597 research outputs found

    Geometric phase and gauge theory structure in quantum computing

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    We discuss the presence of a geometrical phase in the evolution of a qubit state and its gauge structure. The time evolution operator is found to be the free energy operator, rather than the Hamiltonian operator.Comment: 5 pages, presented at Fifth International Workshop DICE2010: Space-Time-Matter - current issues in quantum mechanics and beyond, Castiglioncello (Tuscany), September 13-17, 201

    Self-reported sexual engagement among a sample of people who regularly use ecstasy and/or other illicit stimulants in Australia, 2023

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    Trends in cocaine use in Tasmania, 2003-2021

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    Use of non-prescribed pharmaceutical opioids among a sample of people who regularly inject drugs in Australia, 2000-23

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    Needle and syringe programs: hubs for brief interventions. Tasmanian Needle and Syringe Program Data 2021 & 2022.

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