Abstract
Application of a sufficiently strong parallel magnetic field B ∥> B c produces a soliton-lattice (SL) ground state in a double-layer quantum Hall system. We calculate the ground-state properties of the SL state as a function of B ∥ for total filling factor ν T=1, and obtain the total energy, anisotropic SL stiffness, Kosterlitz–Thouless melting temperature, and SL magnetization. The SL magnetization might be experimentally measurable, and the magnetic susceptibility diverges as | B ∥− B c| −1.
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