FIGURE 12 Drawn platinum wire, 8 nm in diameter. The data in Figure 5 were obtained from a sample made by the same technique but 20 times larger in diameter. From Sacharoff, Westervelt, and Bevk.46 Reprinted with permission.

ACKNOWLEDGMENTS

In the preparation of this chapter, I have received extensive help from R. Westervelt, Z.Tesanovic, and C.Lobb. I have also benefited greatly from suggestions by H.Ehrenreich, W.Skocpol, R.Laibowitz, T.Geballe, J.D. Weeks, M.Kardar, D.R.Nelson, and P.C.Hohenberg. This work was supported in part by the Harvard Materials Research Laboratory and by National Science Foundation grant DMR 85–14638.

NOTES

1.  

For an overall view of current problems in condensed-matter physics, see Physics Through the 1990s: Condensed-Matter Physics (National Academy Press, Washington, D.C., 1986).

2.  

See, for example, M.Schluter and L.J.Sham, Phys. Today 35, 36 (1982); M.L.Cohen, Phys. Scripta T1, 5 (1982); J.Callaway and N.H.March, in Solid State Physics, edited



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