…
►In this section we give asymptotic expansions of PCFs for large values of the parameter
that are uniform with
respect to the variable
, when both
and
are real.
…
►where
and
are polynomials in
of
degree
, (
odd),
(
even,
).
…
►and the coefficients
are the product of
and a polynomial in
of
degree
.
…
►The modified expansion (
12.10.31) shares the property of (
12.10.3) that it applies when
uniformly with
respect to
.
…
►where
are given by (
12.10.7), (
12.10.23),
respectively, and
…
…
►His undergraduate and graduate
degrees are from the University of California at Berkeley and Harvard University,
respectively.
…Reinhardt is a frequent visitor
to the NIST Physics Laboratory in Gaithersburg, and
to the Joint Quantum Institute (JQI) and Institute for Physical Sciences and Technology (ISTP) at the University of Maryland.
…
►He has recently carried out research on non-linear dynamics of Bose–Einstein condensates that served
to motivate his interest in elliptic functions.
…
►
…
►In November 2015, Reinhardt was named Senior Associate Editor of the DLMF and Associate Editor for Chapters
20,
22, and
23.
…
►Next, let
be the polynomials defined by
for
, and
…
►where
and
are polynomials of
degree
, with no common zeros.
…
►where
and
are polynomials of
degrees
and
,
respectively, with no common zeros.
…
►where
,
are constants, and
,
are polynomials of
degrees
and
,
respectively, with no common zeros.
…
►For the case
see
Airault (1979) and
Lukaševič (1968).
…
…
►For both
and
the factor
in
Carlson (1995, (2.18)) is changed
to
when the following polynomial of
degree 7 (the same for both) is used instead of its first seven terms:
…Polynomials of still higher
degree can be obtained from (
19.19.5) and (
19.19.7).
…
►As
,
,
, and
converge quadratically
to limits
,
, and
,
respectively; hence
…
►(
19.22.20) reduces
to
if
or
, and (
19.22.19) reduces
to
if
or
.
…
►For computation of Legendre’s integral of the third kind, see
Abramowitz and Stegun (1964, §§17.7 and 17.8, Examples 15, 17, 19, and 20).
…
…
►which in one dimensional systems are typically non-degenerate, namely there is only a single eigenfunction corresponding
to each
,
.
…
is referred
to as the
ground state, all others,
in order of increasing energy being
excited states.
…
►Namely the
th eigenfunction, listed in order of increasing eigenvalues, starting at
, has precisely
nodes, as real zeros of wave-functions away from boundaries are often referred
to.
…
►Orthogonality and normalization of eigenfunctions of this form is
respect to the measure
.
…
►Derivations of (
18.39.42) appear in
Bethe and Salpeter (1957, pp. 12–20), and
Pauling and Wilson (1985, Chapter V and Appendix VII), where the derivations are based on (
18.39.36), and is also the notation of
Piela (2014, §4.7), typifying the common use of the associated Coulomb–Laguerre polynomials in theoretical quantum chemistry.
…