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searching for Four-vector 51 found (135 total)

Dual photon (1,226 words) [view diff] exact match in snippet view article find links to article

singularity is to include a second four-vector potential, called dual photon, in addition to the usual four-vector potential, photon. Additionally, it

Covariant formulation of classical electromagnetism (3,362 words) [view diff] exact match in snippet view article find links to article

field, and c the speed of light. The four-current is the contravariant four-vector which combines electric charge density ρ and electric current density

Cray-2 (2,149 words) [view diff] no match in snippet view article find links to article

The Cray-2 is a supercomputer with four vector processors made by Cray Research starting in 1985. At 1.9 GFLOPS peak performance, it was the fastest machine

Geometrized unit system (944 words) [view diff] exact match in snippet view article find links to article

the components of the electromagnetic potential four-vector and the electromagnetic current four-vector. Physical quantities such as mass and electric

HITAC S-3000 (308 words) [view diff] no match in snippet view article find links to article

generations. It was a parallel vector processor and supported one to four vector processors. In 1994, the S-3000 family was complemented by an MPP machine

Two-body Dirac equations (8,789 words) [view diff] exact match in snippet view article find links to article

applications of the TBDE to QED, the two particles interact by way of four-vector potentials derived from the field theoretic electromagnetic interactions

Boson (1,061 words) [view diff] no match in snippet view article find links to article

particle that contributes to the phenomenon of mass via the Higgs mechanism Four vector bosons (spin = 1) that act as force carriers. These are the gauge bosons:

Transactional interpretation (2,935 words) [view diff] exact match in snippet view article find links to article

account is given in Cramer (1986), which pictures a transaction as a four-vector standing wave whose endpoints are the emission and absorption events

Aeronautics (2,550 words) [view diff] no match in snippet view article find links to article

the application of power to the resistance of air." He identified the four vector forces that influence an aircraft: thrust, lift, drag and weight and

Electromagnetic tensor (2,349 words) [view diff] no match in snippet view article find links to article

equal to zero. This tensor simplifies and reduces Maxwell's equations as four vector calculus equations into two tensor field equations. In electrostatics

Mass in special relativity (6,138 words) [view diff] exact match in snippet view article find links to article

proportional to (c,v→){\displaystyle \left(c,{\vec {v}}\right)}, is the only four-vector associated with the particle's motion, so that if there is a conserved

TI Advanced Scientific Computer (1,401 words) [view diff] no match in snippet view article find links to article

memory. The CPU could have one, two, or four vector lanes, allowing the CPU to produce one to four vector results every cycle, depending on the number

Gyromagnetic ratio (2,360 words) [view diff] exact match in snippet view article find links to article

factors of the spin 1/2 particles in the (1/2+-1/2−-1/2−) triad of the four-vector spinor, ψμ, irreducibility and linearity". International Journal of Modern

Fermi–Walker transport (804 words) [view diff] exact match in snippet view article find links to article

aτ{\displaystyle a^{\tau }} and μ{\displaystyle \mu } are polarization four-vector and magnetic moment, uτ{\displaystyle u^{\tau }} is four-velocity of

Synchronous frame (6,191 words) [view diff] exact match in snippet view article find links to article

time lines are normal to the hypersurfaces t = const. Indeed, the unit four-vector normal to such a hypersurface ni = ∂t/∂xi has covariant components nα

Retarded potential (1,283 words) [view diff] exact match in snippet view article find links to article

}=h_{\mu \nu }-{\frac {1}{2}}\eta _{\mu \nu }h} plays the role of the four-vector potential, the harmonic gauge h ~ μ ν , μ = 0 {\displaystyle {\tilde

Larmor precession (1,255 words) [view diff] exact match in snippet view article find links to article

e{\displaystyle e}, m{\displaystyle m}, and μ{\displaystyle \mu } are polarization four-vector, charge, mass, and magnetic moment, uτ{\displaystyle u^{\tau }} is four-velocity

