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Quantum null-hypothesis device-independent Schmidt rank witness
Josep Batle, Tomasz Białecki, Tomasz Rybotycki +2
We investigate the dimensionality of bipartite quantum systems by construction of a device-independent null witness test. This test assesses whether a given bipartite state conform…
Tangent fermions: Dirac or Majorana fermions on a lattice without fermion doubling
C. W. J. Beenakker, A. Donis Vela, G. Lemut +2
I. Introduction II. Two-dimensional lattice fermions III. Methods to avoid fermion doubling (sine dispersion, sine plus cosine dispersion, staggered lattice dispersion, linear sawt…
Precise certification of a qubit space
Tomasz Białecki, Tomasz Rybotycki, Josep Batle +2
We demonstrate an implementation of the precise test of dimension on the qubit, using the public IBM quantum computer, using the determinant dimension witness. The accuracy is belo…