SuperTwist SIGNED

Project "SuperTwist" data sheet

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 Partnership

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 Project objective

It is widely believed that the development of room temperature superconductivity is one of biggest challenges of modern physics and will lead to a technological revolution. However, a detailed understanding of how high temperature superconductivity arises in unconventional superconductors has to this day eluded scientists. This year, in a breakthrough discovery, scientists have found superconductivity in a radically new compound, which has a strikingly similar phenomenology to most unconventional superconductors – “magic” angle bilayer graphene. As graphene crystals are ultra-clean, highly tuneable and its parent state is well understood, I strongly believe that the study of these compounds will cause a long awaited revolution in the comprehension of unconventional superconductivity.

In this project I will uncover the nature of superconductivity in “magic” angle graphene, by experimentally revealing its defining aspect – the superconducting order parameter. While no experimental method alone can definitely define the order parameter and since key experimental techniques are unavailable for these truly nano-scale materials, I will implement a radically new, multidisciplinary approach between material science and the development of disruptive measurement techniques. To achieve this ambitious goal, my truly unique background is essential, which includes van der Waals engineering, quantum transport, microwave engineering and quantum optics. I will employ these versatile skills to (i) develop robust procedures to engineer novel van der Waals hetero-structures of “magic” angle graphene to manipulate its phonons, impurities and magnetic correlations, (ii) perform Josephson interferometry and tunnelling experiments to investigate its macroscopic phase, spin state and excitation spectrum, (iii) develop novel thermal transport and specific heat techniques to investigate the size and nodal structure of its superconducting gap.