Superconductivity

Authors and titles for cond-mat.supr-con in Apr 2024

[1]  arXiv:2404.00719 [pdf, ps, other]

Title: Revealing Symmetry-broken Superconducting Configurations by Density Functional Theory

Authors: Zi-Kui Liu, Shun-Li Shang

Subjects: Superconductivity (cond-mat.supr-con); Computational Physics (physics.comp-ph); Quantum Physics (quant-ph)

[2]  arXiv:2404.00963 [pdf, other]

Title: Inversion and Tunability of Van Hove Singularities in $A$V$_{3}$Sb$_{5}$ ($A$ = K, Rb, and Cs) kagome metals

Authors: Sangjun Sim, Min Yong Jeong, Hyunggeun Lee, Dong Hyun David Lee, Myung Joon Han

Comments: Physical Chemistry Chemical Physics (PCCP) in press

Subjects: Superconductivity (cond-mat.supr-con); Strongly Correlated Electrons (cond-mat.str-el)

[3]  arXiv:2404.01117 [pdf, other]

Title: Variational approach for the two-body problem in a multiband extended-Hubbard model

Authors: M. Iskin

Comments: 5 pages with 2 figures

Subjects: Superconductivity (cond-mat.supr-con); Quantum Gases (cond-mat.quant-gas); Strongly Correlated Electrons (cond-mat.str-el)

[4]  arXiv:2404.01373 [pdf, other]

Title: Josephson effect in a fractal geometry

Authors: Morten Amundsen, Vladimir Juričić, Jabir Ali Ouassou

Comments: 5 pages, 3 figures. The following article has been submitted to Applied Physics Letters. After it is published, it will be found at this https URL

Subjects: Superconductivity (cond-mat.supr-con); Mesoscale and Nanoscale Physics (cond-mat.mes-hall)

[5]  arXiv:2404.02549 [pdf, ps, other]

Title: Two-line Josephson traveling wave parametric amplifier

Authors: Victor K. Kornev, Alena N. Nikolaeva, Nikolay V. Kolotinskiy

Comments: 6 pages, 6 figures

Subjects: Superconductivity (cond-mat.supr-con); Applied Physics (physics.app-ph)

[6]  arXiv:2404.02633 [pdf, other]

Title: Spin caloritronics as a probe of nonunitary superconductors

Authors: Taiki Matsushita, Takeshi Mizushima, Yusuke Masaki, Satoshi Fujimoto, Ilya Vekhter

Comments: 13 pages, 7 figures

Subjects: Superconductivity (cond-mat.supr-con); Materials Science (cond-mat.mtrl-sci); Strongly Correlated Electrons (cond-mat.str-el)

[7]  arXiv:2404.02748 [pdf, other]

Title: Tuning superconductivity in nanosecond laser annealed boron doped $Si_{1-x}Ge_{x}$ epilayers

Authors: S. Nath, I. Turan, L. Desvignes, L. Largeau, O. Mauguin, M. Túnica, M. Amato, C. Renard, G. Hallais, D. Débarre, F. Chiodi

Subjects: Superconductivity (cond-mat.supr-con); Materials Science (cond-mat.mtrl-sci)

[8]  arXiv:2404.02914 [pdf, other]

Title: Quantum many-body scars with unconventional superconducting pairing symmetries via multi-body interactions

Authors: Shohei Imai, Naoto Tsuji

Comments: 17 pages, 12 figures

Subjects: Superconductivity (cond-mat.supr-con); Statistical Mechanics (cond-mat.stat-mech); Strongly Correlated Electrons (cond-mat.str-el)

[9]  arXiv:2404.02916 [pdf, other]

Title: A review: The Gor'kov-Teitel'baum thermal activation model for cuprates

Authors: Navinder Singh

Comments: 6 pages and 3 figures

Subjects: Superconductivity (cond-mat.supr-con); Strongly Correlated Electrons (cond-mat.str-el)

[10]  arXiv:2404.02918 [pdf, ps, other]

Title: Comment on "Towards exact solutions for the superconducting $T_c$ induced by electron-phonon interaction"

Authors: Grgur Palle

Comments: comment on Phys. Rev. B 103, 094501 (2021), arXiv:1911.05528 ; 2 pages, 0 figures

Subjects: Superconductivity (cond-mat.supr-con)

[11]  arXiv:2404.03020 [pdf, other]

Title: Probing electron quadrupling order through ultrasound

Authors: Chris Halcrow, Ilya Shipulin, Federico Caglieris, Yongwei Li, Kunihiro Kihou, Chul-Ho Lee, Hans-Henning Klauss, Sergei Zherlitsyn, Vadim Grinenko, Egor Babaev

Comments: 11 pages, 6 figures

Subjects: Superconductivity (cond-mat.supr-con); Strongly Correlated Electrons (cond-mat.str-el); Quantum Physics (quant-ph)

[12]  arXiv:2404.03461 [pdf, ps, other]

Title: From orbital to paramagnetic pair breaking in layered superconductor 2H-NbS$_2$

Authors: Davide Pizzirani, Thom Ottenbros, Maró van Rijssel, Oleksandr Zheliuk, Yulia Kreminska, Malte Rösner, Jasper Linnartz, Anne de Visser, Nigel Hussey, Jianting Ye, Steffen Wiedmann, Maarten van Delft

Comments: 17 pages, 3 figures

Subjects: Superconductivity (cond-mat.supr-con); Mesoscale and Nanoscale Physics (cond-mat.mes-hall)

[13]  arXiv:2404.03638 [pdf, other]

Title: Cooperation between electron-phonon coupling and electronic interaction in bilayer nickelates La$_3$Ni$_2$O$_7$

