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quant-ph2026
Efficient targeting of arbitrary excited states with quantum inverse power iteration through filtering polynomials
Srushti Patil, Nina Glaser
In this work, we introduce a quantum inverse power iteration (QIPI) algorithm based on the quantum singular value transformation (QSVT) to target arbitrary excited states. Given an…
quant-ph2026
Quantum simulation of nanographenes and Trotter error cancellation
Andreas Juul Bay-Smidt, Nina Glaser, Marcel D. Fabian +3
Fault-tolerant quantum computing is a promising tool for simulating molecules and materials, but frequently-considered applications require substantial resources, and the gap betwe…
quant-ph2025
Quantum block Krylov subspace projector algorithm for computing low-lying eigenenergies
Maria Gabriela Jordão Oliveira, Nina Glaser
Computing eigenvalues is a computationally intensive task central to numerous applications in the natural sciences. Toward this end, we investigate the quantum block Krylov subspac…