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| VOLUME 58 (1993) | ISSUE 1 |
PAGE 56
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Note on the problem of interacting 1-dimensional hubbaid chains
Anderson P.W.
Pairs or arrays of essentially one-dimensional chains with hopping matrix elements which transfer electrons between chains have been the subject of an extensive and controversial literature, which is quoted most recently in a paper by Yakovenko [1] entitled, appropriately, "Once Again about Interchain Hopping". A previous contribution by me [2] has been widely criticised and even more widely misunderstood, and since some new ideas have appeared which seem to reconcile many of the various approaches it seems appropriate to add another explanatory note.
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![](/ps/289/article_4656_800_head.png "Pairs or arrays of essentially one-dimensional chains with hopping matrix elements which transfer electrons between chains have been the subject of an extensive and controversial literature, which is quoted most recently in a paper by Yakovenko <b>[1] </b>entitled, appropriately, "Once Again about Interchain Hopping". A previous contribution by me <b>[2] </b>has been widely criticised and even more widely misunderstood, and since some new ideas have appeared which seem to reconcile many of the various approaches it seems appropriate to add another explanatory note.")