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Fine-Tuned Universe
A topological superconductor tuned by electronic correlations
2025
A topological superconductor, characterized by either a chiral order parameter or a topological surface state in proximity to bulk superconductivity, is foundational to topological quantum computing. A key open challenge is whether electron-electron interacti…
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Fine-Tuned Universe

Hypothesis about life in the universe

The fine-tuned universe is the hypothesis that, because "life as we know it" could not exist if the constants of nature – such as the electron charge, the gravitational constant and others – had been even slightly different, the universe must be tuned specifically for life. In practice, this hypothesis is formulated in terms of dimensionless physical constants.

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A topological superconductor tuned by electronic correlations
2025
A topological superconductor, characterized by either a chiral order parameter or a topological surface state in proximity to bulk superconductivity, is foundational to topological quantum computing. A key open challenge is whether electron-electron interactions can tune such topological superconducting phases. Here, we provide experimental signatures of a unique topological superconducting phase in competition with electronic correlations in 10-unit-cell thick FeTe<sub>x</sub>Se<sub>1-x</sub> films grown on SrTiO…
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