LAUSR

Macroscopic Quantum Tunneling in Superconducting Junctions of β-Ag2Se Topological Insulator Nanowire.

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0 Published in 2017 at "Nano letters"

DOI: 10.1021/acs.nanolett.7b03571

Abstract: We report on the fabrication and electrical transport properties of superconducting junctions made of β-Ag2Se topological insulator (TI) nanowires in contact with Al superconducting electrodes. The temperature dependence of the critical current indicates that the… read more here.

Keywords: superconducting junctions; quantum tunneling; ag2se topological; macroscopic quantum ... See more keywords

Deterministic preparation of highly non-classical macroscopic quantum states

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0 Published in 2017 at "npj Quantum Information"

DOI: 10.1038/s41534-018-0093-z

Abstract: We present a scheme to deterministically prepare non-classical quantum states of a massive mirror including highly non-Gaussian states exhibiting sizeable negativity of the Wigner function. This is achieved by exploiting the non-linear light–matter interaction in… read more here.

Keywords: quantum; physics; non classical; quantum states ... See more keywords

Probing macroscopic quantum superpositions with nanorotors

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0 Published in 2018 at "New Journal of Physics"

DOI: 10.1088/1367-2630/aaece4

Abstract: Whether quantum physics is universally valid is an open question with far-reaching implications. Intense research is therefore invested into testing the quantum superposition principle with ever heavier and more complex objects. Here we propose a… read more here.

Keywords: superpositions nanorotors; quantum; probing macroscopic; quantum superpositions ... See more keywords

Macroscopic Quantum Test with Bulk Acoustic Wave Resonators.

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1 Published in 2022 at "Physical review letters"

DOI: 10.1103/physrevlett.130.133604

Abstract: Recently, solid-state mechanical resonators have become a platform for demonstrating nonclassical behavior of systems involving a truly macroscopic number of particles. Here, we perform the most macroscopic quantum test in a mechanical resonator to date,… read more here.

Keywords: bulk acoustic; quantum test; acoustic wave; macroscopic quantum ... See more keywords

The role of dissipation in macroscopic quantum tunneling and in near-field propagation

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1 Published in 2019 at "Modern Physics Letters B"

DOI: 10.1142/s0217984919501318

Abstract: A stochastic model, which demonstrated to be capable of determining dissipative effects in the microwave circuits loading superconducting devices, is found to be suitable also for analyzing near-field microwave propagation when the wave attenuation is… read more here.

Keywords: propagation; field; near field; macroscopic quantum ... See more keywords