Observation of superconductivity in structure-selected Ti2O3 thin films

Y Li, Y Weng, J Zhang, J Ding, Y Zhu, Q Wang… - NPG Asia …, 2018 - nature.com
The search for new superconductors capable of carrying loss-free current has been a
research theme in condensed matter physics for the past decade. Among superconducting …

Incommensurate antiferromagnetism coexisting with superconductivity in two-dimensional d–p model

T Yanagisawa, M Miyazaki, K Yamaji - Journal of the Physical …, 2008 - journals.jps.jp
Numerical studies of the two-dimensional d–p model using the Gutzwiller ansatz have
exhibited the incommensurate antiferromagnetic state coexisting with superconductivity in …

Experimental Observation of a Possible First-Order Phase Transition below the Superconducting Transition Temperature in the Multilayer Cuprate Superconductor …

Y Tanaka, A Iyo, S Itoh, K Tokiwa, T Nishio… - Journal of the Physical …, 2014 - journals.jps.jp
A hysteretic specific heat jump at approximately 41 K is found experimentally in the
multilayer cuprate superconductor HgBa2Ca4Cu5O y (Hg-1245), with a superconducting …

Magnetically coupled pancake vortex molecules in

A Crisan, A Iyo, Y Tanaka, H Matsuhata… - Physical Review B …, 2008 - APS
As recently shown, HgBa 2 Ca n− 1 Cu n O y (n≥ 6) cuprate superconductors have a critical
temperature of about 100 K independent of n. This remarkable property can be explained by …

Unlocking interband phase difference in multiband superconductors

Y Tanaka, T Yanagisawa, T Nishio - Physica C: Superconductivity, 2013 - Elsevier
Chiral fluctuation in frustrated superconductivity unlocks the interband phase difference at
the superconducting transition temperature calculated by the standard Bardeen–Cooper …

Interplay between antiferromagnetism and superconductivity in the Hubbard model with frustration

K Kobayashi, H Yokoyama - Physica C: Superconductivity, 2009 - Elsevier
Coexistence of and competition between antiferromagnetism (AF) and d-wave
superconductivity (SC) are studied for a Hubbard model on the square lattice with a …

Phase diagram of a lattice of vortex molecules in multicomponent superconductors and multilayer cuprate superconductors

Y Tanaka, DD Shivagan, A Crisan, A Iyo… - Superconductor …, 2008 - iopscience.iop.org
The Abrikosov lattice in the multilayer cuprate superconductor CuBa 2 Ca 3 Cu 3 O y (Cu-
1223) has been experimentally and theoretically demonstrated to be composed of vortex …

Coexistence of bulk superconducting and antiferromagnetic order in the spin-ladder system

S Vanishri, D Braithwaite, B Salce, C Marin… - Physical Review B …, 2010 - APS
Combined ac-susceptibility and ac-calorimetry measurements under hydrostatic pressure on
new single crystals of the spin-ladder system Sr 14− x Ca x Cu 24 O 41 (x= 12) in good …

Superconductivity from strong correlation in high-temperature superconductors

T Yanagisawa, M Miyazaki, K Yamaji - Journal of Superconductivity and …, 2016 - Springer
We investigate the two-dimensional Hubbard model as a model for cuprate high-
temperature superconductors. The Coulomb interaction is a candidate that can bring about …

Exotic Vortex Matter: Pancake Vortex Molecules and Fractional-Flux Molecules in Some Exotic and/or Two-Component Superconductors

A Crisan, Y Tanaka, A Iyo - Journal of superconductivity and novel …, 2011 - Springer
The discovery of superconductivity in MgB 2 and, more recently, in iron pnictides, revived the
interest in two-component and other exotic superconductors, including in the field of vortex …