Free-parafermionic Z(N) and free-fermionic XY quantum chains.
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DOI: 10.1103/physreve.104.054121
Abstract: The relationship between the eigenspectrum of Ising and XY quantum chains is well known. Although the Ising model has a Z(2) symmetry and the XY model a U(1) symmetry, both models are described in terms… read more here.
Keywords: jordan wigner; model symmetry; free fermionic; quantum chains ... See more keywords