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      Shuai Aris Chen

      Random Walks in the Physics Universe

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  • Supercurrent from a mean-field theory in superconductivity

    Why is supercurrent supercurrent?

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  • Formula reference

    Summarize the common formula

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  • Quantum geometry: a view from the adiabatic theorem

    What is the originality of the quantum geometry? A touch from the adiabatic theorem

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  • Peierls Substitution

    How does gauge field play in a lattice model? Peierls Substitution!

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  • Wanner waves, tight-binding model and quantum geometry

    How to construct a tight-binding model with a periodic potential

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  • Optical theorem

    Optical theorem

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  • Bound state and Bloch wave, Wannier function

    How can the Wannier wave influence a bound state

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  • Introduction to quantum geometry

    ABC about Quantum geometry

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  • Asymptotic expansion

    To get short-range or long-range behaviors of integral

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  • Fermi liquid theory

    Fermi liquid is a classical theory on interacted electron gas

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  • Generalized Inverse

    Generalized inverse, or Moore-Penrose inverse

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  • Eigenstate thermalization hypothesis and many-body localization

    How to reconcile between statistics and the quantum mechanism is always elusive

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  • Lowest Landau level

    How to do projection onto LLL

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