Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"superconducting dome"”.
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Emergence of charge density wave domain walls above the superconducting dome in TiSe2
… a Lifshitz tricritical point somewhere above the superconducting dome. Our study suggests that SC in 1T-TiSe2 may not be directly connected to the QCP of the CDW order, but to the formation of CDW domain walls.
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Quantum simulations on square and triangular Hubbard models
… thesis we try to understand the unconventional superconducting mechanism on cuprates and organic superconductors (or sodium cobaltates) which can be modeled by a two-dimensional square- and triangular-lattice Hubbard model respectively. The formation of the superconducting dome requires …
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Power-law liquid in high-temperature superconductors
… of a power-law liquid leads to the cuprates' superconducting dome, vanishing Fermi velocity, and diverging effective mass. We propose that a power-law liquid can arise from the presence of a scale-invariant sector known as unparticles. To extend the power-law liquid framework to include the …
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Pairing symmetry, competing orders, and quantum criticality in iron based superconductors via London penetration depth measurements
… samples was consistent with a fully gapped superconducting state with a minimum energy gap Δ{min}/k^B T^C≈ 1. At very high levels of heavy ion irradiation (a column-column separation of 10 nm) a T^2 power law was observed below T^C/3, most likely due to elevated scattering. Neither the …
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Big data, bigger magnets, and tiny high-temperature superconducting cuprates
… has a large overlap with the high-temperature superconducting dome. In this region and on its periphery there are non-ohmic, quantum critical, and phase competition behaviours. To explore and disentangle these various effects, many high-field measurements have been taken over a range of …
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Superconductivity in the proximity of a quantum critical point
… to quantum critical fluctuations, along with a superconducting transition which appears in the electrical resistivity beneath a critical temperature of T_c ~ 1.7 K. Using low temperature DC magnetisation measurements, we show that this is a bulk effect, and that the superconductivity in YFe2Ge2 …
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Collective modes in strongly correlated electron systems measured with momentum-resolved electron energy-loss spectroscopy
… may be key to understanding the nature of the superconducting state. The dispersions of the electron bands in Sr2RuO4 do show strong interaction effects in the form of anomalies known as ""kinks."" Measuring Sr2RuO4 with M-EELS reveals two collective modes at the same energies as the kinks. The …