Biomedical subjects
CM Varma
Publications and source records attributed to CM Varma.
Ferromagnetism in doped excitonic insulators
The theory of doped excitonic insulators is reinvestigated in light of recent experiments on hexaborides. For the appropriate valley-degenerate X3,X'3 band structure, "intravalley" condensation is energetically favored. Ferromagnetism occurs upon doping due to the quenching of kinetic energy at the otherwise direct first-order excitonic insulator-metal transition. The phase diagram includes states of spatially inhomogeneous density and magnetization at low temperatures.
NMR in Copper-Oxide Metals.
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Low-Temperature Upper-Critical-Field Anomalies in Clean Superconductors.
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Electronic and magnetic states in the giant magnetoresistive compounds.
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Hall effect and magnetoresistance in copper oxide metals.
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Theory of copper-oxide metals.
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Pairing fluctuations in a one-dimensional copper oxide model.
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Aspects of strongly correlated insulators.
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Correlated state of double layers of electron fluids.
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Theory of the marginal-Fermi-liquid spectrum and pairing in a local copper oxide model.
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Non-Fermi-liquid states of a magnetic ion in a metal: Particle-hole symmetric case.
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Theory of the non-Fermi-liquid transition point in the two-impurity Kondo model.
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Singular low energy properties of an impurity model with finite range interactions.
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Non-Fermi-liquid states of a magnetic ion in a metal.
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Flux quantization and pairing in one-dimensional copper-oxide models.
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Charge correlations in a two-band Hubbard model: Exact results for zero-bandwidth CuO chains.
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Phenomenology of the superconductive state of a marginal Fermi liquid.
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