Abstract
We study the dynamic process of homogeneous quantum phase slippage in bulk charge-density-wave systems. A topological singularity, namely, a ``vortex shell'' in 3+1 dimensions is proposed as a trial wave function of the saddle-point field. The quantum tunneling rate is roughly \ensuremath{\Gamma}\ensuremath{\sim}exp(-const/${\mathrm{\ensuremath{\varepsilon}}}^{2}$) as a function of applied electric field \ensuremath{\varepsilon}. The physics is qualitatively different from previous works.
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