1. Abrikosov, A. A., L. R Gorkov, and I. E. Dzaloshinski, Methods of Quantum Field Theory in Statistical Physics ( Prentice-Hall, Englewood Cliffs, N.J., 1963 ).
2. Allen, P. B., M. L. Cohen, and D. R. Penn, Phys. Rev. B
38, 2513 (1988).
3. Allen, R B., and B. Mitrovic, in Solid State Physics, Vol. 37, eds. H. Ehrenreich, F. Seitz, and D. Turnbull ( Academic Press, New York, 1982 ), pp. 1–82.
4. Ambegaokar, V., and A. Baratoff, Phys. Rev. Lett.
10, 486 (1962)
5. Ambegaokar, V., and A. Baratoff, Phys. Rev. Lett.
11, 104 (1963).