Table 3 Fermi velocities of the bands crossing at W1 and W2 Weyl nodes in direction k x , k y , and k z , respectively.

From: Validity of Weyl fermion picture for transition metals monopnictides TaAs, TaP, NbAs, and NbP from ab initio studies

Fermi velocities

W 1

W 2

TaAs

TaP

NbAs

NbP

TaAs

TaP

NbAs

NbP

v F+x

3.2

3.7

3.0

3.0

2.6

2.0

2.5

1.7

v F−x

−5.3

−5.4

−4.8

−5.1

−4.3

−3.9

−3.2

−2.4

v F+y

3.2

3.6

2.1

2.9

3.5

3.1

2.3

2.0

v F−y

−1.4

−1.5

−1.4

−1.6

−1.8

−2.1

−1.3

−1.7

v F+z

0.2

0.2

0.1

0.0 (3)

4.4

4.2

3.6

4.2

v F−z

−0.2

−0.2

−0.1

−0.0 (3)

−1.6

−1.4

−1.2

−1.4

  1. All values are in 105 m/s.
Back to article page