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Dynamical spin structure factor of one-dimensional interacting fermions
Vladimir A. Zyuzin, Dmitrii L. Maslov
We revisit the dynamic spin susceptibility, , of one-dimensional interacting fermions. To second order in the interaction, backscattering results in a logarithmic correctio…
Collective modes in two- and three-dimensional electron systems with Rashba spin-orbit coupling
Saurabh Maiti, Vladimir Zyuzin, Dmitrii L. Maslov
In addition to charge plasmons, a 2D electron system with Rashba-type spin-orbit coupling (SOC) also supports three collective modes in the spin sector: the chiral-spin modes. We s…
Zero-energy bound state at the interface between an -wave superconductor and a disordered normal metal with repulsive electron-electron interactions
Christopher R. Reeg, Dmitrii L. Maslov
In recent years, there has been a renewed interest in the proximity effect due to its role in the realization of topological superconductivity. Here, we study a superconductor--nor…
Optical conductivity of a two-dimensional metal at the onset of spin-density-wave order
Andrey V. Chubukov, Dmitrii L. Maslov, Vladimir I. Yudson
We consider the optical conductivity of a clean two-dimensional metal near a quantum spin-density-wave transition. Critical magnetic fluctuations are known to destroy fermionic coh…