25.12.2013 Views

ABSTRACT - DRUM - University of Maryland

ABSTRACT - DRUM - University of Maryland

ABSTRACT - DRUM - University of Maryland

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

where N 1 is the normalization constant determined by the following equation<br />

∫<br />

4π<br />

rdr |u 0 (r)| 2 = 1. (3.9)<br />

Evaluation <strong>of</strong> the integral yields:<br />

N 2 1 =<br />

8<br />

3πk 2 1ξ 4 2F 1 ( 3 2 , 5 2 ; 3; −k2 1ξ 2 )<br />

(3.10)<br />

with its asymptotes given by<br />

⎧<br />

8 ⎪⎨ k<br />

N1 2 3πk1 ∼<br />

2 1 ξ ≪ 1<br />

ξ4 . (3.11)<br />

⎪⎩ k 1<br />

k<br />

2ξ 1 ξ ≫ 1<br />

In the opposite limit ∆ 2 0 > 2mµvF 2 , the solution <strong>of</strong> Eq. (3.7) is given by first<br />

order imaginary Bessel function:<br />

√<br />

χ(r) = N 2 I 1 (r ∆ 2 0/vF 2 − 2mµ). (3.12)<br />

The function I n (r) diverges when r → ∞.<br />

But the radial wave function u 0 (r)<br />

remains bounded as long as µ > 0. This is consistent with the fact that µ = 0<br />

separates topologically trivial phase (µ < 0) and non-Abelian phase (µ > 0) [19].<br />

We now give expressions for N 2 . Explicitly, it is given by<br />

4πN 2 2<br />

∫ ∞<br />

0<br />

rdr I 2 1(k 2 r)e −2r/ξ = 1, (3.13)<br />

where k 2 = √ ∆ 2 0/v 2 F − 2mµ. Since µ > 0, k 2ξ is always smaller than 1. We find N 2<br />

is given by<br />

N 2 2 =<br />

8<br />

3πk 2 2ξ 4 2F 1 ( 3 2 , 5 2 ; 3; k2 2ξ 2 )<br />

(3.14)<br />

52

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!