exponential decay

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exponential decay

[‚ek·spə′n en·chəl di′kā]
(physics)
The decrease of some physical quantity according to the exponential law N (t)= N0 e -t, where τ is a constant called the decay time.
References in periodicals archive ?
which by Theorem 7 decays exponentially in v when [mu]/1 - [mu] > 2v/1 - v, or equivalently [mu] > 2v/1 + v.
k, 2a; x)] decays exponentially when receding from the origin with k > - v/1 - v (2a), and decays slowly otherwise.
A](k, 2a) decays exponentially as the distance from the origin of (k, 2a) increases outside a set slightly larger than [K.