4 papers · 1 filter
Entropy Estimation in Multi-Qutrit Systems via Variational and Classical Neural Networks
Sai Sakunthala Guddanti, Anil Prabhakar, Ria Rushin Joseph
We present a systematic study of von Neumann entropy estimation in multi-qutrit quantum systems using two complementary approaches: variational quantum algorithms (VQAs) and classi…
Cutting Quantum Circuits Beyond Qubits
Manav Seksaria, Anil Prabhakar
We extend quantum circuit cutting to heterogeneous registers comprising mixed-dimensional qudits. By decomposing non-local interactions into tensor products of local generalised Ge…
Estimating shots and variance on noisy quantum circuits
Manav Seksaria, Anil Prabhakar
We present a method for estimating the number of shots required to achieve a desired variance in the results of a quantum circuit. First, we establish a baseline for single-qubit c…
Correcting quantum errors one gradient step at a time
Manav Seksaria, Anil Prabhakar
In this work, we introduce a general, gradient-based method that optimises codewords for a given noise channel and fixed recovery. We do so by differentiating fidelity and descendi…