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Majumdar, Pinaki and Krishnamurthy, HR (1994) Lattice Contraction Driven Insulator-Metal Transition in the $d =\infty$ Local Approximation. In: Physical Review Letters, 73 (11). pp. 1525-1528.
Majumdar, Pinaki and Krishnamurthy, HR (1995) Reentrant insulator-metal transition in the half-filled Hubbard model. In: Physical Review B: Condensed Matter, 52 (18). R5479-R5482.