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Charge Transport in Superconductors and Insulators: Barrier Properties and Decoherence Insights

This paper explores the intricate mechanisms of charge transport through the interface between superconductors and hopping insulators. It highlights the significance of barrier properties in facilitating coherent charge transfer while examining the effects of non-Gaussian noise on qubit decoherence in these systems. The analysis includes quantum coherence loss due to fluctuating environments, dendritic flux avalanches in superconducting films, and advances in understanding low-frequency noise sources affecting quantum information processes.

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Charge Transport in Superconductors and Insulators: Barrier Properties and Decoherence Insights

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  1. Coherent charge transport through an interface between a superconductor and hopping insulator: Role of barrier properties M. Kirkengen, J. Bergli, and Y. M. Galperin Phys. Rev. B 74, 195231 (2006) Decoherence of a qubit by non-gaussian noise at an arbitrary working point J. Bergli, Y. M. Galperin, and B. L. Altshuler Phys. Rev. B 74, 024509 (2006) Many electron theory of 1/f noise in hopping conductivity A. L. Burin, B. I. Shklovskii, V. I. Kozub, Y. M. Galperin, and V. Vinokur Phys. Rev. B 74, 075205 (2006) Onset of dendritic flux avalanches in superconducting films D. V. Denisov, D.V. Shantsev, Y. M. Galperin, Eun-Mi Choi, Hyun-Sook Lee, Sung-Ik Lee, A. V. Bobyl, P.E. Goa, A. A. F. Olsen, and T. H. Johansen Phys. Rev. Lett. 97, 077002 (2006) Dendritic and uniform flux jumps in superconducting films D. V. Denisov, A. L. Rakhmanov, D. V. Shantsev, Y. M. Galperin, and T. H. Johansen Phys. Rev. B 73, 014512 (2006) Non-gaussian low-frequency noise as a source of qubit decoherence Y. M. Galperin, B. L. Altshuler, J. Bergli, and D. V. Shantsev. Non-Gaussian low-frequency noise as a source of qubit decoherence Phys. Rev. Lett. 96, 097009 (2006) Charge transfer between a superconductor and a hopping insulator V. I. Kozub, A. A. Zyuzin, Y. M. Galperin, and V. Vinokur Phys. Rev. Lett 96, 107004 (2006) Loss of quantum coherence due to nonstationary glass fluctuations I. Martin and Y. M. Galperin Phys. Rev. B 73, 18020 (2006) Magneto-optical imaging of Magnetic flux patterns in superconducting films with antidots Y. M. Galperin D. V. Shantsev J. I. Vestgården, V. V. Yurchenko, R. Wördenweber and T. H. Johansen. Physica C 437-438, 357 (2006)

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