Teleparallelism (2,488 words) [view diff] no match in snippet view article find links to article

the introduction of a tetrad field, i.e., a set {X1, X2, X3, X4} of four vector fields defined on all of M such that for every p ∈ M the set {X1(p),

Gradient (5,359 words) [view diff] exact match in snippet view article find links to article

field Divergence – Vector operator in vector calculus Four-gradient – Four-vector analogue of the gradient operation Hessian matrix – (Mathematical) matrix

Proper velocity (2,468 words) [view diff] exact match in snippet view article find links to article

mass m, and is made up of the space-like components of the object's four-vector velocity. William Shurcliff's monograph mentioned its early use in the

Coordinate conditions (1,130 words) [view diff] exact match in snippet view article find links to article

between the metric tensor and the Minkowski tensor is simply a null four-vector times itself, which is known as a Kerr-Schild form of the metric. This

Lorentz group (9,136 words) [view diff] exact match in snippet view article find links to article

thus showing the matrix with spacetime indexes μ, ν = 0, 1, 2, 3. A four-vector can be created from the Pauli matrices in two different ways: as σμ=(I

George Cayley (2,407 words) [view diff] no match in snippet view article find links to article

led him to develop an efficient cambered airfoil and to identify the four vector forces that influence an aircraft: thrust, lift, drag, and weight. He

John Wyndham (3,888 words) [view diff] no match in snippet view article find links to article

1986). "'We Are the Dead': The Day of the Triffids and Nineteen Eighty-Four". Vector. 113. Pipex: 4–5. Archived from the original on 10 August 2013. Retrieved

Numerical model of the Solar System (1,876 words) [view diff] no match in snippet view article find links to article

ignored. Then also the total energy is no longer a constant (because the four vector energy with linear momentum is). The finite speed of light also makes

Paul Dirac (8,845 words) [view diff] no match in snippet view article find links to article

x^{0}} = constant. Three of them H r {\displaystyle H_{r}} form the four vector density in the surface. The fourth H L {\displaystyle H_{L}} is a 3-dimensional

Higgs mechanism (6,713 words) [view diff] exact match in snippet view article find links to article

\mathrm {U} (1)\ } connection A μ . {\displaystyle \ A_{\mu }~.} The four-vector gauge field A μ {\displaystyle \ A_{\mu }\ } is also known as the

Higgs mechanism (6,713 words) [view diff] exact match in snippet view article find links to article

\mathrm {U} (1)\ } connection A μ . {\displaystyle \ A_{\mu }~.} The four-vector gauge field A μ {\displaystyle \ A_{\mu }\ } is also known as the

Relativistic Doppler effect (6,041 words) [view diff] exact match in snippet view article find links to article

Equation 1, the expression for relativistic longitudinal Doppler shift. A four-vector approach to deriving these results may be found in Landau and Lifshitz

Relativistic dynamics (1,546 words) [view diff] exact match in snippet view article find links to article

Newtonian concept and identified t as the fourth coordinate of a space-time four-vector. Einstein's view of time requires a physical equivalence between coordinate

QuarkNet (733 words) [view diff] exact match in snippet view article find links to article

Excel to reconstruct the invariant mass of a particle when given the four-vector of that particle's decay products. In addition, participants attend several

CDC Cyber (3,734 words) [view diff] no match in snippet view article find links to article

are cooled with Freon. Cyber 205 systems were available with two or four vector pipelines, with the four-pipe version theoretically delivering 400 64-bit

Frame fields in general relativity (4,665 words) [view diff] no match in snippet view article find links to article

frame, one naturally needs to ensure, using the given metric, that the four vector fields are everywhere orthonormal. More modern texts adopt the notation

Feynman diagram (15,979 words) [view diff] exact match in snippet view article find links to article

momentum are conserved, but where the length of the energy-momentum four-vector is not necessarily equal to the mass, i.e. the intermediate particles

Invention of radio (12,792 words) [view diff] no match in snippet view article find links to article

Heaviside, later reformulated Maxwell's original equations into the set of four vector equations that are generally known today as Maxwell's equations. Neither

