- In physics, a wave
vector (or
wavevector) is a
vector used in
describing a wave, with a
typical unit
being cycle per metre. It has a
magnitude and direction...
- neutron, and x-ray
diffraction which shows the
relationship between: the
wavevector of the
incident and
diffracted beams, the
diffraction angle for a given...
-
Lindhard formula when the
wavevector (the
reciprocal of the length-scale of interest) is much
smaller than the
Fermi wavevector, i.e. the long-distance...
- {\displaystyle \eta _{ab}} .
Closely related to the four-frequency is the four-
wavevector defined by K a = ( ω c , k ) {\displaystyle K^{a}=\left({\frac {\omega...
-
convenient to
consider phonon wavevectors k
which have the
smallest magnitude |k| in
their "family". The set of all such
wavevectors defines the
first Brillouin...
- a
reciprocal lattice point from the
reciprocal lattice origin) is the
wavevector of a
plane wave in the
Fourier series of a
spatial function (e.g., electronic...
-
electrons in that band. The
wavevector takes on any
value inside the
Brillouin zone,
which is a
polyhedron in
wavevector (reciprocal lattice)
space that...
-
common expression for the
group velocity is
obtained by
introducing the
wavevector k: k = 2 π λ . {\displaystyle k={\frac {2\pi }{\lambda }}\ .} We notice...
- an
altermagnet are not
Kramers degenerate, but
instead depend on the
wavevector in a spin-dependent way.
Related to this feature, key
experimental observations...
- =2\pi \mathbf {e} /\lambda } is the
wavevector in the
three dimensional reciprocal space. (The
magnitude of a
wavevector is
called wavenumber.) The constant...
