1 gauge, gauge 1 or gauge one is a model railway and toy train standard that was popular in the early 20th century, particularly with European manufacturers...

In the physics of gauge theories, gauge fixing (also called choosing a gauge) denotes a mathematical procedure for coping with redundant degrees of freedom...

In physics, a gauge theory is a type of field theory in which the Lagrangian, and hence the dynamics of the system itself, does not change under local...

(1.772 in) (the same as 1 gauge). This G gauge at 1:22.5 scale represents 1,000 mm (3 ft 3+3⁄8 in) metre gauge narrow-gauge railways. This scale-gauge...

G scale or G gauge, also called large scale (45 mm or 1+3⁄4 inches), is a track gauge for model railways which is often used for outdoor garden railways...

international gauge, UIC gauge, uniform gauge, normal gauge in Europe, and SGR in East Africa. It is the most widely used track gauge around the world...

mechanically are called pressure gauges, vacuum gauges or compound gauges (vacuum & pressure). The widely used Bourdon gauge is a mechanical device, which...

(4 ft 8+1⁄2 in) standard gauge. Most narrow-gauge railways are between 600 mm (1 ft 11+5⁄8 in) and 1,067 mm (3 ft 6 in). Since narrow-gauge railways are usually...

OO gauge or OO scale (also, 00 gauge and 00 scale) is the most popular standard gauge model railway standard in the United Kingdom, outside of which it...

Metre-gauge railways (US: meter-gauge railways) are narrow-gauge railways with track gauge of 1,000 mm (3 ft 3+3⁄8 in) or 1 metre. Metre gauge is used...

O scale (or O gauge) is a scale commonly used for toy trains and rail transport modelling. Introduced by German toy manufacturer Märklin around 1900,...

also have internal gauge symmetries. Supersymmetric gauge theory generalizes this notion. A gauge theory is a field theory with gauge symmetry. Roughly...

extending the gauge group of the Standard Model of Particle Physics with a new abelian U(1) gauge symmetry. The corresponding new spin-1 gauge boson (i.e...

scale ranges from 1:148 to 1:160. Effectively the scale is 1:159, 9 mm to 1,435 mm (4 ft 8+1⁄2 in), which is the width of standard gauge railway. However...

}}\psi } do not respect U(1) × SU(2)L gauge invariance. Neither is it possible to add explicit mass terms for the U(1) and SU(2) gauge fields. The Higgs mechanism...

called HOn2½, HO9 and H0e) gauge is the modelling of narrow-gauge railways in HO on N (9 mm / 0.354 in) gauge track in 1:87 scale ratio. The term HOn30...

gauges, in descending order of size, are the 10 gauge, 12 gauge, 16 gauge, 20 gauge, 28 gauge, and .410 bore. By far the most popular is the 12 gauge...

seen. In a U(1) gauge group with quantized charge, the group is a circle of radius 2π/e. Such a U(1) gauge group is called compact. Any U(1) that comes...

S gauge) is a model railroad scale modeled at 1:64 scale, S scale track gauge (space between the rails) is 0.883–0.905 in (22.4–23.0 mm). S gauge trains...

wheelsets that are compatible with the track gauge. Since many different track gauges exist worldwide, gauge differences often present a barrier to wider...

for modelling 1,435 mm (4 ft 8+1⁄2 in) standard gauge tracks and trains in HO. The name HO comes from 1:87 scale being half that of O scale, which was...

essential to explain the generation mechanism of the property "mass" for gauge bosons. Without the Higgs mechanism, all bosons (one of the two classes...

quantum (superpartner) of a gauge field, as predicted by gauge theory combined with supersymmetry. All gauginos have a spin of 1/2, except for the gravitino...

The Birmingham gauge, officially the Birmingham Wire Gauge and often abbreviated as G or ga, is unit or wire gauge used to measure the thickness or diameter...

Ramond–Ramond gauge potentials, a dilaton and a dilatino. The Bianchi identities of the Ramond–Ramond gauge potentials C 2 k − 1 {\displaystyle C_{2k-1}} can...

many times. Igor Klebanov and Matthew Strassler studied this kind of N=1 gauge theory in the context of the AdS-CFT correspondence, which is dual to the...

quantized gauge theory, gauge bosons are quanta of the gauge fields. Consequently, there are as many gauge bosons as there are generators of the gauge field...

called On21⁄2, O16.5 and Oe) gauge is the modelling of narrow gauge railways in O scale on HO (16.5 mm / 0.65 in) gauge track in 1:48 scale ratio by American...

American Wire Gauge (AWG) is a logarithmic stepped standardized wire gauge system used since 1857, predominantly in North America, for the diameters of...

With railways, a break of gauge occurs where a line of one track gauge (the distance between the rails, or between the wheels of trains designed to run...