Physics terms starting with J

Mathematical & Computational Physics

A matrix of all first-order partial derivatives of a vector-valued multivariable function, representing local linear coordinate…

J_ij = ∂f_i / ∂x_j, dV' = |det J| dV Coordinate Transformation Factor

Condensed Matter & Materials Physics

The quantum tunneling of Cooper pairs across a thin insulating barrier separating two superconductors (a Josephson junction).

I = I_c sin(Δφ), V = (ℏ / 2e) (dΔφ / dt) mA (Current), μV (Voltage)

Electromagnetism & Electronics

The process in which the flow of electric current through a conductor generates thermal energy due to electrical resistance.

H = I² R t = P t J (Joules)

Thermodynamics & Statistical Physics

The temperature change experienced by a real gas when throttled through an insulated porous plug or valve at constant enthalpy.

μ_JT = (∂T / ∂P)_H K/Pa

Terms starting with J