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cond-mat.str-el2005
Toroid Current States in Doped Mott Insulators
Dmitry I. Iudin, Alexander P. Protogenov
The free energy bounds for inhomogeneous current states in doped antiferromagnetic insulators and spatial configurations of spin and charge degrees of freedom in lightly and heavil…
cond-mat.str-el2004
Toroid Current States in Doped Antiferromagnetic Insulators
Igor S. Aranson, Dmitry I. Iudin, Alexander P. Protogenov
This paper has been withdrawn due to a request of the first author to exclude his name from the author list and to motivate sufficiently the appliclication of the used model for an…
cond-mat.str-el2002
Gapless Phase in the XYZ Spin-1/2 Chain in a Magnetic Field and the Quantum ANNNI Chain
Amit Dutta, Diptiman Sen
We study the XYZ spin-1/2 chain placed in a magnetic field pointing along the x-axis. We use bosonization and a renormalization group analysis to show that the model has a non-triv…