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Error Threshold of SYK Codes from Strong-to-Weak Parity Symmetry Breaking
Jaewon Kim, Ehud Altman, Jong Yeon Lee
Quantum error correction (QEC) codes are fundamentally linked to quantum phases of matter: the degenerate ground state manifold corresponds to the code space, while topological exc…
Computational Phase Transitions in Two-Dimensional Antiferromagnetic Melting
Zack Weinstein, Jalal Abu Ahmad, Daniel Podolsky +1
A computational phase transition in a classical or quantum system is a non-analytic change in behavior of an order parameter which can only be observed with the assistance of a non…
Linear Magnetoresistance from Glassy Orders
Jaewon Kim, Ehud Altman, Shubhayu Chatterjee
Several strongly correlated metals display B-linear magnetoresistance (LMR) with a universal slope, in sharp contrast to the scaling predicted by Fermi liquid theory. We prov…
Theory of a Strange Metal in a Quantum Superconductor to Metal Transition
Jaewon Kim, Erez Berg, Ehud Altman
Recent experiments with nanopatterned thin films revealed an unusual quantum superconductor to metal phase transition (QSMT) with a linear in temperature resistivity. In contrast,…