Quantum circuits—built from local unitary gates and local measurements—are a new
playground for quantum many-body physics and a tractable setting to explore universal …

Variational quantum algorithms are promising algorithms for achieving quantum advantage
on near-term devices. The quantum hardware is used to implement a variational wave …

Random quantum circuits yield minimally structured models for chaotic quantum dynamics,
which are able to capture, for example, universal properties of entanglement growth. We …

We define dynamical universality classes for many-body systems whose unitary evolution is
punctuated by projective measurements. In cases where such measurements occur …

A critical question for quantum computing in the near future is whether quantum devices
without error correction can perform a well-defined computational task beyond the …

Characterizing how entanglement grows with time in a many-body system, for example, after
a quantum quench, is a key problem in nonequilibrium quantum physics. We study this …

Quantum information theory is a branch of science at the frontier of physics, mathematics,
and information science, and offers a variety of solutions that are impossible using classical …

We prove that local random quantum circuits acting on n qubits composed of O (t 10 n 2)
many nearest neighbor two-qubit gates form an approximate unitary t-design. Previously it …

A central question of quantum computing is determining the source of the advantage of
quantum computation over classical computation. Even though simulating quantum …

Given a universal gate set on two qubits, it is well known that applying random gates from
the set to random pairs of qubits will eventually yield an approximately Haar-distributed …