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Volumn 78, Issue 6, 2008, Pages

Symmetry of superconducting states with two orbitals on a tetragonal lattice: Application to LaFeAsO1-x Fx

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Indexed keywords


EID: 50449103543     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.78.064514     Document Type: Article
Times cited : (36)

References (38)
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    • If the lattice undergoes a structural transition, e.g., the transition from tetragonal (P4/nmm) to monoclinic (P112/n) in the parent compound LaFeAsO, lattice symmetry will be reduced and thereby the pairing states within each representation of D4 will be further splitted by energy. However, Pspace, Pspin, and Porbital considered in this paper are still good quantum numbers. Moreover, when the monoclinic distortion to tetragonal phase is small as in practice (Ref.), our study is a good approximation to such a monoclinic lattice.
    • If the lattice undergoes a structural transition, e.g., the transition from tetragonal (P4/nmm) to monoclinic (P112/n) in the parent compound LaFeAsO, lattice symmetry will be reduced and thereby the pairing states within each representation of D4 will be further splitted by energy. However, Pspace, Pspin, and Porbital considered in this paper are still good quantum numbers. Moreover, when the monoclinic distortion to tetragonal phase is small as in practice (Ref.), our study is a good approximation to such a monoclinic lattice.
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