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Anomalous Thickness Dependence of the Vortex Pearl Length in Few-Layer NbSe2
Nofar Fridman, Tomer Daniel Feld, Avia Noah +16
The coexistence of multiple types of orders is a common thread in condensed matter physics and unconventional superconductors. The nature of superconducting orders may be unveiled…
Coulomb interaction and first order superconductor-insulator transition
S. V. Syzranov, I. L. Aleiner, B. L. Altshuler +1
The superconductor-insulator transition (SIT) in regular arrays of Josephson junctions is studied at low temperatures. Near the transition a Ginzburg-Landau type action containing…
Bound State of Ultracold Fermions in the Spin Imbalanced Normal State
F. Fumarola, I. L. Aleiner, B. L. Altshuler
We study a polarized Fermi gas and demonstrate that Fano-Feshbach (FF) resonances lead to the pairing of fermions and holes into long living massive bosonic modes (bifermions and b…
Negative Echo in the Density Evolution of Ultracold Fermionic Gases
F. Fumarola, Y. Ahmadian, I. L. Aleiner +1
We predict a nonequilibrium critical phenomenon in the space-time density evolution of a fermionic gas above the temperature of transition into the superfluid phase. On the BCS sid…
Phase Fluctuations and Non-Equilibrium Josephson Effect
B. N. Narozhny, I. L. Aleiner
We consider a diffusive S-N-S junction with electrons in the normal layer driven out of equilibrium by external bias. We show that, the non-equilibrium fluctuations of the electron…
Theory of Tunneling Anomaly in Superconductor above Paramagnetic Limit
Hae-Young Kee, I. L. Aleiner, B. L. Altshuler
We study the tunneling density of states (DoS) in the superconducting systems driven by Zeeman splitting into the paramagnetic phase. We show that, even though the BCS gap di…
Tunneling Anomaly in Superconductor above Paramagnetic Limit
I. L. Aleiner, B. L. Altshuler
We study the tunneling density of states (DoS) in the superconducting systems driven by Zeeman splitting E_Z into the paramagnetic phase. We show that, even though the BCS gap disa…