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  1. 1 Acta Physica Polonica A

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  1. 1 2000

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  1. 1 Goossens D.

  2. 1 Wilson K.

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A Neural Network Model of an Ising Spin Glass

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Wilson K., Goossens D.
Acta Physica Polonica A
|
2000
|
vol. 97
|
issue 5
983-986
EN
The behaviour of an Ising spin glass (S=1/2) with infinite range interactions is modelled using a numerical simulation based on a neural network. Thermodynamic variables are defined on the network, and are found to obey the Thouless-Anderson-Palmer theory when the applied magnetic field is zero. When a magnetic field is applied along the spin direction, complex field-dependent behaviour appears, including a state in which the Edwards-Anderson order parameter is independent of temperature below the critical temperature.
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