A
Aaron Chronister
Researcher at University of California, Los Angeles
Publications - 5
Citations - 664
Aaron Chronister is an academic researcher from University of California, Los Angeles. The author has contributed to research in topics: Spin polarization & Superconductivity. The author has an hindex of 4, co-authored 4 publications receiving 450 citations.
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Journal ArticleDOI
Constraints on the superconducting order parameter in Sr2RuO4 from oxygen-17 nuclear magnetic resonance
Andrej Pustogow,Yi Luo,Yi Luo,Aaron Chronister,Yue-Shun Su,Dmitry A. Sokolov,Fabian Jerzembeck,Andrew P. Mackenzie,Andrew P. Mackenzie,Clifford W. Hicks,Naoki Kikugawa,Srinivas Raghu,Eve Bauer,Stuart Brown +13 more
TL;DR: NMR spectroscopy of oxygen-17 reveals a drop of the Knight shift in the superconducting state, contradicting previous work and imposing tight constraints on the order parameter symmetry of the system.
Journal ArticleDOI
Pronounced drop of $^{17}$O NMR Knight shift in superconducting state of Sr$_2$RuO$_4$.
Andrej Pustogow,Yongkang Luo,Aaron Chronister,Yue-Shun Su,Dmitry A. Sokolov,Fabian Jerzembeck,Andrew P. Mackenzie,Clifford W. Hicks,Naoki Kikugawa,Srinivas Raghu,Eve Bauer,Stuart Brown +11 more
TL;DR: In this paper, a reduction of Knight shifts was observed for all strain values and temperatures, consistent with a drop in spin polarization in the superconducting state in the quasi-two-dimensional and strongly correlated Sr$_2$RuO$_4$.
Journal Article
Constraints on the superconducting order parameter in Sr 2 RuO 4 from oxygen-17 nuclear magnetic resonance
Andrej Pustogow,Yongkang Luo,Aaron Chronister,Yue-Shun Su,Dmitry A. Sokolov,Fabian Jerzembeck,Andrew P. Mackenzie,Clifford W. Hicks,Naoki Kikugawa,Srinivas Raghu,Eric D. Bauer,Stuart Brown +11 more
TL;DR: In this paper, the authors used nuclear magnetic resonance (NMR) spectroscopy of oxygen-17, which is directly sensitive to the order parameter via hyperfine coupling to the electronic spin degrees of freedom, to probe the nature of superconductivity and its evolution under strain.
Journal ArticleDOI
Evidence for even parity unconventional superconductivity in Sr2RuO4.
Aaron Chronister,Andrej Pustogow,Naoki Kikugawa,Dmitry A. Sokolov,Fabian Jerzembeck,Clifford W. Hicks,Clifford W. Hicks,Andrew P. Mackenzie,Andrew P. Mackenzie,Eric D. Bauer,Stuart Brown +10 more
TL;DR: Establishing the condensate magnetic susceptibility reveals a sharp distinction between even- parity (singlet) and odd-parity (triplet) pairing since the superconducting condensates is magnetically polarizable only in the latter case.
Journal ArticleDOI
Upper critical field of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Sr</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>RuO</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math> under in-plane uniaxial pressure
Fabian Jerzembeck,Alexander Steppke,Andrej Pustogow,Yongkang Luo,Aaron Chronister,Dmitry A. Sokolov,Naoki Kikugawa,You-Sheng Li,Michael Nicklas,Stuart E. Brown,Andrew P. Mackenzie,Clifford W. Hicks +11 more
TL;DR: In this article , the in-plane and out-of-plane upper critical fields of the superconducting state of Sr2RuO4 were analyzed and the strain dependence of the upper critical field was shown.