3 papers
quant-ph2025
High-Performance Contraction of Quantum Circuits for Riemannian Optimization
Fabian Putterer, Max M. Zumpe, Isabel Nha Minh Le +2
This work focuses on optimizing the gates of a quantum circuit with a given topology to approximate the unitary time evolution governed by a Hamiltonian. Recognizing that unitary m…
quant-ph2024
PyTreeNet: A Python Library for easy Utilisation of Tree Tensor Networks
Richard M. Milbradt, Qunsheng Huang, Christian B. Mendl
In recent years, tree tensor network methods have proven capable of simulating quantum many-body and other high-dimensional systems. This work is a user guide to our Python library…
quant-ph2024
State Diagrams to determine Tree Tensor Network Operators
Richard M. Milbradt, Qunsheng Huang, Christian B. Mendl
This work is concerned with tree tensor network operators (TTNOs) for representing quantum Hamiltonians. We first establish a mathematical framework connecting tree topologies with…