COMPUTING THE COUPLINGS OF ISING SYSTEMS FROM SCHWINGER-DYSON EQUATIONS - INSPIRE

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COMPUTING THE COUPLINGS OF ISING SYSTEMS FROM SCHWINGER-DYSON EQUATIONS

Jul, 1988

7 pages

Published in:

Phys.Lett.B 214 (1988) 418-424

Published: 1988

DOI:

10.1016/0370-2693(88)91387-1

Report number:

FTUAM/88-23

View in:

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Abstract: (Elsevier)

We study the problem of determining the couplings of Ising systems in terms of expectation values. We find that all previously known methods can be based on Schwinger-Dyson equations. Indeed, new methods can be derived with relative advantages with respect to all of them. Application for the renormalization group flow of the Ising model on a square lattice is presented.

STATISTICAL MECHANICS: ISING
COUPLING
DYSON-SCHWINGER EQUATION
RENORMALIZATION GROUP
TRANSFORMATION: BLOCK SPIN
BLOCK SPIN: TRANSFORMATION
LATTICE FIELD THEORY: TWO-DIMENSIONAL
NUMERICAL CALCULATIONS: MONTE CARLO

References(15)

Figures(0)

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