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The constraint effective potential for O(N) symmetric spin models

M. Gockeler
(
- Aachen, Tech. Hochsch. and
- Julich, NIC
)
,
H. Leutwyler
(
- Bern U.
)

Aug 27, 1990

7 pages

Published in:

Phys.Lett.B 253 (1991) 193-199

Published: 1991

DOI:

10.1016/0370-2693(91)91383-7

Report number:

HLRZ-90-60,
BUTP-90-32-BERN

View in:

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Abstract: (Elsevier)

For O( N )-symmetric spin models in the spontaneously broken phase, we study the distribution of the mean field Φ=V −1 fd d x φ (x) at large volume. We use results from chiral perturbation theory to show that this distribution obeys a scaling law. The shape of the constraint effective potential is determined in the scaling limit.

model: spin
spin: model
symmetry: O(N)
spontaneous symmetry breaking
scaling
mean field approximation
perturbation theory: chiral
effective potential: constraint
field theory: finite size

References(11)

Figures(0)

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