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43 papers · 1 filter
Realistic Electron-Electron Interaction in a Quantum Wire
K. Byczuk, T. Dietl
The form of an effective electron-electron interaction in a quantum wire with a large static dielectric constant is determined and the resulting properties of the electron liquid i…
The 1/N-expansion, quantum-classical correspondence and nonclassical states generation in dissipative higher-order anharmonic oscillators
Kirill N. Alekseev, Jan Perina
We develop a method for the determination of thecdynamics of dissipative quantum systems in the limit of large number of quanta N, based on the 1/N-expansion of Heidmann et al. [ O…
Classical and Quantum Fields in Curved Spacetime: Canonical Theory versus Conventional Construction
Vladimir S. Mashkevich
We argue that the conventional construction for quantum fields in curved spacetime has a grave drawback: It involves an uncountable set of physical field systems which are nonequiv…
Phonon-assisted tunneling in asymmetric resonant tunneling structures
Jun-jie Shi, Barry C. Sanders, Shao-hua Pan
Based on the dielectric continuum model, we calculated the phonon assisted tunneling (PAT) current of general double barrier resonant tunneling structures (DBRTSs) including both s…
Asymmetric double barrier resonant tunneling structures with improved characteristics
Jun-jie Shi, Barry C. Sanders, Shao-hua Pan
We present a self-consistent calculation, based on the global coherent tunnelling model, and show that structural asymmetry of double barrier resonant tunnelling structures signifi…
Random-phase Approximation Treatment Of Edge Magnetoplasmons: Edge-state Screening And Nonlocality
O. G. Balev, P. Vasilopoulos
A random-phase approximation (RPA) treatment of edge magnetoplasmons (EMP) is presented for strong magnetic fields, low temperatures, and integer filling factors ν. It is valid for…