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31 papers · 1 filter
Fermi-Level Pinning and Barrier Height Control at epitaxially grown ferromagnet/ZnO/metal Schottky Interfaces for opto-spintronics applications
Mohamed Belmoubarik
Schottky contacts (SC) at the ferromagnet/ZnO interface are good candidates for the realization and control of several semiconductor emerging magnetic phenomena such spin injection…
Tunable exciton polaritons in band-gap engineered hexagonal boron nitride
Pedro Ninhos, Christos Tserkezis, N. Asger Mortensen +1
We show that hexagonal boron nitride (hBN), a two-dimensional insulator, when subjected to an external superlattice potential forms a new paradigm for electrostatically tunable exc…
Unbounded Sharing of Nonlocality Using Projective Measurements
S. Sasmal, S. Kanjilal, A. K. Pan
It is a common perception that a sharp projective measurement in one side of the Bell experiment destroys the entanglement of the shared state, thereby preventing the demonstration…
Effects of dilution in a 2D topological magnon insulator
Miguel S. Oliveira, T. V. C. Antão, Eduardo V. Castro +1
We study the effect of diluting a two-dimensional ferromagnetic insulator hosting a topological phase in the clean limit. By considering the ferromagnetic Heisenberg model in the h…
Experimental certification of contextuality, coherence and dimension in a programmable universal photonic processor
Taira Giordani, Rafael Wagner, Chiara Esposito +11
Quantum superposition of high-dimensional states enables both computational speed-up and security in cryptographic protocols. However, the exponential complexity of tomographic pro…
Alternative robust ways of witnessing nonclassicality in the simplest scenario
Massy Khoshbin, Lorenzo Catani, Matthew Leifer
In this paper we relate notions of nonclassicality in the simplest nontrivial scenario (a prepare and measure scenario composed of four preparations and two binary-outcome tomograp…