maxwell s electromagnetic field equations for free space
15 Maxwell’s Equations for the Electromagnetic Fied
Ngày tải lên :
19/04/2016, 11:40
... field in free space is transverse This is exactly what is observed in the Fresnel–Arago interference equations Thus, in Maxwell s theory this result is an immediate consequence of his equations, whereas ... Maxwell s equations The result is remarkable and was the primary reason for Maxwell s belief in the validity of his equations In order to this, we first use the constitutive relations: D ¼ "E ... complete description of the classical dynamics of interacting charged particles and electromagnetic fields For macroscopic media the dynamical response of the aggregates of atoms is summarized...
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Đề tài " Stability and instability of the Cauchy horizon for the spherically symmetric Einstein-Maxwell-scalar field equations " doc
Ngày tải lên :
05/03/2014, 23:20
... THE EINSTEIN -MAXWELL- SCALAR FIELD EQUATIONS 881 Reissner-Nordstr¨m solution of the Einstein -Maxwell equations is similar to o the Kerr solution s black hole, and in particular, also has as future ... properties, in explicit solutions such as the Kerr solution, trapped surfaces must be present at all times Christodoulou s solutions for the first time demonstrated that trapped regions–and thus black ... equations The Einstein -Maxwell- scalar field equations under spherical symmetry In this section we derive the Einstein -Maxwell- scalar field equations under the assumption of spherical symmetry For general...
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Tài liệu Free As in Freedom: Richard Stallman''''s Crusade for Free Software pdf
Ngày tải lên :
16/02/2014, 23:20
... 198 0s As owner of the popular Windows operating system, Microsoft stands to lose the most in an industry-wide shift to the GPL license Almost every line of source code in the Windows colossus is ... interesting discussions," Uretsky says "This particular presentation, this seminar falls right into that mold I find the discussion of open source particularly interesting." Before Uretsky can ... are Stallman: Richard 's strong sense of personal frustration, his enormous sense of principled ethical commitment, his inability to compromise, especially on issues he considers fundamental These...
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Báo cáo khoa học: "The S-Space Package: An Open Source Package for Word Space Models" pdf
Ngày tải lên :
17/03/2014, 00:20
... Currently used benchmarks assess the semantics by inspecting the representational similarity of word pairs Two types of benchmarks are commonly used: word choice tests and association tests The S- Space ... relationships between words Word space algorithms consist of the same core algorithmic steps: word features are extracted from a corpus and the distribution of these features is used as a basis for semantic ... relations such as antonymy (“hot” and “cold”) or functional relatedness (“doctor” and “hospital”) are also possible The S- Space Package supports three association tests The first test uses data...
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Anything That’s Peaceful - The Case for the Free Market docx
Ngày tải lên :
22/03/2014, 21:20
... THAT 'S PEACEFUL HOW SOCIALISM HARMS THE INDIVIDUAL When the individual forsakes or has taken from him a sense of self-responsibility, he loses the very essence of his being HOW SOCIALISM HARMS THE ... history, this order of men must be distressingly small The reason for this opinion is the "respectability" which presently attends all but the basest forms of corruption Almost no shame descends ... find one who has Where is the individual who has so freed himself from his affections for or prejudices against persons, parties, creeds that he can utterly disregard these passions and weigh each...
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exact solutions of einstein''s field equations
Ngày tải lên :
24/04/2014, 17:07
... Exact Solutions of Einstein s Field Equations A revised edition of the now classic text, Exact Solutions of Einstein s Field Equations gives a unique survey of the known solutions of Einstein s field ... Hoenselaers–Kinnersley–Xanthopoulos transformations 34.3.1 The field equations 34.3.2 Infinitesimal transformations and transformations preserving Minkowski space 34.3.3 The Hoenselaers–Kinnersley–Xanthopoulos transformation ... reference simply reflects our personal tastes and experiences This part also gives some discussion of the classification of space- times with special vector and tensor fields and solutions found by...
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exact solutions of einstein''s field equations
Ngày tải lên :
24/04/2014, 17:07
... Exact Solutions of Einstein s Field Equations A revised edition of the now classic text, Exact Solutions of Einstein s Field Equations gives a unique survey of the known solutions of Einstein s field ... Hoenselaers–Kinnersley–Xanthopoulos transformations 34.3.1 The field equations 34.3.2 Infinitesimal transformations and transformations preserving Minkowski space 34.3.3 The Hoenselaers–Kinnersley–Xanthopoulos transformation ... reference simply reflects our personal tastes and experiences This part also gives some discussion of the classification of space- times with special vector and tensor fields and solutions found by...
