Quantum 9, 1628 (2025). https://doi.org/10.22331/q-2025-02-11-1628 What does it mean for a causal structure to be `unknown’? Can we even talk about `repetitions’ of an experiment without prior knowledge of causal relations? And under what conditions […]
Quantum 9, 1627 (2025). https://doi.org/10.22331/q-2025-02-10-1627 Recently, the dynamics of quantum systems that involve both unitary evolution and quantum measurements have attracted attention due to the exotic phenomenon of measurement-induced phase transitions. The latter refers to […]
Quantum 9, 1626 (2025). https://doi.org/10.22331/q-2025-02-10-1626 Hamiltonian encoding is a methodology for revealing the mechanism behind the dynamics governing controlled quantum systems. In this paper, following Mitra and Rabitz [9], we define mechanism via pathways of […]
Quantum 9, 1625 (2025). https://doi.org/10.22331/q-2025-02-10-1625 In the ongoing effort towards a scalable quantum computer, multiple technologies have been proposed. Some of them exploit topological materials to process quantum information. In this work, we propose a […]
Quantum 9, 1624 (2025). https://doi.org/10.22331/q-2025-02-06-1624 Hamiltonian simulation is a domain where quantum computers have the potential to outperform their classical counterparts. One of the main challenges of such quantum algorithms is increasing the system size, […]
Quantum 9, 1623 (2025). https://doi.org/10.22331/q-2025-02-06-1623 Topological quantum error correction is a milestone in the scaling roadmap of quantum computers, which targets circuits with trillions of gates that would allow running quantum algorithms for real-world problems. […]
Quantum 9, 1622 (2025). https://doi.org/10.22331/q-2025-02-04-1622 A set of pure quantum states is said to be antidistinguishable if upon sampling one at random, there exists a measurement to perfectly determine some state that was not sampled. […]
Quantum 9, 1621 (2025). https://doi.org/10.22331/q-2025-02-04-1621 A unified theoretical approach to describe the properties of multimode squeezed light generated in a lossy medium is presented. This approach is valid for Markovian environments and includes both a […]
Quantum 9, 1620 (2025). https://doi.org/10.22331/q-2025-02-04-1620 The simulation of many-body open quantum systems is key to solving numerous outstanding problems in physics, chemistry, material science, and in the development of quantum technologies. Near-term quantum computers may […]
Quantum 9, 1619 (2025). https://doi.org/10.22331/q-2025-02-04-1619 The quantum Fisher information (QFI) bounds the sensitivity of a quantum measurement, heralding the conditions for quantum advantages when compared with classical strategies. Here, we calculate analytical expressions for the […]
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