5 papers · 1 filter
Stabilizer rank bounds for magic-state orbits
Farrokh Labib, Vincent Russo
Distinct Clifford orbits of magic states can exhibit different stabilizer ranks at small tensor powers. We establish this for qutrits, where the single-qutrit Clifford group has fo…
Clifft: Fast Exact Simulation of Near-Clifford Quantum Circuits
Bradley A. Chase, Farrokh Labib
Exact classical simulation of fault-tolerant quantum circuits remains limited by a tradeoff between exponential state vector scaling, exponential -count scaling in stabilizer-ra…
Compressed Sensing for Efficient Fidelity Estimation of GHZ States
Farrokh Labib, David Nicholaeff, Vincent Russo +1
Accurately characterizing multipartite entangled states is a critical challenge in quantum information processing. In this work, we focus on applying compressed sensing techniques…
Towards violations of Local Friendliness with quantum computers
William J. Zeng, Farrokh Labib, Vincent Russo
Local Friendliness (LF) inequalities follow from seemingly reasonable assumptions about reality: (i) ``absoluteness of observed events'' (e.g., every observed event happens for all…
Quantum amplitude estimation from classical signal processing
Farrokh Labib, B. David Clader, Nikitas Stamatopoulos +1
We demonstrate that the problem of amplitude estimation, a core subroutine used in many quantum algorithms, can be mapped directly to a problem in signal processing called directio…