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Title: Quantum metamaterials: electromagnetic waves in a Josephson qubit line
Authors: Rakhmanov, Alexander L.
Zagoskin, Alexandre M.
Savel'ev, Sergey
Nori, Franco
Issue Date: 2008
Publisher: © The American Physical Society
Citation: RAKHMANOV, A.L. ... et al, 2008. Quantum metamaterials: electromagnetic waves in a Josephson qubit line. Physical Review B, 77 (14), 144507.
Abstract: We consider the propagation of a classical electromagnetic wave through a transmission line, formed by identical superconducting charge qubits inside a superconducting resonator. Since the qubits can be in a coherent superposition of quantum states, we show that such a system demonstrates interesting effects, such as a “breathing” photonic crystal with an oscillating band gap and a “quantum Archimedean screw” that transports, at an arbitrary controlled velocity, Josephson plasma waves through a transmission line. The key ingredient of these effects is that the optical properties of the Josephson transmission line are controlled by the quantum coherent state of the qubits.
Description: This article was published in the journal, Physical Review B [© The American Physical Society]. It is also available at: http://dx.doi.org/10.1103/PhysRevB.77.144507
Version: Published
DOI: 10.1103/PhysRevB.77.144507
URI: https://dspace.lboro.ac.uk/2134/12797
Publisher Link: http://dx.doi.org/10.1103/PhysRevB.77.144507
ISSN: 1098-0121
Appears in Collections:Published Articles (Physics)

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