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10 papers · 1 filter
Impurity Induced Polar Kerr Effect in A Chiral p-wave Superconductor
Jun Goryo
We discuss the polar Kerr effect (PKE) in a chiral p-wave (p_x+i p_y-wave) superconductor. It is found that the off-diagonal component of a current-current correlation function is…
Time-reversal symmetry breaking surface states of d-wave superconductors induced by an additional order parameter with negative T_c
Takeshi Tomizawa, Kazuhiro Kuboki
Surface states of d_{x^2-y^2}-wave superconductors are studied using the Ginzburg-Landau (GL) theory. For a [110] surface it has been known that the time-reversal symmetry (T) brea…
Field-induced quantum critical route to a Fermi liquid in high-temperature superconductors
T. Shibauchi, L. Krusin-Elbaum, M. Hasegawa +3
In high transition temperature (T_c) superconductivity, charge doping is a natural tuning parameter that takes copper oxides from the antiferromagnet to the superconducting region.…
Controlled vaporization of the superconducting condensate in cuprate superconductors sheds light on the pairing boson
P. Kusar, V. V. Kabanov, S. Sugai +3
We use ultrashort intense laser pulses to study superconducting state vaporization dynamics in La(2-x)Sr(x)CuO4 (x=0.1 and 0.15) on the femtosecond timescale. We find that the ener…
Unconventional pairing originating from disconnected Fermi surfaces in superconducting LaFeAsOF}
Kazuhiko Kuroki, Seiichiro Onari, Ryotaro Arita +4
For a newly discovered iron-based high superconductor LaFeAsOF, we have constructed a minimal model, where inclusion of all the five Fe bands is found to be n…
Quantum transport in a normal metal/odd-frequency superconductor junction
Jacob Linder, Takehito Yokoyama, Yukio Tanaka +2
Recent experimental results indicate the possible realization of a bulk odd-frequency superconducting state in the compounds CeCuSi, and CeRhIn. Motivated by this, we p…