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maxwell jc - a dynamic theory of the electromagnetic field
Ngày tải lên :
04/06/2014, 12:44
... part of space to have nega- essentially positive, it is impossible for tive intrinsic energy is force Hence those parts of space in which there is no resultant force, such as the points of equilibrium ... such that the for each of the small spaces enclosed between these two lines and the lines system In this way let is equal to unity more lines be drawn so as to form a second system, so that the ... bodies, as well as in those bodies themselves, and different forms, and a resides in the electromagnetic field, in the space surrounding which may be described without hypothesis as is in two magnetic...
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Báo cáo hóa học: " Local stability of the Pexiderized Cauchy and Jensen’s equations in fuzzy spaces" pptx
Ngày tải lên :
20/06/2014, 22:20
... Fuzzy Sets Syst 159, 730–738 (2008) doi:10.1016/j.fss.2007.07.011 Mirmostafee, AK, Moslehian, MS: Fuzzy versions of Hyers-Ulam-Rassias theorem Fuzzy Sets Syst 159, 720–729 (2008) doi:10.1016/j.fss.2007.09.016 ... Trans Am Math Soc 347, 3111–3119 (1995) doi:10.2307/2154775 Hyers, DH, Isac, G, Rassias, ThM: Stability of Functional Equations in Several Variables Birkhäuser, Basel (1998) Hyers, DH, Isac, ... functions in quasiBanach spaces J Math Anal Appl 337, 399–415 (2008) doi:10.1016/j.jmaa.2007.03.104 Najati, A, Park, C: Hyers-Ulam-Rassias stability of homomorphisms in quasi-Banach algebras associated...
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báo cáo hóa học: " Scaling limits of non-isentropic Euler-Maxwell equations for plasmas" doc
Ngày tải lên :
21/06/2014, 02:20
... Wang S: Convergence of compressible Euler -Maxwell equations to compressible Euler-Poisson equations Chin Ann Math 2007, 28(B):583-602 Peng YJ, Wang S: Convergence of compressible Euler -Maxwell equations ... Proposition 1.1 For the convergence of the compressible Euler -Maxwell system (1.1)-(1.6), our main result is stated as follows Theorem 2.1 For any fixed integer s0 > g g + 1and m ≥ 1, assume ... −∇φ Step 2: Set ε = in Euler-Poisson system (1.7)-(1.11), we can obtain n - b(x) = 0, which is so-called quasi-neutrality in plasma physics Then, (u, θ, j) satisfy the following equations: ∇...
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Báo cáo hóa học: " Research Article Mixed Monotone Iterative Technique for Abstract Impulsive Evolution Equations in Banach Spaces He Yang" docx
Ngày tải lên :
21/06/2014, 07:20
... Hence, for any t ∈ J and s ∈ 0, t \ e, denote by S t − s the adjoint operator of S t − s , then S t − s ∈ X ∗ , and φ S t − s G , wn s S∗ t − s φ G , wn s −→ S t − s φ G v∗ , w∗ s φ φ S t − s G ... we discuss the existence of mild ω-periodic solutions for the PBVP 1.1 on v0 , w0 We assume that the following assumptions are also satisfied: H3 there exists a constant R with max{2L, M such ... t S t v0 S t − s ϕ s ds t ≤ S t v0 S t − tk Δv0 |t tk 0
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Báo cáo hóa học: " Research Article An Existence Result for Nonlinear Fractional Differential Equations on Banach Spaces" ppt
Ngày tải lên :
21/06/2014, 20:20
... s, y s 3.12 ds − f s, y s |G t, s | f s, yn s ds Let ρ > be such that yn ∞ ≤ ρ, y ∞ ≤ ρ 3.13 By H2 we have g s, yn s − g s, y s ≤ 2ρpg s : σ1 s ; σ1 ∈ L1 J, R , h s, yn s − h s, y s ≤ 2ρph s : ... implies that N yn − N y ∞ −→ as n −→ ∞ 3.15 Step N maps DR into itself For each y ∈ DR , by H2 and 3.8 we have for each t ∈ J N y t ≤ T T T T g s, y s ds |G t, s | f s, y s T T T h s, y s ds ds 3.16 ... noncompactness is the map α : ΩE → 0, ∞ defined by α B inf >0:B⊆ n B i i and diam Bi ≤ ; here B ∈ ΩE 2.5 Properties The Kuratowski measure of noncompactness satisfies some properties for more details see...
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Báo cáo hóa học: " Research Article Oscillatory Solutions for Second-Order Difference Equations in Hilbert Spaces" potx
Ngày tải lên :
22/06/2014, 19:20
... studied the oscillation of its solutions in the following sense: a solution ({xn }, { yn }) is oscillatory if both components are oscillatory With our definitions, the system is interpreted as ... ≤ c/n3 for certain constant c > This means that (H2.1) is also fulfilled Therefore, our theorem asserts for any (x0 , y0 ) ∈ R2 with x0 > 0, there exists a solution (xn , yn ) to the system (2.1) ... with respect to u Since we follow a similar argument in both possibilities, we only consider the case of a solution {xn } which is eventually positive This means that there exists a positive...
