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- University of Duisburg-EssenDE6 papers
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6 papers · 1 filter
Theory of the microwave-induced photocurrent and photovoltage magnetooscillations in a spatially non-uniform 2D electron gas
I. A. Dmitriev, S. I. Dorozhkin, A. D. Mirlin
Recent experiment [S.I. Dorozhkin et al., Phys. Rev. Lett. 102, 036602 (2009)] on quantum Hall structures with strongly asymmetric contact configuration discovered microwave-induce…
Structure stability in the simple element sodium under pressure
V F Degtyareva, O Degtyareva
The simple alkali metal Na, that crystallizes in a body-centred cubic structure at ambient pressure, exhibits a wealth of complex phases at extreme conditions as found by experimen…
Spin susceptibility and polarization field in a dilute two-dimensional electron system in (111) silicon
A. A. Kapustin, A. A. Shashkin, V. T. Dolgopolov +3
We find that the polarization field, B_chi, obtained by scaling the weak-parallel-field magnetoresistance at different electron densities in a dilute two-dimensional electron syste…
Quasi-Adiabatic Decay of Capillary Turbulence on the Charged Surface of Liquid Hydrogen
G. V. Kolmakov, A. A. Levchenko, M. Yu. Brazhnikov +3
We study the free decay of capillary turbulence on the charged surface of liquid hydrogen. We find that decay begins from the high frequency end of the spectral range, while most o…
Formation of a Direct Kolmogorov-like Cascade of Second Sound Waves in He II
G. V. Kolmakov, V. B. Efimov, A. N. Ganshin +2
Based on measurements of nonlinear second sound resonances in a high-quality resonator, we have observed a steady-state wave energy cascade in He II involving a flux of energy thro…
Observation of an Inverse Energy Cascade in Developed Acoustic Turbulence in Superfluid Helium
A. N. Ganshin, V. B. Efimov, G. V. Kolmakov +2
We report observation of an inverse energy cascade in second sound acoustic turbulence in He II. Its onset occurs above a critical driving energy and it is accompanied by giant wav…