# Strange metal in magic-angle graphene with near Planckian dissipation

## TL;DR

This paper demonstrates that magic-angle twisted bilayer graphene exhibits strange metal behavior characterized by linear temperature-dependent resistivity and a near-Planckian scattering rate, providing a tunable platform for studying correlated quantum phases.

## Contribution

It reveals the presence of strange metal behavior in magic-angle graphene, with a universal scattering rate near the Planckian limit, expanding understanding of correlated electron systems.

## Key findings

- Observation of T-linear resistivity above a crossover temperature
- Extraction of a universal near-Planckian scattering rate
- Magic-angle graphene as a platform for studying strange metals

## Abstract

Recent experiments on magic-angle twisted bilayer graphene have discovered correlated insulating behavior and superconductivity at a fractional filling of an isolated narrow band. In this paper we show that magic-angle bilayer graphene exhibits another hallmark of strongly correlated systems --- a broad regime of $T-$linear resistivity above a small, density dependent, crossover temperature--- for a range of fillings near the correlated insulator. We also extract a transport "scattering rate", which satisfies a near Planckian form that is universally related to the ratio of $(k_BT/\hbar)$. Our results establish magic-angle bilayer graphene as a highly tunable platform to investigate strange metal behavior, which could shed light on this mysterious ubiquitous phase of correlated matter.