History of aviation (14,987 words) [view diff] no match in snippet view article find links to article

the application of power to the resistance of air". He identified the four vector forces that influence an aircraft: thrust, lift, drag and weight and

Neutrino theory of light (8,034 words) [view diff] exact match in snippet view article find links to article

to bind a fermion–antiferminon pair in attempting to form a pion. A four-vector field can be created from a fermion–antifermion pair, Ψ † γ 0 γ μ Ψ

Early flying machines (14,967 words) [view diff] no match in snippet view article find links to article

the application of power to the resistance of air". He identified the four vector forces that influence an aircraft: thrust, lift, drag and weight and

Gibbons–Hawking–York boundary term (5,576 words) [view diff] exact match in snippet view article find links to article

}}_{\beta }-\epsilon n^{\alpha }n_{\beta }} projects out the part of a four-vector transverse to the normal nα{\displaystyle n^{\alpha }} as

Automatic vectorization (2,862 words) [view diff] no match in snippet view article find links to article

can perform four operations for a single vector instruction. Since the four vector operations complete in roughly the same time as one scalar instruction

Nordström's theory of gravitation (6,170 words) [view diff] exact match in snippet view article find links to article

indexed coordinate, and where ua{\displaystyle u^{a}} is the velocity four-vector of the test particle. This force law had earlier been proposed by Abraham

Characters of Xenosaga (14,157 words) [view diff] no match in snippet view article find links to article

was drawing the Gnosis to Second Miltia. It is not stated which of the four Vector vessels (the Woglinde II, the Wellgunde, the Floßhilde or Vector's headquarters

Representation theory of the Lorentz group (19,750 words) [view diff] exact match in snippet view article find links to article

massless or massive) transforms under the (1/2, 1/2) representation, a four-vector. A physical example of a (1,1) traceless symmetric tensor field is the

Mimetic interpolation (2,061 words) [view diff] no match in snippet view article find links to article

The four vector fields which are dual to the four edge interpolating forms attached to a quadrilateral cell. The vector fields are strongest on their

Monochromatic electromagnetic plane wave (3,224 words) [view diff] exact match in snippet view article find links to article

electromagnetic field vector potential, one may take the electromagnetic four-vector potential A→=2a∫C(u2ω2,q22ω2,ωu)sin⁡(ωu)duC(q2ω2,q22ω2,ωu)∂x{\displaystyle

Born coordinates (5,790 words) [view diff] no match in snippet view article find links to article

appear as vertical straight lines. Indeed, we can easily transform the four vector fields making up the Langevin frame into the new chart. We obtain

Joos–Weinberg equation (2,216 words) [view diff] exact match in snippet view article find links to article

[MATμν][αβ][γδ] generators express in terms of the generators in the four-vector, [ M μ ν V ] α β = i ( g α μ g β ν − g α ν g β μ ) , {\displaystyle \left[M_{\mu

Majorana equation (8,807 words) [view diff] exact match in snippet view article find links to article

}{\partial y}}+\sigma _{z}{\frac {\partial \psi }{\partial z}}=0} The Pauli four-vector is σ μ = ( σ 0 σ 1 σ 2 σ 3 ) = ( I 2 σ x σ y σ z ) {\displaystyle \sigma

Light-front quantization applications (8,872 words) [view diff] exact match in snippet view article find links to article

}(p+q)|j^{+}|H(p)>} where qμ{\displaystyle q^{\mu }} is the momentum four-vector of the exchanged virtual photon and |H(p)>{\displaystyle |H(p)>} is the

Proper reference frame (flat spacetime) (9,054 words) [view diff] exact match in snippet view article

second rank tensor with ω {\displaystyle \omega } as the angular velocity four-vector and ϵ {\displaystyle \epsilon } as the Levi-Civita symbol. It turns out

Timeline of the Russian invasion of Ukraine (8 June 2023 – 31 August 2023) (31,956 words) [view diff] no match in snippet view article

BV206 all-terrain vehicles, over 6,500 rounds of 155mm smoke ammunition, four Vector reconnaissance drones, five border protection vehicles, six truck tractor