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Long-Range Spin-Spin Forces in Gauge Theories

1981; American Physical Society; Volume: 47; Issue: 16 Linguagem: Inglês

10.1103/physrevlett.47.1089

1092-0145

John B. Kogut, G. Parisi,

Black Holes and Theoretical Physics

If the long-distance properties of pure gauge theories are described by thin strings, then quantum fluctuations induce a long-range spin-spin potential between widely separated heavy quarks. This potential falls off as the fifth power of the distance between the quarks and may be important in heavy-quark phenomenology.