Terms and Conditions

…principles and standards described in this code. Unacceptable behaviour In particular, the code of conduct specifies behaviour that Quantum deems unacceptable, both in interactions with Quantum and in professional life…

Quantum teenagers: the reviews are in!

…back to the authors. Here are our conclusions from the first round of reviews.   The process We worked with a class of about thirty students, organised in groups of…

q-2021-03-29-423.pdf

…input ports of interferometer. Such critical dependence is strikingly reminiscent of the quantum- to-classical transition in systems of identi- cal particles, which sets in when the sys- tem size scales…

q-2020-04-24-257.pdf

…prob- able cause is the insufficient number of experiments nec- essary to perform a reliable QDT of a two-qubit mea- surement (the sample complexity of this problem is defi- nitely…

q-2021-04-15-433.pdf

…in the quantum algorithm for computing short discrete loga- rithms. Designs, Codes and Cryptography, 88(11):2313–2335, 2020. DOI: 10.1007/s10623-020- 00783-2. iacr:2017/1122. [24] M. Eker̊a. Quantum algorithms for computing general discrete logarithms…

q-2021-02-04-393.pdf

…of fun- damental interactions. The present limita- tions of MCMC techniques may be overcome by Hamiltonian-based simulations on classi- cal or quantum devices, which further pro- vide the potential to…

q-2021-03-15-410.pdf

…total con- traction cost, rather than just the leading scal- ing, given by the line-graph tree-width for exam- ple. We also establish a powerful set of simpli- fications for efficiently…

q-2021-04-08-429.pdf

…} where and 1 denote successful 0- and 1-queries, respectively, and and 1 denote unsuccessful 0- and 1-queries, respectively, and (2) a bit b which is set to for a…

q-2020-11-30-368.pdf

…and an identical copy B, evolving via the inverse dynamics U−1B . So for a qudit at site ~n in the A system, there is also a copy qudit from…

q-2021-03-23-418.pdf

…an t- ph ] 1 7 M ar 2 02 1 https://quantum-journal.org/?s=Device-independent%20certification%20of%20tensor%20products%20of%20quantum%20states%20using%20single-copy%20self-testing%20protocols&reason=title-click https://quantum-journal.org/?s=Device-independent%20certification%20of%20tensor%20products%20of%20quantum%20states%20using%20single-copy%20self-testing%20protocols&reason=title-click cols is that they require a number of local mea- surements that increases exponentially with the number…

q-2019-10-24-196.pdf

…we encode the system A into the error-correcting code used in theorem 6. Using this code and localizing each share in the code to its two associated authorized regions would…

q-2021-03-07-403.pdf

…permutations. Journal of the Ameri- can Mathematical Society, 12(4):1119–1178, 1999. doi:https://doi.org/10.1090/ S0894-0347-99-00307-0. [BV97] E. Bernstein and U. Vazirani. Quantum complexity theory. SIAM Jour- nal on Computing, 26(5):1411–1473, 1997. doi:https://doi.org/10.1137/ S0097539796300921….