Collimation effects in quantum point contacts

PHYSICA

Physica B 176 (1992) 334 North-Holland

Erratum

Collimation effects in quantum point contacts R.P. Taylor, A.S. Sachrajda, J.A. Adams, P. Zawadzki, P.T. Coleridge and P. Marshall [Physica B 175 (1991) 243-246]

Figure 3 should contain two extra traces as shown below.

4000

2000 / J

Z

~n

125

~

/

O3 (~9 c~

<

//

1.00 10

~ Y Z

0.5

B~

B2

/

~ ~

TD

~ T R 0.0 000

TLs

~ /

~

~

0.25

B(T)

TI

s ' 0 50

Fig. 3. The calculated normalized values of the transmission coefficients T / N s, conductance 2 G ( B ) / N s and the Hall resistance R . . 0921-4526/92/$05.00 © 1992- Elsevier Science Publishers B.V. All rights reserved