Year: 1999
Type: article
Abstract: Using strong-coupling quantum field theory, we calculate highly accurate critical exponents $\ensuremath{\nu},\ensuremath{\eta}$ following from new seven-loop expansions in three dimensions. Our theoretical value for the critical exponent \ensuremath{\alpha} of the specific heat near the \ensuremath{\lambda} point of superfluid helium is \ensuremath{\alpha}=-0.01294\ifmmode\pm\else\textpm\fi{}0.00060, in excellent agreement with the space shuttle experimental value \ensuremath{\alpha}=-0.01285\ifmmode\pm\else\textpm\fi{}0.00038.
Author: Hagen Kleinert
Institution: Freie Universität Berlin
Language: Latvian
Subfield: Condensed Matter Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W1540349985