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Báo cáo hóa học: "COINCIDENCE AND FIXED POINT THEOREMS FOR FUNCTIONS IN S-KKM CLASS ON GENERALIZED CONVEX SPACES" pot
Ngày tải lên :
22/06/2014, 22:20
... theorems in S- KKM class All topological spaces are supposed to be Hausdorff Let X and Y be two topological spaces A multimap T : X → 2Y is said to be (a) upper semicontinuous (u .s. c.) if T − (B) is ... follows we will express Γ(A) by ΓA , and we just say that (X,Γ) is a G-convex space provided that D = X The c -space introduced by Horvath [7] is an example of G-convex space For topological spaces ... uniform spaces, the class is an example of the Park s class U Therefore, for any locally G-convex uniform space (X,Γ), c (X,X) ⊆ KKM(X,X), and so we have the following theorem Theorem 3.11 Suppose...
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Báo cáo hóa học: " Research Article Characterization of a Reconfigurable Free-Space Optical Channel for Embedded Computer Applications with Experimental Validation Using Rapid Prototyping Technology" pptx
Ngày tải lên :
22/06/2014, 22:20
... of the system is used This technique proposed in [4] improves the rcrosstalk = P1/Pcrosstalk , of the system Although, the use of cleanup polarizers decreases P1max , this value can be raised again ... beam router system RESULTS This section studies the attenuation of the optical signal and the crosstalk at each output caused by misdirected signals In order to analyze the optical signals, two different ... it is necessary to consider the worst-case scenario In this case, the OMAsystem and re of the system are determined using the minimum value of P1, obtained at the last stage of the system, and...
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CHAPTER 10: TIME-VARYING FIELDS AND MAXWELL''''S EQUATIONS pot
Ngày tải lên :
07/08/2014, 20:23
... Before leaving this example, it is well to point out that the given field B does not satisfy all of Maxwell' s equations Such fields are often assumed (always in ac-circuit problems) and cause ... Contents | 335 ENGINEERING ELECTROMAGNETICS 10.4 MAXWELL' S EQUATIONS IN INTEGRAL FORM The integral forms of Maxwell' s equations are usually easier to recognize in terms of the experimental laws from ... generalization process Experiments must treat physical macroscopic quantities, and their results therefore are expressed in terms of integral relationships A differential equation always represents a theory...
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Báo cáo khoa học: " A comparison of mantle versus involved-field radiotherapy for Hodgkin''''s lymphoma: reduction in normal tissue dose and second cancer risk" docx
Ngày tải lên :
09/08/2014, 10:21
... limitations, and is based on four assumptions [see Additional file 1] These assumptions include those regarding estimating risks for mradiat, the number of pre-malignant stem cells, dose per fractionation ... contrary to the results of large studies of HL survivors demonstrating increasing risks with escalating doses beyond 20 Gy [5-8,19] For women diagnosed in their 20 's, reported RRs of breast cancer have ... which is largely for prescription doses above 30 Gy [5,7,8], three representative patients were selected for analysis These patients respectively had values for the mean female breast dose, mean...
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Fabrication of three dimensional free standing electromagnetic metamaterial structures for therahertz frequencies
Ngày tải lên :
06/10/2015, 20:42
... resonators, three-dimensional, freestanding, terahertz Thesis supervisor: MOSER Herbert Oskar Title: Professor Thesis supervisor: GIBSON Ian Title: Associate Professor “What we learn with pleasure, ... processes, her help in the fabrication and lastly for giving me an insight into metamaterial simulations Many thanks to Sascha Pierre Heussler for his practical discussions and suggestions on ... 2008, Moser et al [18] extended this investigation of S- shaped metamaterials to form the first free- standing S- shaped metamaterials for terahertz frequencies The Sshaped resonators consisted of...
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Bayesian recursive algorithms for estimating free space and user intentions in a semi autonomous wheelchair with a stereoscopic camera system
Ngày tải lên :
20/05/2016, 15:28
... Meanwhile, the autonomous wheelchair system equipped with sensors assists the wheelchair to avoid collisions and enhance user safety Therefore, an autonomous system using sensors should be developed ... ultrasound sensors for navigating in around obstacles, and avoiding collisions (Simpson 2005) However, the options available at present mostly assist with problems using 2D information and simple tasks, ... map using the ‘URG’ laser system This is shown in order to describe the effectiveness of using the stereoscopic camera in mobile wheelchairs • Chapter – This chapter discusses a Bayesian Recursive...
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