Journal
PHYSICAL REVIEW LETTERS
Volume 102, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.186401
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Funding
- CIFAR
- CRC
- NSERC of Canada
- Sloan Foundation
- Ontario ERA
- NSF [DMR-0705255]
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We study a bandwidth controlled Mott metal-insulator transition (MIT) from a Fermi-liquid metal to a quantum spin-liquid insulator in three dimensions. Using a slave rotor approach including gauge fluctuations, we obtain a continuous MIT and discuss finite temperature crossovers in its vicinity. We show that the specific heat C similar to Tlnln(1/T) at the MIT and that the metallic state near the MIT should exhibit a conductivity minimum as a function of temperature. We suggest Na4Ir3O8 as a candidate to test our predictions and compute its electron spectral function at the MIT.
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