Quantum 8, 1322 (2024). https://doi.org/10.22331/q-2024-04-30-1322 Pricing financial derivatives on quantum computers typically includes quantum arithmetic components which contribute heavily to the quantum resources required by the corresponding circuits. In this manuscript, we introduce a method […]
Quantum 8, 1321 (2024). https://doi.org/10.22331/q-2024-04-30-1321 We construct a new family of permutationally invariant codes that correct $t$ Pauli errors for any $tge 1$. We also show that codes in the new family correct quantum deletion […]
Quantum 8, 1320 (2024). https://doi.org/10.22331/q-2024-04-30-1320 We study the problem of approximating a quantum channel by one with as few Kraus operators as possible (in the sense that, for any input state, the output states of […]
Quantum 8, 1319 (2024). https://doi.org/10.22331/q-2024-04-30-1319 Estimating physical properties of quantum states from measurements is one of the most fundamental tasks in quantum science. In this work, we identify conditions on states under which it is […]
Quantum 8, 1318 (2024). https://doi.org/10.22331/q-2024-04-30-1318 A set of $k$ orthonormal bases of $mathbb C^d$ is called mutually unbiased if $|langle e,frangle |^2 = 1/d$ whenever $e$ and $f$ are basis vectors in distinct bases. A […]
Quantum 8, 1317 (2024). https://doi.org/10.22331/q-2024-04-30-1317 Accelerated light has been demonstrated with laser light and diffraction. Within the diffracting field it is possible to identify a portion that carries most of the beam energy, which propagates […]
In 2024 Quantum will celebrate 7 years since the first publications! From that first batch of papers, the journal grew to over 1300 published articles. This growth was made possible by our incredible team of […]
Quantum 8, 1316 (2024). https://doi.org/10.22331/q-2024-04-09-1316 This work proposes double-bracket iterations as a framework for obtaining diagonalizing quantum circuits. Their implementation on a quantum computer consists of interlacing evolutions generated by the input Hamiltonian with diagonal […]
Quantum 8, 1315 (2024). https://doi.org/10.22331/q-2024-04-09-1315 We analyze utility of communication channels in absence of any short of quantum or classical correlation shared between the sender and the receiver. To this aim, we propose a class […]
Quantum 8, 1314 (2024). https://doi.org/10.22331/q-2024-04-09-1314 The quantum rate-distortion function plays a fundamental role in quantum information theory, however there is currently no practical algorithm which can efficiently compute this function to high accuracy for moderate […]
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