Phys. Rev. D 60, 085001 (1999) [15 pages]Critical exponents from seven-loop strong-coupling φ4 theory in three dimensionsReceived 4 December 1998; revised 7 June 1999; published 9 September 1999 Using strong-coupling quantum field theory, we calculate highly accurate critical exponents ν,η following from new seven-loop expansions in three dimensions. Our theoretical value for the critical exponent α of the specific heat near the λ point of superfluid helium is α=-0.01294±0.00060, in excellent agreement with the space shuttle experimental value α=-0.01285±0.00038. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.60.085001
DOI:
10.1103/PhysRevD.60.085001
PACS:
11.10.Gh, 11.10.Hi
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