Author

Phillip C. Lotshaw

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Preprint Sep 2026

Warm-Start Iterative QITE for Distribution Network Reconfiguration via Branch-Exchange Encoding

We present a hybrid quantum-classical algorithm for distribution network reconfiguration, a combinatorial optimization problem on power distribution networks, that combines a radiality preserving branch-exchange encoding with iterative warm-start quantum imaginary-time evolution to minimize active line losses. The enco...

Noah A. Crum, Pete Pritchard, T. Rase et al. · 0 citations

Preprint Sep 2026

Two-Stage Quantum-Classical Distribution Network Reconfiguration via Cycle-Edge Encoding

Distribution network reconfiguration (DNR) is a combinatorial optimization problem that seeks a low-loss network topology subject to topological and electrical operating constraints. In this work, we propose a two-stage quantum-classical method for DNR. First, an iterative linear-ramp Quantum Alternating Operator Ansat...

Nowar Alashkar, C. Kennedy, Phillip C. Lotshaw et al. · 0 citations

Preprint Jul 2026

Probing two-spin entanglement at quantum criticality on a quantum processor

Quantum phase transitions in many-body systems give rise to highly entangled states, and understanding their quantum correlations is crucial for characterizing quantum materials. However, traditional entanglement measures such as entanglement entropy are difficult to interpret for noisy or mixed states and require comp...

Anshumitra Baul, Xiao Xiao, Phillip C. Lotshaw · 1 citation