270 citations
- Moscow Institute of Physics and TechnologyRU51 papers
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18 papers · 1 filter
Holographic model of exciton condensation in double monolayer Dirac semimetal
A. Pikalov
In this paper we consider holographic model of exciton condensation in double monolayer Dirac semimetal. Excitons is a bound states of an electron and a hole. Being Bose particles,…
Quantum entanglement, local indicators and effect of external fields in the Kugel-Khomskii model
V. E. Valiulin, A. V. Mikheyenkov, N. M. Chtchelkatchev +1
Using the exact diagonalization technique, we determine the energy spectrum and wave functions for finite chains described by the two-spin (Kugel--Khomskii) model with different ty…
Nonexponential photoluminescence dynamics in an inhomogeneous ensemble of excitons in WSe monolayers
M. A. Akmaev, M. V. Kochiev, A. I. Duleba +3
The spectral and spatiotemporal dynamics of photoluminescence in monolayers of transition metal dichalcogenide WSe obtained by mechanical exfoliation on a Si/SiO substrate…
Electrically tunable detector of THz-frequency signals based on an antiferromagnet
A. Safin, V. Puliafito, M. Carpentieri +6
A concept of an electrically tunable resonance detector of THz-frequency signals based on antiferromagnetic/heavy metal (AFM/HM) hetero-structure is proposed. The conversion of a T…
Quantum phase transition of a two-dimensional quadrupolar system
G. E. Astrakharchik, I. L. Kurbakov, D. V. Sychev +2
Ensembles with long-range interactions between particles are promising for revealing strong quantum collective effects and many-body phenomena. Here we study the ground-state phase…
A tunable magneto-acoustic oscillator with low phase noise
A. Litvinenko, R. Khymyn, V. Tyberkevych +3
A frequency-tunable low phase noise magneto-acoustic resonator is developed on the base of a parallel-plate straight-edge bilayer consisting of a yttrium-iron garnet (YIG) layer gr…