<s>
The	O
Anderson	B-Algorithm
impurity	I-Algorithm
model	I-Algorithm
,	O
named	O
after	O
Philip	O
Warren	O
Anderson	O
,	O
is	O
a	O
Hamiltonian	O
that	O
is	O
used	O
to	O
describe	O
magnetic	O
impurities	O
embedded	O
in	O
metals	O
.	O
</s>
