Table 2 A comparison of universality class of critical exponents between the short-range, extended-range and long-range models.

From: Critical scaling of a two-orbital topological model with extended neighboring couplings

Model

\(\hspace{0.2cm}k_0\hspace{0.2cm}\)

\(\hspace{0.2cm}z\hspace{0.2cm}\)

\(\hspace{0.2cm}\nu \hspace{0.2cm}\)

\(\hspace{0.2cm}\gamma \hspace{0.2cm}\)

\(\hspace{0.2cm} y\hspace{0.2cm}\)

\(2-\alpha ^*\)

Short-range

0

1

1

1

1

2

\(\pi\)

1

1

1

1

2

Extended-range

(multi-criticality)

0

1

1

1

1

2

\(\pi\)

2

1/2

1

1

3/2

Extended-range

(normal criticality)

0

1

1

1

1

2

\(\pi\)

1

1

1

1

2

Long-range

      

\(\alpha <1\)

0

D

IL

IL

IL

IL

\(1<\alpha <2\)

 

\(z<1\)

–

–

1

H

\(\alpha >2\)

 

1

1

1

1

2

\(\forall\) \(\alpha\)

\(\pi\)

1

1

1

1

2

  1. Here IL, D and H represent ill-defined, divergent and higher order quantities.