Numerical Study of the Wheatley-Hsu-Anderson Interlayer Tunneling mechanism of High $T_c$ Superconductivity

Abstract

We present results obtained (by exact diagonalization) for the problem of two t-J planes with an interlayer coupling $t_{\perp }$. Our results for small hole concentrations show that in-plane superconducting correlations are enhanced by $t_{\perp }$. When the constraint on double occupancy in the t-J model is relaxed, the enhancement disappears. These results illustrate the inter--layer tunneling mechanism for superconductivity.

11 pages( 4 figures as ps files appended), RevTeX macro. IMSc 92/38

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