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110 papers · 1 filter
High-fidelity CNOT gate for spin qubits with asymmetric driving using virtual gates
Irina Heinz, Guido Burkard
Recent experiments have demonstrated two-qubit fidelities above 99%, however, theoretically, the fidelity of CNOT operations is limited by off-resonant driving described by off-dia…
Gram Spectrahedra of Ternary Quartics
Julian Vill
The Gram spectrahedron of a real form parametrizes all sum of squares representations of . It is a compact, convex, semi-algebraic set, and…
Semiconductor Spin Qubits
Guido Burkard, Thaddeus D. Ladd, John M. Nichol +2
The spin degree of freedom of an electron or a nucleus is one of the most basic properties of nature and functions as an excellent qubit, as it provides a natural two-level system…
Identification of Biased Terms in News Articles by Comparison of Outlet-specific Word Embeddings
Timo Spinde, Lada Rudnitckaia, Felix Hamborg +1
Slanted news coverage, also called media bias, can heavily influence how news consumers interpret and react to the news. To automatically identify biased language, we present an ex…
Relational hyperevent models for polyadic interaction networks
Jürgen Lerner, Alessandro Lomi
Polyadic, or "multicast" social interaction networks arise when one sender addresses multiple receivers simultaneously. Currently available relational event models (REM) are not we…
Spontaneous anomalous Hall effect arising from an unconventional compensated magnetic phase in a semiconductor
R. D. Gonzalez Betancourt, J. Zubáč, R. J. Gonzalez-Hernandez +12
The anomalous Hall effect, commonly observed in metallic magnets, has been established to originate from the time-reversal symmetry breaking by an internal macroscopic magnetizatio…