Zachary Stegen
Florida State University
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Featured researches published by Zachary Stegen.
Science | 2018
P. Giraldo-Gallo; J. A. Galvis; Zachary Stegen; K. A. Modic; Fedor Balakirev; J. B. Betts; X. Lian; C. Moir; Scott Riggs; J. Wu; A. T. Bollinger; X. He; I. Božović; B. J. Ramshaw; Ross D. McDonald; Greg Boebinger; Arkady Shekhter
Cranking up the field Cuprate superconductors have many unusual properties even in the “normal” (nonsuperconducting) regions of their phase diagram. In the so-called “strange metal” phase, these materials have resistivity that scales linearly with temperature, in contrast to the usual quadratic dependence of ordinary metals. Giraldo-Gallo et al. now find that at very high magnetic fields—up to 80 tesla—the resistivity of the thin films of a lanthanum-based cuprate scales linearly with magnetic field as well, again in contrast to the expected quadratic law. This dual linear dependence presents a challenge for theories of the normal state of the cuprates. Science, this issue p. 479 At high magnetic fields up to 80 tesla, the resistivity of a thin-film La-based cuprate scales linearly with the field. The anomalous metallic state in the high-temperature superconducting cuprates is masked by superconductivity near a quantum critical point. Applying high magnetic fields to suppress superconductivity has enabled detailed studies of the normal state, yet the direct effect of strong magnetic fields on the metallic state is poorly understood. We report the high-field magnetoresistance of thin-film La2–xSrxCuO4 cuprate in the vicinity of the critical doping, 0.161 ≤ p ≤ 0.190. We find that the metallic state exposed by suppressing superconductivity is characterized by magnetoresistance that is linear in magnetic fields up to 80 tesla. The magnitude of the linear-in-field resistivity mirrors the magnitude and doping evolution of the well-known linear-in-temperature resistivity that has been associated with quantum criticality in high-temperature superconductors.
Physical Review B | 2009
Scott Riggs; Jonathon Kemper; Y. J. Jo; Zachary Stegen; L. Balicas; G. S. Boebinger; Fedor Balakirev; Albert Migliori; H. Chen; R. H. Liu; X. H. Chen
Physical Review Letters | 2008
Fedor Balakirev; Scott Riggs; Jonathon Kemper; Y. J. Jo; Zachary Stegen; L. Balicas; Greg Boebinger; H. Chen; R. H. Liu; X. H. Chen
Journal of Physics: Condensed Matter | 2009
Scott Riggs; Ross D. McDonald; Jonathon Kemper; Zachary Stegen; G. S. Boebinger; Fedor Balakirev; Y. Kohama; Albert Migliori; Hou-Tong Chen; R H Liu; X. H. Chen
Bulletin of the American Physical Society | 2017
Zachary Stegen; Daniel Queen; Matt Legro; John Pryzbyz; Sunny Bagga
Bulletin of the American Physical Society | 2017
Arkady Shekhter; Paula Giraldo Gallo; Jose Augusto Galvis Echeverri; Zachary Stegen; Kimberly Modic; Fedor Balakirev; Jonathan B. Betts; Xiujun Lian; camila Moir; Scott Riggs; Xi He; J. Wu; A. T. Bollinger; Ivan Bozovic; B. J. Ramshaw; Ross D. McDonald; Greg Boebinger
Bulletin of the American Physical Society | 2016
Jose A. Galvis; Paula Giraldo-Gallo; Scott Riggs; Zachary Stegen; B. J. Ramshaw; Kimberly Modic; Ross D. McDonald; Ivan Bozovic; Arkady Shekhter; Greg Boebinger
Archive | 2014
Mark Wartenbe; Zachary Stegen; Ross D. McDonald; Fedor Balakirev
Bulletin of the American Physical Society | 2014
Zachary Stegen; Greg Boebinger; Fedor Balakirev; Albert Migliori; J. Wu; Ivan Bozovic
Bulletin of the American Physical Society | 2013
Zachary Stegen; Greg Boebinger; J. Wu; Ivan Bozovic; Fedor Balakirev; Albert Migliori