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Volumn 78, Issue 11, 2008, Pages

Fidelity approach to the Hubbard model

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EID: 51749120730     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.78.115410     Document Type: Article
Times cited : (58)

References (37)
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    • An almost standard route is that of adding an electric/magnetic field and to measure the corresponding stiffness which experiences a jump at the transition (see Ref.).
    • An almost standard route is that of adding an electric/magnetic field and to measure the corresponding stiffness which experiences a jump at the transition (see Ref.).
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    • Note also that both these classes of fermionic systems with different boundary conditions can be mapped onto an interacting systems of hard-core bosons with periodic boundary conditions. This clarifies further why it is possible to compare data obtained with different boundary conditions.
    • Note also that both these classes of fermionic systems with different boundary conditions can be mapped onto an interacting systems of hard-core bosons with periodic boundary conditions. This clarifies further why it is possible to compare data obtained with different boundary conditions.


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