Theory Seminar: A passive self-correcting quantum memory in three dimensions

Shankar Balasubramanian
Caltech
Quantum Info & Computing Seminar, at the Theory Seminar Room
Tuesday, February 17, 17:00 CET

We construct a 3D Pauli stabilizer Hamiltonian whose ground state space can encode a qubit for exponential time when coupled to a bath at non-zero temperature.  Our construction consists of several steps that recursively generate a cochain complex and embed it in R^3.