### Gavin E. Crooks

Bespoke research on non-equilibrium thermodynamics, quantum computing, and the physics of information.

Berkeley Institute for Theoretical Science

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## WebLogo 3.7.4 Released

Mayor server upgrade. The old server was getting very old and crufty. WebLogo moved to a shiny new AWS instance, with up to date installations of linux, apac...

## Preprint: Gradients of parameterized quantum gates using the parameter-shift rule and gate decomposition

The parameter-shift rule is an approach to measuring gradients of quantum circuits with respect to their parameters, which does not require ancilla qubits or...

## Tech. Note: Gates, States, and Circuits

Notes on the circuit model of quantum computing. Currently mostly an exposition on the menagerie of quantum gates on 2-qubits.

## Preprint: Fixed-Depth Two-Qubit Circuits and the Monodromy Polytope

For a native gate set which includes all single-qubit gates, we apply results from symplectic geometry to analyze the spaces of two-qubit programs accessible...