Semantic Scholar Open Access 2001 4 sitasi

Three-loop ground-state energy ofO(N)-symmetric Ginzburg-Landau theory aboveTcin4−ɛdimensions with minimal subtraction

B. Kastening H. Kleinert B. V. D. Bossche

Lihat Sumber DOI

Abstrak

As a step towards deriving universal amplitude ratios of the superconductive phase transition we calculate the vacuum energy density in the symmetric phase of $\mathrm{O}(N)$-symmetric scalar QED in $D=4\ensuremath{-}\ensuremath{\varepsilon}$ dimensions in an $\ensuremath{\varepsilon}$ expansion using the minimal subtraction scheme commonly denoted by $\overline{\mathrm{MS}}.$ From the diverging parts of the diagrams, we obtain the renormalization constant of the vacuum ${Z}_{v}$ which also contains information on the critical exponent $\ensuremath{\alpha}$ of the specific heat. As a side result, we use an earlier two-loop calculation of the effective potential [H. Kleinert and B. Van den Bossche, cond-mat/0104102] to determine the renormalization constant of the scalar field ${Z}_{\ensuremath{\varphi}}$ up to two loops.

Topik & Kata Kunci

Physics

Penulis (3)

B. Kastening

H. Kleinert

B. V. D. Bossche

Format Sitasi

APA MLA BibTeX

Kastening, B., Kleinert, H., Bossche, B.V.D. (2001). Three-loop ground-state energy ofO(N)-symmetric Ginzburg-Landau theory aboveTcin4−ɛdimensions with minimal subtraction. https://doi.org/10.1103/PhysRevB.65.174512

Akses Cepat

Lihat di Sumber doi.org/10.1103/PhysRevB.65.174512

Informasi Jurnal

Tahun Terbit: 2001
Bahasa: en
Total Sitasi: 4×
Sumber Database: Semantic Scholar
DOI: 10.1103/PhysRevB.65.174512
Akses: Open Access ✓