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Real-space patterns for charge density (upper row) and spin density (lower row) in the quarter-filled Hubbard-Holstein model. [Sanjeev Kumar and Jeroen van den Brink, Phys. Rev. B 78, 155123 (2008)] |
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Real-space patterns for charge density (upper row) and spin density (lower row) in the quarter-filled Hubbard-Holstein model. [Sanjeev Kumar and Jeroen van den Brink, Phys. Rev. B 78, 155123 (2008)] |