In Figure 9.1, the
function is plotted for a
two-dimensional electron system on a square lattice, characterized by
the energy dispersion 
.
The band is nearly half-filled, 
, corresponding to
band filling of 0.42. The temperature is much less than the Fermi
temperature.
Figure 9.1: The Fermi surface integral 
for a nearly half-filled
tight-binding band.
Determine the peak positions in as a function of 
for small 
.
Laszlo Mihaly
Thu Oct 31 13:23:11 EST 1996
Cover Page
.
