- the two
sheets of the
surface of
wavevectors collide at a
conoidal point. To be more precise, the
surface of
wavevectors satisfy the
following degree-4...
-
origin for the
wavevectors, the
black spots are
reciprocal lattice points (vectors) and
shown in blue are
three wavevectors. For the
wavevector k 1 {\displaystyle...
- 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...
- the set of all
vectors G m {\displaystyle \mathbf {G} _{m}} , that are
wavevectors of
plane waves in the
Fourier series of a
spatial function whose periodicity...
- (reciprocal lattice)
space that is
related to the crystal's lattice.
Wavevectors outside the
Brillouin zone
simply correspond to
states that are physically...
- (cosine)
waves f(x, t) with
their respective angular frequencies and
wavevectors. f ( x , t ) = cos ( k 1 x − ω 1 t ) + cos ( k 2 x − ω 2 t ) = 2...
- An
electric field affects an
electron by
gradually shifting all the
wavevectors in the wavepacket, and the
electron accelerates when its wave
group velocity...
-
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...
- (cosine)
waves f(x, t) with
their respective angular frequencies and
wavevectors. f ( x , t ) = cos ( k 1 x − ω 1 t ) + cos ( k 2 x − ω 2 t ) = 2...
- sections, are not the same
because the
weightings of
various directions and
wavevectors are different.
These differences are important, for
example in thermoelectric...
