P.C. Kwok, T.D. Schultz
Physical Review B
No abstract available.
P.C. Kwok, T.D. Schultz
Physical Review B
L.P. Horwitz, D.C. Mattis
Physical Review Letters
T.D. Schultz
Journal of Mathematical Physics
Y. Tomkiewicz, E.M. Engler, et al.
Physical Review Letters