Authors: Jun Zhan, Yuhao Gu, Xianxin Wu, Jiangping Hu

Comments: 6 pages, 4 figures

Subjects: Superconductivity (cond-mat.supr-con); Strongly Correlated Electrons (cond-mat.str-el)

[14]  arXiv:2404.03846 [pdf, other]

Title: Spin fluctuations in the ultranodal superconducting state of Fe(Se,S)

Authors: Yifu Cao, Chandan Setty, Andreas Kreisel, Laura Fanfarillo, P.J. Hirschfeld

Comments: 8 pages, 2 figures

Subjects: Superconductivity (cond-mat.supr-con)

[15]  arXiv:2404.04154 [pdf, other]

Title: The polarisation fluctuation length scale shaping the superconducting dome of SrTiO$_3$

Authors: Benoît Fauqué, Shan Jiang, Tom Fennell, Bertrand Roessli, Alexandre Ivanov, Celine Roux-Byl, Benoît Baptiste, Philippe Bourges, Kamran Behnia, Yasuhide Tomioka

Comments: SM on request

Subjects: Superconductivity (cond-mat.supr-con); Strongly Correlated Electrons (cond-mat.str-el)

[16]  arXiv:2404.04329 [pdf, other]

Title: Optical absorption signatures of superconductors driven by Van Hove singularities

Authors: Hyeok-Jun Yang, Yi-Ting Hsu

Comments: 17 pages, 6 figures

Subjects: Superconductivity (cond-mat.supr-con); Strongly Correlated Electrons (cond-mat.str-el)

[17]  arXiv:2404.04701 [pdf, other]

Title: Flat-Band Enhanced Antiferromagnetic Fluctuations and Unconventional Superconductivity in Pressurized CsCr$_3$Sb$_5$

Authors: Siqi Wu, Chenchao Xu, Xiaoqun Wang, Hai-Qing Lin, Chao Cao, Guang-Han Cao

Subjects: Superconductivity (cond-mat.supr-con)

[18]  arXiv:2404.05382 [pdf, other]

Title: Vortex matching at 6 T in YBa$_2$Cu$_3$O$_{7-δ}$ thin films by imprinting a 20 nm-periodic pinning array with a focused helium ion beam

Authors: Max Karrer, Bernd Aichner, Katja Wurster, César Magén, Christoph Schmid, Robin Hutt, Barbora Budinská, Oleksandr V. Dobrovolskiy, Reinhold Kleiner, Wolfgang Lang, Edward Goldobin, Dieter Koelle

Comments: 12 pages, 7 figures

Subjects: Superconductivity (cond-mat.supr-con); Materials Science (cond-mat.mtrl-sci)

[19]  arXiv:2404.05521 [pdf, other]

Title: Double loop dc-SQUID as a tunable Josephson diode

Authors: A. Greco, Q. Pichard, E. Strambini, F. Giazotto

Subjects: Superconductivity (cond-mat.supr-con); Mesoscale and Nanoscale Physics (cond-mat.mes-hall)

[20]  arXiv:2404.05798 [pdf, ps, other]

Title: Electrical control of superconducting spin valves using ferromagnetic helices

Authors: Tancredi Salamone, Henning G. Hugdal, Morten Amundsen, Sol H. Jacobsen

Subjects: Superconductivity (cond-mat.supr-con)

[21]  arXiv:2404.05890 [pdf, other]

Title: Current dependence of the low bias resistance of small capacitance Josephson junctions

Authors: Venkat Chandrasekhar

Journal-ref: Physics Letters A, 129493 (2024)

Subjects: Superconductivity (cond-mat.supr-con); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Quantum Physics (quant-ph)

[22]  arXiv:2404.06146 [pdf, ps, other]

Title: Copper doping effects on the superconducting properties of Sm-based oxypnictides

Authors: Mohammad Azam, Manasa Manasa, Tatiana Zajarniuk, Taras Palasyuk, Ryszard Diduszko, Tomasz Cetner, Andrzej Morawski, Cezariusz Jastrzebski, Michał Wierzbicki, Andrzej Wiśniewski, Shiv J. Singh

Comments: 40 pages, 16 Figures

Subjects: Superconductivity (cond-mat.supr-con); Materials Science (cond-mat.mtrl-sci); Strongly Correlated Electrons (cond-mat.str-el); Applied Physics (physics.app-ph)

[23]  arXiv:2404.06147 [pdf, other]

Title: Probing the Berezinskii-Kosterlitz-Thouless vortex unbinding transition in two-dimensional superconductors using local noise magnetometry

Authors: Jonathan B. Curtis, Nikola Maksimovic, Nicholas R. Poniatowski, Amir Yacoby, Bertrand Halperin, Prineha Narang, Eugene Demler

Comments: 15 pages, 12 figures + 6 pages , 2 figures supplemental

Subjects: Superconductivity (cond-mat.supr-con)

[24]  arXiv:2404.06262 [pdf, ps, other]

Title: A Constant self-consistent scattering lifetime in superconducting Strontium Ruthenate

Authors: Pedro L. Contreras E

Comments: 12 pages, 4 figures, 4 tables, 67 references

Subjects: Superconductivity (cond-mat.supr-con); Disordered Systems and Neural Networks (cond-mat.dis-nn); Statistical Mechanics (cond-mat.stat-mech)

[25]  arXiv:2404.07423 [pdf, other]

Title: Fermi sea and sky in the Bogoliubov-de Gennes equation

Authors: Xian-Peng Zhang, Yugui Yao

Comments: 28 page, 6 figures

Subjects: Superconductivity (cond-mat.supr-con)