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Gershenzon EM, Orlova SL, Orlov LA, Ptitsina NG, Rabinovich RI. Intervalley cyclotron-impurity resonance of electrons in n-Ge. JETP Lett. 1976;24(3):125–8.
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Gershenzon E, Gershenzon ME, Gol'tsman GN, Semenov AD, Sergeev AV. Heating of quasiparticles in a superconducting film in the resistive state. JETP Lett. 1981;34(5):268–71.
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Gershenzon EM, Gol'tsman GN, Ptitsyna NG. Carrier lifetime in excited states of shallow impurities in germanium. JETP Lett. 1977;25(12):539–43.
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Gol'tsman GN, Gusinskii EN, Malyavkin AV, Ptitsina NG, Selevko AG, Edel'shtein VM. The excitonic Zeeman effect in uniaxially-strained germanium. Sov Phys JETP. 1987;65(6):1233–41.
Abstract: We have carried out a high-resolution spectroscopic study of the absorption of submillimeter radiation by free excitons in germanium compressed along the [ 1 11 ] axis in a magnetic field parallel to the compression axis. In particular, we studied the splitting of the 1s- 2p transition in fields up to 6 kOe at T = 1.6 K, and observed a complex pattern in the Zeeman splitting which we believe is related to the effect of thermal motion of the excitons in a magnetic field on their internal structure (the magneto-Stark effect). The calculated submillimeter spectrum of excitons agrees with the experimental data. We predict that in a magnetic field the energy of the 2p, term is a minimum at a finite value of the exciton momentum perpendicular to the field-that is, the energy minimum forms a ring in momentum space. It follows that the density of states for this term must be a nonmonotonic function of the energy. A theory is developed of analogous phenomena in positronium.
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Gol’tsman GN, Smirnov KV. Electron-phonon interaction in a two-dimensional electron gas of semiconductor heterostructures at low temperatures. Jetp Lett. 2001;74(9):474–9.
Abstract: Theoretical and experimental works devoted to studying electron-phonon interaction in the two-dimensional electron gas of semiconductor heterostructures at low temperatures in the case of strong heating in an electric field under quasi-equilibrium conditions and in a quantizing magnetic field perpendicular to the 2D layer are considered.
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