5 papers
Quantum observers can communicate across multiverse branches
Maria Violaris
It is commonly thought that observers in distinct branches of an Everettian multiverse cannot communicate without violating the linearity of quantum theory. Here we show a countere…
Developments in superconducting erasure qubits for hardware-efficient quantum error correction
Maria Violaris, Luciana Henaut, James Wills +3
Quantum computers are inherently noisy, and a crucial challenge for achieving large-scale, fault-tolerant quantum computing is to implement quantum error correction. A promising di…
Entangling Disciplines: Causality, Entropy and Time-Travel Paradoxes on a Quantum Computer
Maria Violaris
Merging disciplines has led to incredible learnings and breakthroughs throughout history, including the discovery of quantum computing: a cross between computation and quantum phys…
Counterfactuals in Macroscopic Quantum Physics: Irreversibility, Measurement and Locality
Maria Violaris
Can quantum theory be applied on all scales? While there are many arguments for the universality of quantum theory, this question remains a subject of debate. It is unknown how far…
Universal quantum theory contains twisted logic
Francesco Atzori, Enrico Rebufello, Maria Violaris +9
Quantum theory is notoriously counterintuitive, and yet remains entirely self-consistent when applied universally. Here we uncover a new manifestation of its unusual consequences.…