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We also illustrate some of their nice properties such as the gauge invariance being retained in discrete approximations and the discrete order parameter having physically consistent pointwise bound.<\/p>","DOI":"10.1090\/s0025-5718-98-00954-5","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T18:14:28Z","timestamp":1027707268000},"page":"965-986","source":"Crossref","is-referenced-by-count":32,"title":["Discrete gauge invariant approximations of a time dependent Ginzburg-Landau model of superconductivity"],"prefix":"10.1090","volume":"67","author":[{"given":"Qiang","family":"Du","sequence":"first","affiliation":[]}],"member":"14","published-online":{"date-parts":[[1998]]},"reference":[{"issue":"1","key":"1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1103\/RevModPhys.56.1","article-title":"Relaxation methods for gauge field equilibrium equations","volume":"56","author":"Adler, Stephen L.","year":"1984","journal-title":"Rev. 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