3 ms·
there is a paper on arxiv.org which may shed some light: https://arxiv.org/pdf/2105.12466.pdf https://arxiv.org/pdf/2105.12466.pdf
by wolfi1 3y ago
there is a paper on arxiv.org which may shed some light: https://arxiv.org/pdf/2105.12466.pdf https://arxiv.org/pdf/2105.12466.pdf
- gus_massa 3y agoNot too much light :( , but let's try again: It looks like a previous work. It looks like it's a single qubit going from 0 to 1. Charger 1 is connected using the Pauli matrix σx and Charger 2 is connected using the Pauli matrix σy. σx and σy does not conmute, so using the chargers in different order get a different result. From the preprint: > A quantum switch that realizes indefinite causal order admits higher-order processes where a control qubit plays the role of determining the order of occurrence of C1 and C2. Depending on the control qubit’s initial state, infinitely many configurations become possible, e.g., when the control qubit is prepared in a coherently balanced state, the battery undergoes the charging dynamics determined by C1C2 and C2C1 in a balanced superposition. A measurement will be performed on the control qubit following the dynamical evolutions of the target system. It looks like standard superposition with strange names. IIUC they make measurements and repeat the operation, and that increase the probability that the final state of the qubit is 1. This second part may be interesting, but the unusual names make me decide to forget it.