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- Julia S. Meyer, Konstantin A. Matveev, Anatoli Larkin
- Physical review letters
- 2007

Upon increasing the electron density in a quantum wire, the one-dimensional electron system undergoes a transition to a quasi-one-dimensional state. In the absence of interactions between electrons, this corresponds to filling up the second subband of transverse quantization, and there are two gapless excitation modes above the transition. On the other… (More)

- Konstantin A. Matveev, Anatoli Larkin, Leonid I . Glazman
- Physical review letters
- 2002

The superconductivity in very thin rings is suppressed by quantum phase slips. As a result, the amplitude of the persistent current oscillations with flux becomes exponentially small, and their shape changes from sawtooth to a sinusoidal one. We reduce the problem of low-energy properties of a superconducting nanoring to that of a quantum particle in a… (More)

- Mikhail Feigel'man, Anatoli Larkin, Mikhail A Skvortsov
- Physical review letters
- 2001

A theory of the zero-temperature superconductor-metal transition is developed for an array of superconductive islands (of size d) coupled via a disordered two-dimensional conductor with the dimensionless conductance g = Planck's over 2 pi/e(2)R(square)>>1. At T = 0 the macroscopically superconductive state of the array with lattice spacing b>>d is destroyed… (More)

- E. Brézin, Anatoli Larkin
- 1999

In the core of the vortex of a superconductor, energy levels appear inside the gap. We discuss here through a random matrix approach how these levels are broadened by impurities. It is first shown that the level statistics is governed by an ensemble consisting of a symplectic random potential added to a nonrandom matrix. A generalization of previous work on… (More)

- Gianni Blatter, Mikhail Feigel’man, Vadim B. Geshkenbein, Anatoli Larkin, Anne van Otterlo
- 2008

In a type II superconductor the gap variation in the core of a vortex line induces a local charge modulation. Accounting for metallic screening, we determine the line charge of individual vortices and calculate the electric field distribution in the half space above a field penetrated superconductor. The resulting field is that of an atomic size dipole d ∼… (More)

- Oded Agam, Igor L. Aleiner, Anatoli Larkin
- Physical review letters
- 2000

This paper is devoted to study of the classical-to-quantum crossover of the shot noise in chaotic systems. This crossover is determined by the ratio of the particle dwell time in the system, tau(d), to the characteristic time for diffraction t(E) approximately lambda(-1)|lnh, where lambda is the Lyapunov exponent. The shot noise vanishes when t(E)>>tau(d),… (More)

We consider the effect of the Ruderman-Kittel-Kasuya-Yosida~RKKY! interaction between magnetic impurities on the electron relaxation rates in a normal metal. The interplay between the RKKY interaction and the Kondo effect may result in a nonmonotonic temperature dependence of the electron momentum relaxation rate, which determines the Drude conductivity.… (More)

We investigate the crossover from the semiclassical to the quantum description of electron energy states in a chaotic metal grain connected to a superconductor. We consider the influence of scattering-off point impurities ~quantum disorder! and of quantum diffraction ~quantum chaos! on the electron density of states. We show that both the quantum disorder… (More)

There exist a wide temperature region (GiT < T − Tc < T √ Gi), where the influence of fluctuations on the thermodynamic properties of superconductors can be taken into account in the linear (Gaussian) approximation, while their influence on the kinetic properties is strongly nonlinear. Maki-Thompson cotribution to conductivity saturates in this region.… (More)