摘要
A Robertson-Walker geometry with nonnuniinal coupled scalar Held has been quantized by the ca.nonical formulation fdz constrained Ha,iniltonia.n systems.The exact solutions have been found for corresponding Wheeler-DeWitt equation.These so-lutions sa.tisfy the needs of Hawkingboundary condition for the wormhole wave function.Thus they can provide a quantuni-mechanical description of wormholes in a theory with a nonminimal coupled scalar field.The characteristic scale of the ground state of the worinhole is of the order of Planck length.