59 作者: Anticonvulsants 時(shí)間: 2025-3-27 19:02 作者: deface 時(shí)間: 2025-3-28 01:18 作者: 歹徒 時(shí)間: 2025-3-28 02:53
Jean-Pierre Aubin,Patrick Saint-Pierren. The low frequency shallow water approximation for these waves is derived for a varying bottom topography. Most importantly, the conserved norm for the surface waves is derived, important for quantisation of these waves and their use in analogue models for black holes.作者: 有罪 時(shí)間: 2025-3-28 08:43 作者: 呼吸 時(shí)間: 2025-3-28 13:27 作者: Immunoglobulin 時(shí)間: 2025-3-28 15:13
https://doi.org/10.1007/978-94-015-8915-4obstacle into an open channel flow we create a region of high velocity over the obstacle that can include wave horizons. Long (shallow water) waves propagating upstream towards this region are blocked and converted into short (deep water) waves. This is the analogue of the stimulated Hawking emissio作者: 歡笑 時(shí)間: 2025-3-28 19:46 作者: defray 時(shí)間: 2025-3-28 23:45
Marina Plekhanova,Elizaveta Izhberdeevado the (almost) impossible: invisibility cloaking, perfect imaging, levitation, and the creation of analogues of the event horizon. This chapter gives an introduction to this field requiring minimal prerequisites.作者: Mosaic 時(shí)間: 2025-3-29 04:18
Systems of Differential Equationsate the analogues of black and white hole horizons and a photon emission is predicted that is analogous to Hawking radiation. We give an overview of the current state of the art in the field of analogue gravity with laser pulses and of its implications and applications for optics.作者: Fabric 時(shí)間: 2025-3-29 10:28 作者: 清洗 時(shí)間: 2025-3-29 14:49
John H. Hubbard,Beverly H. Westave also inspired the investigation of possible departures from exact Lorentz invariance at microscopic scales. In this role they have joined, and sometime anticipated, several quantum gravity models characterized by Lorentz breaking phenomenology. A?crucial difference between these speculations and作者: DAMN 時(shí)間: 2025-3-29 18:27 作者: 可耕種 時(shí)間: 2025-3-29 23:35 作者: 背叛者 時(shí)間: 2025-3-30 01:02
Systems of Differential Equations,or . with particular attention to the black holes of stellar origin. Later, we highlight a series of observations that reveal the albeit indirect presence of supermassive black holes in galactic nuclei, with mention to forthcoming experiments aimed at testing directly the black hole hypothesis. We f作者: Exposition 時(shí)間: 2025-3-30 05:02
https://doi.org/10.1007/978-3-319-00266-8Analogue Gravity Systems; Black Hole Analogues in Flowing Dielectrics; Black Hole Analogues in Flowing作者: Goblet-Cells 時(shí)間: 2025-3-30 09:33
978-3-319-00265-1Springer International Publishing Switzerland 2013作者: Allure 時(shí)間: 2025-3-30 13:24 作者: 顯示 時(shí)間: 2025-3-30 18:58
The Topology of the Quantum Vacuum,s. They determine the universality classes of the topological matter and the type of the effective theory which emerges at low energy. In many cases they also give rise to emergent symmetries, including the effective Lorentz invariance, and emergent phenomena such as effective gauge and gravitationa作者: 停止償付 時(shí)間: 2025-3-31 00:22 作者: graphy 時(shí)間: 2025-3-31 03:54
John H. Hubbard,Beverly H. Wests. They determine the universality classes of the topological matter and the type of the effective theory which emerges at low energy. In many cases they also give rise to emergent symmetries, including the effective Lorentz invariance, and emergent phenomena such as effective gauge and gravitationa作者: 翻動(dòng) 時(shí)間: 2025-3-31 05:18 作者: amorphous 時(shí)間: 2025-3-31 12:27 作者: 膽汁 時(shí)間: 2025-3-31 15:42
Irrotational, Two-Dimensional Surface Waves in Fluids,n. The low frequency shallow water approximation for these waves is derived for a varying bottom topography. Most importantly, the conserved norm for the surface waves is derived, important for quantisation of these waves and their use in analogue models for black holes.作者: 音樂會(huì) 時(shí)間: 2025-3-31 18:06
,The C?erenkov Effect Revisited: From Swimming Ducks to Zero Modes in Gravitational Analogues,lassical electromagnetism, superfluid hydrodynamics, and classical hydrodynamics. The details of each specific physical systems enter our theory via the dispersion law of the excitations. A?geometrical recipe to obtain the emission patterns in both real and wave-vector space from the geometrical sha作者: 曲解 時(shí)間: 2025-4-1 00:15 作者: 我怕被刺穿 時(shí)間: 2025-4-1 02:14 作者: 缺乏 時(shí)間: 2025-4-1 07:51
Understanding Hawking Radiation from Simple Models of Atomic Bose-Einstein Condensates,a stationary condensate flowing at supersonic speeds. This emission process is a condensed-matter analog of Hawking radiation from astrophysical black holes but is derived here from a microscopic quantum theory of the condensate without any use of the analogy with gravitational systems. To facilitat作者: 撫育 時(shí)間: 2025-4-1 10:31
Transformation Optics,do the (almost) impossible: invisibility cloaking, perfect imaging, levitation, and the creation of analogues of the event horizon. This chapter gives an introduction to this field requiring minimal prerequisites.
