Geometrically frustrated magnets - Department of Theoretical Physics
Geometrically frustrated magnets - Department of Theoretical Physics
Geometrically frustrated magnets - Department of Theoretical Physics
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Semiclassical spin liquid<br />
0.25<br />
0.2<br />
0.15<br />
0.1<br />
0.05<br />
L=48<br />
2C v /N s<br />
(Tχ(T))/(N s S 2 )<br />
S(q)<br />
0<br />
0<br />
0 1 2 3 4 5 6<br />
-2 -1.5 -1 -0.5 0 0.5 1 1.5 2<br />
2βJ 2<br />
q/π<br />
0.0 1.0 6.0<br />
3.5<br />
3<br />
2.5<br />
2<br />
1.5<br />
1<br />
0.5<br />
(q,q) Cut<br />
L=60, βJ 2 =0.0<br />
L=60, βJ 2 =3.0<br />
L=48, βJ 2 =0.0<br />
L=48, βJ 2 =3.0<br />
System remains a spin liquid down to very low<br />
temperatures.<br />
Very different short-ranged correlations from classical Ising<br />
model.<br />
Arnab Sen, TIFR<br />
<strong>Geometrically</strong> <strong>frustrated</strong> <strong>magnets</strong>
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