Dimensional reduction by Monte Carlo |
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Authors: | David JE Callaway Roberto Petronzio |
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Institution: | CERN Geneva, Switzerland |
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Abstract: | A Monte Carlo method for mapping a field theoretical or statistical system to a new theory embedded in a space-time of lesser dimensionality is presented. Typically, the critical properties of the dimensionally reduced system depend upon the details of the mapping. As an example, the two-dimensional Ising model is mapped to a one-dimensional Ising model with long-range forces and a phase transition. Systems with long-range interactions and known exponents can thus be constructed with this procedure. |
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